Thermal Discharges: What you need to know

Governing Law and Regulations

Clean Water Act (CWA) Section 316: 33 USC 1313 and 33 USC 1326

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National Pollutant Discharge Elimination System (NPDES) permit requirements: 40 CFR 122

State thermal standards: 33 USC 1311

Technology-based limitations: 40 CFR 405 to 471

Total maximum daily load (TMDL) lists: 40 CFR 130.7

Alternative effluent limitations: 40 CFR 125.73

Applications: 40 CFR 125.72(a)

Plan of study: 40 CFR 125.72(b)

Industrial users: 40 CFR 403.5

Other standards: 40 CFR 403.6

Existing cooling water intake structures (CWIS) facilities: 40 CFR 125.90 to 125.98

Compliance requirements: 40 CFR 125.94

Application requirements: 40 CFR 125.95

New CWIS facilities: 40 CFR 125.80 to 125.89

Compliance requirements: 40 CFR 125.84

Monitoring: 40 CFR 125.87

Records and reporting: 40 CFR 125.88

Testing and holding times: 40 CFR 136.3

Testing and records: 40 CFR 122.41

Regulatory Agency

U.S. Environmental Protection Agency (EPA) Office of Wastewater Management Water Permits Division

Regional EPA offices

See ADDRESSES & CONTACTS for addresses and telephone numbers.

Overview of Thermal Discharge Regulation

Thermal effluents are regulated because heat is defined as a pollutant under Clean Water Act (CWA) Section 502(6). The U.S. Environmental Protection Agency (EPA) defines thermal pollution as discharges of heated water from industrial processes that have the potential to alter the growth and existence of aquatic organisms. Therefore, a water quality standard exists for temperature and it is applied to all regulated discharges to waters of the United States. A facility may be authorized to discharge pollutants into U.S. waters by obtaining a National Pollutant Discharge Elimination System (NPDES) permit. See the national section NPDES PERMIT ...

>> Read more about Thermal Discharges

More on this topic:

Governing Law and Regulations
Regulatory Agency
Overview of Thermal Discharge Regulation
Standards and Limitations
Indirect Discharges
Cooling Water Intake Structures
Temperature Measurements
Additional Guidance

State Requirements

Alabama | Arizona | Arkansas | California | Colorado | Connecticut | Delaware | Florida | Georgia | Illinois | Indiana | Iowa | Kansas | Kentucky | Louisiana | Maryland | Massachusetts | Michigan | Minnesota | Mississippi | Missouri | Montana | New Hampshire | New Jersey | New York | North Carolina | Ohio | Oklahoma | Oregon | Pennsylvania | Rhode Island | South Carolina | Tennessee | Texas | Utah | Virginia | Washington | West Virginia | Wisconsin |

Thermal Discharges Resources

Thermal Discharges Products

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