Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. NPDES Permits Around the Nation

Administrative Record for the Draft CII GP

If you cannot read, speak, write or understand the English language and require assistance accessing the documents on this page, please email R1.RDA@epa.gov to request interpretation or translation services of these documents free of charge.
Administrative Record for the Draft CII (Commercial, Industrial, and Institutional) GP Documents
Document TypeA.R. Index No.Document Name
A. Final Permit DocumentsA.1 
B. Draft Permit DocumentsB.1Public Notice, NPDES Permit No. MAG8600000. October 31, 2024 (pdf) (198 KB)
B. Draft Permit DocumentsB.2Draft NPDES Permit No. MAG8600000. October 31, 2024 (pdf) (577 KB)
B. Draft Permit DocumentsB.3Appendix A - Definitions, Abbreviations, and Acronyms (pdf) (146 KB)
B. Draft Permit DocumentsB.4Appendix B - Standard Permit Conditions Applicable to All Authorized Discharges (pdf) (173 KB)
B. Draft Permit DocumentsB.5Appendix C - Endangered Species Act (pdf) (556 KB)
B. Draft Permit DocumentsB.6Appendix D - National Historic Preservation Act Eligibility Guidance (pdf) (209 KB)
B. Draft Permit DocumentsB.7Appendix E - Determining Impervious Cover Acreage (pdf) (205 KB)
B. Draft Permit DocumentsB.8Appendix F - Phosphorus Reduction Credits for Selected Non-Structural and Structural Stormwater Control Measures ("SCMs") (pdf) (1.8 MB)
B. Draft Permit DocumentsB.9Appendix G - Notices of Intent ("NOI"), Change ("CNOI"), and Termination ("NOT") (pdf) (214 KB)
B. Draft Permit DocumentsB.10Appendix H - Massachusetts Tax Assessor's Use Code for CII Land Uses (pdf) (232 KB)
B. Draft Permit DocumentsB.11Appendix I - Operations and Maintenance Requirements (pdf) (176 KB)
B. Draft Permit DocumentsB.12Appendix J - Methodology for Determining Site-Specific Pollutant Calculation (pdf) (303 KB)
B. Draft Permit DocumentsB.13Appendix K - Reporting Requirements for Annual Reports (pdf) (100 KB)
B. Draft Permit DocumentsB.14Fact Sheet (pdf) (828 KB)
C. Petitions and Preliminary Designation DocumentsC.1Clean Water Act Residual Designation Determination for Certain Stormwater Discharges in the Charles, Mystic, and Neponset River Watershed in Massachusetts, EPA, 2022 (pdf) (7 MB)
C. Petitions and Preliminary Designation DocumentsC.2Petition for a Determination that Certain Commercial, Industrial, Institutional, and Multi‐Family Residential Property Dischargers Contribute to Water Quality Standards Violations in the Charles River Watershed, Massachusetts, and that NPDES Permitting of Such Properties is Required (pdf) (5.9 MB)
C. Petitions and Preliminary Designation DocumentsC.3Petition for a Determination that Certain Commercial, Industrial, Institutional, and Multi‐Family Residential Property Dischargers Contribute to Water Quality Standards Violations in the Mystic River Watershed, Massachusetts, and that NPDES Permitting of Such Properties is Required (pdf) (335 KB)
C. Petitions and Preliminary Designation DocumentsC.4Petition for a Determination that Certain Commercial, Industrial, Institutional, and Multi-Family Residential Property Dischargers Contribute to Water Quality Standards Violations in the Neponset River Watershed, Massachusetts, and that NPDES Permitting of Such Properties is Required. (pdf) (295 KB)
D. ESA/EFHD.1Determination for Long Eared Bat. Project code: 2024-0130453 Project Name: Draft General Permit for Private Commercial, Industrial and Institutional Stormwater Discharges. August 14, 2024. (pdf) (243 KB)
D. ESA/EFHD.2Determination for Piping Plover. Project code: 2024-0130453 Project Name: Draft General Permit for Private Commercial, Industrial and Institutional Stormwater Discharges. August 14, 2024. (pdf) (322 KB)
D. ESA/EFHD.3List of threatened and endangered species that may occur in Project Code: 2024-0130453 Project Name: Draft General Permit for Private Commercial, Industrial and Institutional Stormwater Discharges. August 14, 2024. (pdf) (268 KB)
D. ESA/EFHD.4Supplemental Basis Information to Support the CII GP, Endangered Species Protection – USFWS Tricolored Bat. August 14. 2024 (pdf) (83 KB)
D. ESA/EFHD.5Final Omnibus Essential Fish Habitat Amendment 2 Volume 2: Table 31: Section 2.2.8, Table 31, pp 179-181. Updated December 8, 2016.
