Selected Offices, Divisions, Branches, And Sections Within EPA

Guidance for Water Quality-Based Decisions:

The TMDL Process

OW	Office of Water 202-382-5700
OWRS	Office of Water Regulations and Standards 202-382-5400 AED -- Analysis and Evaluation Division 202-382-5389 ITD -- Industrial Technology Division 202-382-7120 CSD -- Criteria and Standards Division 202-382-7301 AWPD -- Assessment and Watershed Protection Division 202-382-7040 Monitoring Branch 202-382-7056 Monitoring Management Section (TMDLs/WLAs) Monitoring Analysis Section Water Quality Analysis Branch 202-382-7046 Information Services Section Special Studies Section Exposure Assessment Section Nonpoint Source Control Branch 202-382-7085 Clean Lakes Section Nonpoint Source Control Section (BMPs/LAs)
OMEP	Office of Marine and Estuarine Protection 202-382-7166
OWEP	Office of Water Enforcement and Permits 202-475-8488
OMPC	Office of Municipal Pollution Control 202-382-5850
ODW	Office of Drinking Water 202-382-5543
OGWP	Office of Ground Water Protection 202-382-7077
OWP	Office of Wetlands Protection 202-475-7791