- Beach Inspection Program
- Biomonitoring
- Clean Vessel Act (Boat Pumpouts)
- Clean Lakes Program
- Coastal Program
- Environmental Monitoring Database (EMD)
- Exotic Species Program
- Instream Flow Pilot Program
- Lakes Management and Protection Program
- New Hampshire Estuaries Project
- Public Bathing Facility Program
- Regional Environmental Planning Program
- Rivers Management and Protection Program
- Shellfish Program
- Stormwater Program (National Pollutant Discharge Elimination System Federal Stormwater Program - Phase II)
- Surface Water Quality Assessments [305(b) and 303(d)]
- Total Maximum Daily Load Program (TMDL)
- Volunteer Lake Assessment Program (VLAP)
- Volunteer River Assessment Program (VRAP)
- Water Quality Certification
- Watershed Assistance Section
- Water Quality Standards
Rules/Regulatory