D. ESA/EFHD.6ESA Mapper
D. ESA/EFHD.7NOAA Fisheries EFH Mapper
E. CorrespondenceE.1EMAIL. Matt Shuman, Town of Winchester to R1.RDA. March 18, 2024. Subject: Comments. (pdf) (138 KB)
F. 303(d), 305(b), TMDL-Related MaterialsF.1MassDEP, 2021, Final Massachusetts Integrated List of Waters for the Clean Water Act, 2022 Reporting Cycle
F. 303(d), 305(b), TMDL-Related MaterialsF.2Massachusetts Department of Environmental Protection. (2011). Total Maximum Daily Load for Nutrients in the Upper/Middle Charles River Basin, Massachusetts. (pdf) (111 KB)
F. 303(d), 305(b), TMDL-Related MaterialsF.3Final Phosphorus TMDL Report for the Lower Charles River Basin. June 2007. (pdf) (1.8 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.4Mystic River Watershed Alternative TMDL Development for Phosphorus Management - Final Report. January 2020 (pdf) (6 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.5Massachusetts Department of Environmental Protection. (2012). Addendum: Final Total Maximum Daily Loads of Bacteria for Neponset River Basin. (pdf) (824 KB)
F. 303(d), 305(b), TMDL-Related MaterialsF.6Massachusetts Department of Environmental Protection. (2000). Charles River Watershed 1997/1998 Water Quality Assessment Report. (pdf) (723 KB)
F. 303(d), 305(b), TMDL-Related MaterialsF.7Massachusetts Department of Environmental Protection. (1995). The Neponset River Watershed 1994 Resource Assessment Report. (pdf) (12.6 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.8Massachusetts Department of Environmental Protection. Neponset River Watershed 2004 Water Quality Assessment Report. (pdf) (1 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.9Neponset River Estuary ACEC Water Quality and Restoration Action Plan (Neponset River Watershed Association, 2014) (pdf) (2.8 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.10Massachusetts Department of Environmental Protection. (2002). Total Maximum Daily Loads of Bacteria for Neponset River Basin. (pdf) (1.7 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.11Massachusetts Department of Environmental Protection. (2004). Boston Harbor 2004 Assessment Report. (pdf) (4.4 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.12Massachusetts Department of Environmental Protection. (2006). Mystic River Watershed Assessment and Action Plan. (pdf) (6.5 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.13Massachusetts Department of Environmental Protection. (2007a). Final Pathogen TMDL for the Charles River Watershed. (pdf) (3.7 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.14Massachusetts Department of Environmental Protection. (2010a). Mystic River Watershed and Coastal Drainage Area 2004 -2008 Water Quality Assessment Report. (pdf) (2.4 MB)
