New Hampshire Pretreatment Standards regulations & environmental compliance analysis

New Hampshire Pretreatment Standards: What you need to know

Governing Law and Regulations

Pretreatment standards: New Hampshire Regulations (NH Regs.) Environmental Water Supply (Env-Ws) 904.01 to NH Regs. Env-Ws 904.17

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Indirect discharge request (IDR): NH Regs. Env-Ws 904.10

Request application: NH Regs. Env-Ws 904.11 to NH Regs. Env-Ws 904.12

Exceptions: NH Regs. Env-Ws 904.16

Municipal reporting: NH Regs. Env-Ws 904.17

Septage management: NH Regs. Environmental Quality (Env-Wq) 1603.01

Regulatory Agencies

New Hampshire Department of Environmental Services (DES) Water Division Wastewater Engineering Bureau

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 pretreatment standards. See the national section PRETREATMENT STANDARDS for more information.

New Hampshire requires industrial facilities to obtain indirect discharge permits before discharging into municipal collection systems. The state's pretreatment requirements strive to ensure that industrial discharges to publicly owned treatment works (POTWs) do not adversely impact the operation of the POTW or cause the facility to violate the state's surface water quality regulations.

DES requires state-specific effluent limitations or standards necessary to achieve state water quality standards under the state NPDES permit program and the state permit program for soil and erosion control.

Administration and enforcement. EPA Region 1 has primary responsibility and ...

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