- Pretreatment Program
- NPDES Permit Program Basics
- Where You Live
- Municipalities and Wastewater Treatment
- Municipal Biosolids
- Combined Sewer Overflows
- Sanitary Sewer Overflows
- Industrial and Commercial Facilities
- Industrial Pretreatment
- Animal Feeding Operations
- Decentralized Treatment Systems (Septic Systems)
Pretreatment Program Guidance
Local Limits Spreadsheet
This spreadsheet is used to calculate local limits in conjunction with U.S. EPA's 1987 Local Limits Guidance Manual and Region 5's Local Limits Guidance.
- Local Limits Spreadsheet (Microsoft Excel) (101K) February 2011
U.S. EPA Region 5 Local Limits Guidance Narrative guidance which complements U.S. EPA's 1987 Local Limits
Guidance Manual. Developed for use by POTWs in Illinois and Indiana
to develop technically based local limits submittals for review
and approval by Region 5.
Region 3 Guidance on Local Limits (PDF) (25K, 10pp) June 1994
EAP Region 3 guidance for setting local limits for a pollutant where the domestic loading exceeds the maximum allowable headworks loading
Pollutant Minimization Program (PMP) Guidance (PDF) (116K, 16p) November 2004
Guidance developed with the Region 5 states to address situations where a Pollutant Minimization Program is required in a state-issued NPDES permit for a Publicly Owned Treatment Works as a condition for receiving a variance from the underlying water quality standard for mercury.