F. 303(d), 305(b), TMDL-Related MaterialsF.15USEPA. (2022d, August). Mystic River Watershed Report Cards.
F. 303(d), 305(b), TMDL-Related MaterialsF.16Neponset River Watershed Report Cards
F. 303(d), 305(b), TMDL-Related MaterialsF.17Charles River Watershed Report Cards
F. 303(d), 305(b), TMDL-Related MaterialsF.18Optimal Stormwater Management Plan Alternatives: A Demonstration Project in Three Upper Charles River Communities (pdf) (3.6 MB)
G. Other Technical and Scientific DocumentsG.12016 Massachusetts MS4 General Permit
G. Other Technical and Scientific DocumentsG.22014 Fact Sheet Massachusetts Small MS4 Attachment 1- Charles River Basin Nutrient (Phosphorus) TMDLs, Phosphorus Load Export Rates and BMP Performance (pdf) (1 MB)
G. Other Technical and Scientific DocumentsG.3Response to Comments on 2016 Massachusetts MS4 General Permit. (pdf) (5.2 MB)
G. Other Technical and Scientific DocumentsG.4Attachment 2 to 2016 MA Small MS4 Response to Comments, March 31, 2016 (pdf) (5.2 MB)
G. Other Technical and Scientific DocumentsG.5Watershed Analysis Of The Mystic River And Neponset River Watersheds Task 3A-B Technical Memo Mystic River Watershed Spatial Data And Mapping Analyses November 13, 2023 (pdf) (18.8 MB)
G. Other Technical and Scientific DocumentsG.6Watershed Analysis Of The Mystic River And Neponset River Watersheds Task 3C Technical Report Mystic River Watershed Property Parcel Analyses November 13, 2023 (pdf) (4.8 MB)
G. Other Technical and Scientific DocumentsG.7Watershed Analysis of the Mystic River and Neponset River Watersheds Technical Memo Neponset River Watershed Spatial Data and Mapping Analyses November 13, 2023 (pdf) (19.5 MB)
G. Other Technical and Scientific DocumentsG.8Watershed Analysis Of The Mystic River And Neponset River Watersheds Task 4C Technical Report Mystic River Watershed Property Parcel Analyses November 13, 2023 (pdf) (4.8 MB)
G. Other Technical and Scientific DocumentsG.9Charles River Watershed Analysis Task 3C Technical Report Charles River Watershed Property Parcel Analysis  October 1, 2024 (pdf) (3.5 MB)
G. Other Technical and Scientific DocumentsG.10Mystic All Parcels Summary Data, November 2023 (xlsx) (27.3 MB)
G. Other Technical and Scientific DocumentsG.11Neponset All Parcels Summary Data, November 2023 (xlsx) (18.8 MB)
G. Other Technical and Scientific DocumentsG.12Charles All Parcels Summary Data, September 30, 2024 (xlsx) (51.4 MB)
G. Other Technical and Scientific DocumentsG.13Task 3D Technical Report Charles River Watershed Environmental Justice Analysis. October 30, 2024 (pdf) (3.1 MB)
G. Other Technical and Scientific DocumentsG.14Task 3D Technical Report Mystic River Watershed Environmental Justice Analysis.  Noveber 23, 2023 (pdf) (8.2 MB)
G. Other Technical and Scientific DocumentsG.15Task 4D Technical Report Neponset River Watershed Environmental Justice Analysis.  November 23, 2023 (pdf) (9.6 MB)
G. Other Technical and Scientific DocumentsG.16Corsi, Steven R., et al. "River chloride trends in snow-affected urban watersheds: increasing concentrations outpace urban growth rate and are common among all seasons." Science of the Total Environment 508 (2015): 488-497. (pdf) (1.4 MB)
G. Other Technical and Scientific DocumentsG.17Moore, Richard B., Craig M. Johnston, Richard A. Smith, and Bryan Milstead, 2011. Source and Delivery of Nutrients to Receiving Waters in the Northeastern and Mid-Atlantic Regions of the United States. Journal of the American Water Resources Association (JAWRA) 47(5):965-990. DOI: 10.1111⁄j.1752-1688.2011.00582.x (pdf) (3.5 MB)
G. Other Technical and Scientific DocumentsG.18Corsi, Steven R., et al. "A fresh look at road salt: aquatic toxicity and water-quality impacts on local, regional, and national scales." Environmental science & technology 44.19 (2010): 7376-7382. (pdf) (1.9 MB)
G. Other Technical and Scientific DocumentsG.19Commonwealth of Massachusetts, "Implementation Procedures for the Antidegradation Provisions of the Massachusetts Surface Water Quality Standards, 314 CMR 4.00" (pdf) (72 KB)
