New Hampshire Effluent Limitations regulations & environmental compliance analysis

New Hampshire Effluent Limitations: What you need to know

Governing Law and Regulations

State standards: New Hampshire Regulations-Environmental Water Quality (NH Regs. Env-Wq) 1700

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Water quality standards: New Hampshire Revised Statutes Annotated (RSA) 485-A:8, NH Regs. Env-Wq 1703.01, and NH Regs. Env-Wq 1702.11

General water quality: NH Regs. Env-Wq 1703.03

Specific parameters: NH Regs. Env-Wq 1703.05 to 1703.32

Dissolved oxygen: NH Regs. Env-Wq 1703.07

Turbidity: NH Regs. Env-Wq 1703.11

Phosphorus and nitrogen: NH Regs. Env-Wq 1703.14

Discharge permits: NH Regs. Env-Wq 301.15 and NH Regs. Env-Wq 301.16

Regulatory Agencies

New Hampshire Department of Environmental Services (DES) Water Division

U.S. Environmental Protection Agency (EPA) Region 1

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Because New Hampshire does not have permitting authority under the federal National Pollutant Discharge Elimination System (NPDES), wastewater discharges must comply with both federal and state effluent guidelines. See the national section EFFLUENT LIMITATIONS and contact the New Hampshire Department of Environmental Services (DES) for more information.

New Hampshire must follow both federal and state water quality criteria. The state effluent standards are based on national effluent guidelines for various types of industry, or based on a case-by-case determination using "best professional judgment." DES will establish effluent limitations that represent the appropriate level of treatment technology. If effluent limitations are insufficient to meet water quality standards in the receiving stream, EPA may impose more stringent effluent limitations.

Administration and ...


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