G. Other Technical and Scientific DocumentsG.20Amélie Y. Davis, Bryan C. Pijanowski, Kimberly Robinson, Bernard Engel, The environmental and economic costs of sprawling parking lots in the United States, Land Use Policy, Volume 27, Issue 2, 2010, Pages 255-261 (pdf) (875 KB)
G. Other Technical and Scientific DocumentsG.21Booth, D.B., Forest cover, impervious surface area, and the mitigation of urbanization impacts in King County, 18 pp., 2000 (University of Washington, Department of Civil and Environmental Engineering internal paper: Washington) (pdf) (606 KB)
G. Other Technical and Scientific DocumentsG.22Carpenter, S. R., Caraco, N. F., Sharpley, A. N., Smith, V. H., Howarth, R. W., & Correll, D. L. (1998). Nonpoint pollution of surface waters with Phosphorus and nitrogen. Ecological Applications, 559-568. (pdf) (1.3 MB)
G. Other Technical and Scientific DocumentsG.23Center For Watershed Protection. (2003). Impacts of Impervious Cover on Aquatic Systems. Ellicott City, MD: Center For Watershed Protection. (pdf) (3.1 MB)
G. Other Technical and Scientific DocumentsG.24CH2M Hill. (2016). Stormwater Best Management Practices Recommendations Report. Prepared For Boston Water and Sewer Commission. (pdf) (245.3 MB)
G. Other Technical and Scientific DocumentsG.25Charles River Watershed Association. (2015). Cyanobacteria in the Charles River Lower Basin 2006-2014 Monitoring Report. (pdf) (2.9 MB)
G. Other Technical and Scientific DocumentsG.26Charles River Watershed Association. (2021). 2020 Annual Water Quality Report. (pdf) (4.3 MB)
G. Other Technical and Scientific DocumentsG.27Chen, J., Theller, L., Gitau, M. W., Engel, B. A., & Harbor, J. M. (2017). Urbanization Impacts on Surface Runoff of the Contiguous United States. Journal of Environmental Management, 187, 470-481. (pdf) (2 MB)
G. Other Technical and Scientific DocumentsG.28Driscoll, C. T., Whitall, D., Aber, J., Boyer, E., Castro, M., Cronan, C., Ollinger, S. (2003). Nitrogen Pollution in the Northeastern United States: Sources, Effects, and Management Options. BioScience, 357-374. (pdf) (1 MB)
G. Other Technical and Scientific DocumentsG.29Howarth, R., & Marino, R. (2006). Nitrogen as the limiting nutrient for eutrophication in coastal marine ecosystems: Evolving views over three decades. Limnology and Oceanography, 364-376. (pdf) (227 KB)
G. Other Technical and Scientific DocumentsG.30Jacobson, C. R. (2011). Identification and quantification of the hydrological impacts of imperviousness in urban catchments: a review. Journal of Environmental Management, 1438-1448. (pdf) (397 KB)
G. Other Technical and Scientific DocumentsG.31Jani, J., Jang, Y.-Y., Lusk, M., & Toor, G. (2020). Composition of nitrogen in urban residential stormwater runoff: Concentrations, loads, and source characterization of nitrate and organic nitrogen. PLoS ONE, e0229715. (pdf) (3.2 MB)
G. Other Technical and Scientific DocumentsG.32King, B. S., Maker, M. E., Kazyak, P. F., & Weller, D. E. (2011). How Novel is Too Novel? Stream Community Thresholds at Exceptionally Low Levels of Catchment Urbanization. Ecological Applications, 21, 1659-1678. (pdf) (770 KB)
G. Other Technical and Scientific DocumentsG.33Law, N., DiBlasi, K., Ghosh, U. 2008. Deriving Reliable Pollutant Removal Rates for Municipal Street Sweeping and Storm Drain Cleanout Programs in the Chesapeake Bay Basin. Center for Watershed Protection, Ellicott City, MD. Pages 1-73. (pdf) (1.1 MB)
G. Other Technical and Scientific DocumentsG.34Lin, J. P. (2004). Review of Published Export Coefficient and Event Mean Concentration (EMC) Data. Vicksburg, MS: U.S. Army Engineer Research and Development Center. (pdf) (1.1 MB)
G. Other Technical and Scientific DocumentsG.35Mallin, M. A., Johnson, V. L., & Ensign, S. H. (2009). Comparative impacts of Stormwater Runoff on Water Quality of an Urban, a Suburban, and a Rural Stream. Envirn Monit Assess, 159, 475-491. (pdf) (479 KB)
G. Other Technical and Scientific DocumentsG.36Massachusetts Department of Environmental Protection. (2009). Northeast Region Bacteria Source Tracking 2008 Results.
G. Other Technical and Scientific DocumentsG.37USGS. Effects of Lawn Fertilizer on Nutrient Concentration in Runoff from Lakeshore Lawns, Lauderdale Lakes, Wisconsin (pdf) (181 KB)
G. Other Technical and Scientific DocumentsG.38United States Environmental Protection Agency Preliminary Residual Designation Pursuant to Clean Water Act Region I - Long Creek 2008 (pdf) (714 KB)
G. Other Technical and Scientific DocumentsG.39Draft Permit. California Regional Water Quality Control Board Los Angeles Region.  Waste Discharge Requirements for Stormwater Discharges Associated with Commercial, Industrial, and Institutional Facilities in the Dominguez Channel/Inner and Outer Los Angeles and Long Beach Harbor Watershed and the Los Cerritos Channel/Alamitos Bay Watershed. 2024 (pdf) (2.2 MB)
G. Other Technical and Scientific DocumentsG.40National Pollutant Discharge Elimination System General Permit for Stormwater Discharges Associated with Commercial, Industrial, and Institutional Facilities In The Dominguez Channel/Inner and Outer Los Angeles and Long Beach Harbor Watershed and the Los Cerritos Channel/Alamitos Bay Watershed - Response to Comments (pdf) (1.6 MB)
G. Other Technical and Scientific DocumentsG.41Draft General Permit for Residually Designated Discharges in Milford, Bellingham, and Franklin, Massachusetts (pdf) (99 KB)
G. Other Technical and Scientific DocumentsG.42General permit for Post Construction Discharge of Stormwater in the Long Creek Watershed. Effective April 21, 2015. (pdf) (269 KB)
G. Other Technical and Scientific DocumentsG.43National Research Council. (2000). Clean Coastal Waters: Understanding and Reducing the Effects of Nutrient Pollution. Washington, D.C.: National Academies Press.
G. Other Technical and Scientific DocumentsG.44Roy, A. H., & Shuster, W. D. (2009). Assessing Impervious Surface Connectivity and Applications for Watershed Management. Journal of the American Water Resource Association, 45(1).
G. Other Technical and Scientific DocumentsG.45Schueler, T. (2011). Technical Bulletin No. 9: Nutrient Accounting Methods to Document Local Stormwater Load Reduction in the Chesapeake Bay Watershed. Chesapeake Stormwater Network.
G. Other Technical and Scientific DocumentsG.46Shaver, E., Horner, R., Skupien, J., May, C., & Ridley, G. (2007). Fundamentals of Urban Runoff Management: Technical and Institutional Issues. Madison, WI: North American Lake Management Society. (pdf) (6.5 MB)
G. Other Technical and Scientific DocumentsG.47US EPA. (1999). Results of the Nationwide Urban Runoff Program. Washington D.C.: US EPA (pdf) (2.2 MB)
G. Other Technical and Scientific DocumentsG.48Neponset River Watershed Association. (2017). Hotspot Monitoring 2017 Report. (pdf) (383 KB)
G. Other Technical and Scientific DocumentsG.49Pitt, R., Maestre, A., & Morquecho, R. (2004). The National Stormwater Quality Database (NSQD, Version 1.1). (pdf) (951 KB)
G. Other Technical and Scientific DocumentsG.50USEPA. (2005). A Hydrodynamic and Water Quality Model for the Lower Charles River Basin, Massachusetts. (pdf) (2 MB)
G. Other Technical and Scientific DocumentsG.51USEPA. (2016b). MEMORANDUM - Annual Average Phosphorus Load Export Rates (PLERs) for Use in Fulfilling Phosphorus Load Reduction Requirements in EPA Region 1 Stormwater Permits. (pdf) (667 KB)
G. Other Technical and Scientific DocumentsG.52USEPA. (2022a, August). Environmental Challenges for the Mystic River Watershed. Retrieved from
G. Other Technical and Scientific DocumentsG.53USEPA. (2022b, August). Live Water Quality Data for the Mystic River.
G. Other Technical and Scientific DocumentsG.54USEPA. (2022c, August). Live Water Quality Data Lower Charles River.
G. Other Technical and Scientific DocumentsG.55USEPA. (2022d, August). Mystic River Watershed Report Cards.
G. Other Technical and Scientific DocumentsG.56USEPA. (2022e, August). Urban Waters - Neponset River.
G. Other Technical and Scientific DocumentsG.57USEPA. (2022f, August). The Charles River Initiative.
G. Other Technical and Scientific DocumentsG.58Wang, S., Ma, Y., Zhang, X., & Shen, Z. (2022). Transport and sources of nitrogen in stormwater runoff at the urban catchment scale. Science of the Total Environment, 150281.
G. Other Technical and Scientific DocumentsG.59Waschbusch, R. J. (2000). Sources of Phosphorus in Stormwater and Street Dirt from two Urban Residential Basins in Madison, Wisconsin, 1994-1995. National conference on Tools for Urban Water Resource Management and Protection (pp. 15-55). US EPA.
G. Other Technical and Scientific DocumentsG.60Outline of Environmental Justice Considerations to Support EPA's Response to the Charles/Neponset/Mystic Watersheds RDA Petition (May 3, 2023) (pdf) (381 KB)
G. Other Technical and Scientific DocumentsG.61MA Property Type Classification Codes for Taxes and their applicability to the Massachsuetts CII GP (pdf) (184 KB)
G. Other Technical and Scientific DocumentsG.62National Research Council. (2008). Urban Stormwater Management in the United States. Washington, D.C.: National Academies Press.
G. Other Technical and Scientific DocumentsG.63MassGIS Data: 2016 Land Cover/Land Use
G. Other Technical and Scientific DocumentsG.64Hathaway, J. M., et al. "A Synthesis of Climate Change Impacts on Stormwater Management Systems: Designing for Resiliency and Future Challenges." Journal of Sustainable Water in the Built Environment 10.2 (2024): 04023014.
G. Other Technical and Scientific DocumentsG.65Ferris, William N., and Kurt Stephenson. "The role of nutrient credit trading for total maximum daily load compliance by the urban stormwater sector: Evidence from Virginia's Municipal Separate Storm Sewer Systems." JAWRA Journal of the American Water Resources Association 60.2 (2024): 392-405.
G. Other Technical and Scientific DocumentsG.66EPA Memo: PLERs for Charles RD Evaluation (pdf) (224 KB)
H. EPA GuidanceH.1USEPA, Technical Support Document for Water Quality-based Toxics Control, 1991, EPA/505/2-90-001, p. 74. (pdf) (25.2 MB)
H. EPA GuidanceH.2Questions and Answers on Antidegradation. EPA/811/1985.5. EPA. August 1985. (pdf) (1 MB)
H. EPA GuidanceH.3Memorandum Compliance Schedules for Water Quality-Based Effluent Limitations in NPDES Permits, May 2007 (pdf) (56 KB)
H. EPA GuidanceH.4U.S. Environmental Protection Agency NPDES Permit Writer's Manual. EPA-833-K-10-001. EPA. September 2010. (pdf) (4.7 MB)
H. EPA GuidanceH.5National Recommended Water Quality Criteria: 2002. EPA-822-R-02-047. EPA. November 2002. (pdf) (366 KB)
H. EPA GuidanceH.6Technical Support Document for Water Quality-Based Toxics Control. EPA. EPA/505/2-90-001. March 1991. (pdf) (25.2 MB)
H. EPA GuidanceH.7Ambient Water Quality Criteria for Chloride-1988. USEPA (pdf) (2.2 MB)
H. EPA GuidanceH.8CEJST. Climate and Economic Justice Screening Tool.
I. Federal Statutory and Regulatory AuthoritiesI.1The Clean Water Act, 33 U.S.C. § 1251 et seq. (pdf) (1.1 MB)
I. Federal Statutory and Regulatory AuthoritiesI.2The Clean Water Act, 33 U.S.C. § 1311 et seq. (pdf) (1.1 MB)
I. Federal Statutory and Regulatory AuthoritiesI.3The Clean Water Act, 33 U.S.C. § 1342 et seq. (pdf) (1.1 MB)
I. Federal Statutory and Regulatory AuthoritiesI.4The Clean Water Act, 33 U.S.C. § 1314 (pdf) (1.1 MB)
I. Federal Statutory and Regulatory AuthoritiesI.5The Clean Water Act, 33 U.S.C. § 1316 (pdf) (1.1 MB)
I. Federal Statutory and Regulatory AuthoritiesI.6The Clean Water Act, 33 U.S.C. § 1341 (pdf) (1.1 MB)
I. Federal Statutory and Regulatory AuthoritiesI.7The Clean Water Act, 33 U.S.C. § 1346 (pdf) (1.1 MB)
I. Federal Statutory and Regulatory AuthoritiesI.8CWA § 301 (pdf) (1.2 MB)
I. Federal Statutory and Regulatory AuthoritiesI.9CWA § 402
I. Federal Statutory and Regulatory AuthoritiesI.10CWA § 304 (pdf) (1.2 MB)
I. Federal Statutory and Regulatory AuthoritiesI.11CWA § 306 (pdf) (1.2 MB)
I. Federal Statutory and Regulatory AuthoritiesI.12CWA § 401 (pdf) (1.2 MB)
I. Federal Statutory and Regulatory AuthoritiesI.13CWA § 403 (pdf) (1.2 MB)
I. Federal Statutory and Regulatory AuthoritiesI.1455 Fed. Reg. 47990 (Nov. 16, 1990) (pdf) (288.6 MB)
I. Federal Statutory and Regulatory AuthoritiesI.1564 Fed. Reg. 68722 (December 8, 1999) (pdf) (1.3 MB)
I. Federal Statutory and Regulatory AuthoritiesI.1640 C.F.R. Part 122
I. Federal Statutory and Regulatory AuthoritiesI.1740 C.F.R. Part 124
I. Federal Statutory and Regulatory AuthoritiesI.1840 C.F.R. Part 125
I. Federal Statutory and Regulatory AuthoritiesI.1940 C.F.R. Part 130
I. Federal Statutory and Regulatory AuthoritiesI.2040 C.F.R. Part 131
I. Federal Statutory and Regulatory AuthoritiesI.2140 C.F.R. Part 136
I. Federal Statutory and Regulatory AuthoritiesI.22National Historic Preservation Act of 1966 (NHPA), 16 USC §470 et seq (pdf) (731 KB)
I. Federal Statutory and Regulatory AuthoritiesI.23Coastal Zone Management ("CZM") Act ("CZMA"), 16 USC §1451 et seq. (pdf) (196 KB)
I. Federal Statutory and Regulatory AuthoritiesI.24National Recommended Water Quality Criteria Tables
J. Case HistoryJ.1Tex. Oil & Gas Ass'n v. EPA, 161 F.3d 923, 928 (5th Cir. 1998) (pdf) (308 KB)
J. Case HistoryJ.2BP Exploration & Oil, Inc. v. EPA, 66 F.3d 784, 796 (6th Cir. 1995) (pdf) (293 KB)
J. Case HistoryJ.3Upper Blackstone Water Pollution Abatement Dist. v. U.S. E.P.A., 690 F.3d 9, 11–12 (1st Cir. 2012)
J. Case HistoryJ.4Star-Kist Caribe, Inc. 3 E.A.D. 172, 175, 177-178 (1990) (pdf) (174 KB)
J. Case HistoryJ.5NRDC v. EPA, 863 F.2d 1420, 1426 (9th Cir. 1988) (pdf) (290 KB)
K. MassDEP Regulation, Policy, and GuidanceK.1314 CMR
K. MassDEP Regulation, Policy, and GuidanceK.2Implementation Procedures for the Antidegradation Provisions of the Massachusetts Surface Water Quality Standards, 314 CMR 4.00. MassDEP. 2009. (pdf) (72 KB)
K. MassDEP Regulation, Policy, and GuidanceK.3Implementation Policy for the Control of Toxic Pollutants in Surface Waters. MassDEP. 1990. (doc) (65 KB)
K. MassDEP Regulation, Policy, and GuidanceK.4Massachusetts Surface Water Quality Standards, 314 Mass. Code Regs. § 4.00 et seq. (pdf) (15.6 MB)
K. MassDEP Regulation, Policy, and GuidanceK.5Massachusetts Wetlands Protection Act Regulations. 310 CMR 10.00 (pdf) (1.6 MB)
K. MassDEP Regulation, Policy, and GuidanceK.6Massachusetts Stormwater Handbook and Stormwater Standards
K. MassDEP Regulation, Policy, and GuidanceK.7Massachusetts Plant nutrient application requirements for agricultural land and land not used for agricultural purposes. 330 CMR 31. (pdf) (275 KB)
K. MassDEP Regulation, Policy, and GuidanceK.8Section 3A of MGL c. 40A. Multi-family zoning as-of-right in MBTA communities
K. MassDEP Regulation, Policy, and GuidanceK.9MBTA Communities Community Categories and Capacity Calculations, May 2024
K. MassDEP Regulation, Policy, and GuidanceK.10Appendix 1 MBTA Community Categories and Requirements
K. MassDEP Regulation, Policy, and GuidanceK.11USEPA. (2000). Nutrient Criteria Technical Guidance Manual - Rivers and Streams.  (pdf) (2.7 MB)
K. MassDEP Regulation, Policy, and GuidanceK.12USEPA. (2001). Nutrient Criteria Technical Guidance Manual - Estuarine and Coastal Marine Waters.  (pdf) (6.5 MB)
K. MassDEP Regulation, Policy, and GuidanceK.13MassDEP's UIC regulations, 310 CMR 27.00 (pdf) (371 KB)
L. Other L.1Mystic-Neponset-HRU Summary Tables (xlsx) (73 KB)
L. Other L.2EPA's Central Data Exchange
L. Other L.3Massachusetts Tax Assessor's Code, Massachusetts Department of Revenue/Division of Local Services. (June 2016). Property Type Classification Codes, Non-Arm's Length Codes and Sales Report Spreadsheet Specifications. (pdf) (1.1 MB)
L. Other L.4Massachusetts Property Classification System of the Boston Assessing Department, Massachusetts Property Classification System Occupancy Codes (pdf) (74 KB)
L. Other L.5Establishing a Stormwater Volume Credit Trading Program, A Practical Guide for Stormwater Practitioners, September 2019 (pdf) (13.2 MB)
L. Other L.6MassGIS Data: Property Tax Parcels, July 2024 (pdf) (2 MB)
L. Other L.7Technical Memoradum, Clean SweepRecommendations for New and Updated Credits for Street Cleaning in New Hampshire, PREP, September 2022 (pdf) (6.4 MB)
L. Other L.8Cost Benefit Resource Toolkit for Phosphorus Control BMPs, Stormwater MS4 Municipal Assistance Grant Program – Phosphorus Control Plan (PCP) Resources, Brown and Caldwell, 2022 (pdf) (584 KB)
L. Other L.9New England Stormwater Retrofit Manual, July 2022 (pdf) (30.8 MB)
L. Other L.10Final RDA Report: Summary of Focus Group Feedback on Residual Designation Authority Permit Implementation in the Charles, Mystic and Neponset River Watersheds, CBI, June 30, 2024 (pdf) (464 KB)
L. Other L.11C-CAP High-Resolution Land Cover Classification Schemes Definitions and Guidance for Mapping Production and Data Use, NOAA (pdf) (208 KB)
L. Other L.12NPDES Permit Application Regulations for Storm Water Discharges, found in 55 FR 48054 (November 16, 1990)
L. Other L.13US EPA. (2016a). 2016 Massachusetts Municipal Separate Storm Sewer General Permit (as amended).  (pdf) (776 KB) 
L. Other L.14USEPA. (2013). A Long-Term Vision for Assessment, Restoration, and Protection under the Clean Water Act Section 303(d) Program. (pdf) (113 KB) 
L. Other L.15USEPA. (2014). Fact Sheet to the 2014 Draft MA Small MS4 Permit.
Contact us about NPDES permits around the nation to ask a question, provide feedback, or report a problem.
Last updated on November 17, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.