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Who Should use NeT-Biosolids

In accordance with EPA regulations (40 CFR part 503), biosolids pollutant monitoring and biosolids management information is summarized in a report and submitted to the agency authorized to administer the Federal NPDES biosolids program each year (usually due February 19). This annual report documents measures taken to protect public health and the environment from any reasonably anticipated adverse effects of certain pollutants and pathogens that might be present in sewage sludge and biosolids. EPA regulations specify that representative samples of sewage sludge that is applied to the land, placed on a surface disposal site, or fired in a sewage sludge incinerator must be collected and analyzed. NPDES regulated entities that need to submit this report include:

  • Class I sludge management facilities;
  • Publicly Owned Treatment Works (POTW), as defined in 40 CFR 501.2, with a design flow rate equal to or greater than one million gallons per day; and
  • POTWs that serve 10,000 people or more.

EPA has authorized nine states to administer some or all of the Federal biosolids program.  EPA administers the Federal biosolids program for all other 41 states as well as all tribes and territories. EPA also retains regulatory authority over biosolids managed on all tribal lands (regardless of state authorization). All facilities that are regulated by EPA for the Federal biosolids program (40 CFR part 503) must use NeT to electronically submit this annual report. Facilities that are managing biosolids where the state is the regulatory authority should not use NeT. These facilities should contact their state on how to submit their annual report. Below is a summary of the nine states that are authorized to administer some or all of the Federal biosolids program.

State

EPA Region

NPDES Program Authorization Status (Part 503)

Electronic Reporting Tool

Subpart B —

Land Application

Subpart C — Surface Disposal

Subpart E —Incineration

Arizona

9

Yes

Yes

Yes

Contact your state regulatory authority.

Idaho

10

Yes

Yes

Yes

Contact your state regulatory authority.

Michigan

5

Yes

No

No

Contact your state regulatory authority for land application. NeT-Biosolids for surface disposal & incineration.

Ohio

5

Yes

Yes

No

Contact your state regulatory authority for land application & surface disposal. NeT-Biosolids for incineration.

Oklahoma

6

Yes

Yes

Yes

Contact your state regulatory authority.

South Dakota

8

Yes

Yes

Yes

NeT-Biosolids

Texas

6

Yes

Yes

Yes

NeT-Biosolids

Utah

8

Yes

Yes

Yes

NeT-Biosolids

Wisconsin

5

Yes

Yes

No

Contact your state regulatory authority for land application & surface disposal. NeT-Biosolids for incineration.

 

NPDES Program Authorization Status:

  • Yes: State is authorized the run the Federal biosolids program for this sludge management practice. However, EPA always retains regulatory oversight of biosolids management practices on tribal lands.
  • No: State is not authorized the run the Federal biosolids program for this sludge management practice. EPA is the Regulatory Authority for this management practice for facilities in this state. This also means that facilities in this state are required to use NeT-Biosolids for this management practice (even if the state has elected to not use NeT-Biosolids for other management practices).

For example, facilities in Ohio only need to use NeT-Biosolids to report on their management of sewage sludge by incineration. As noted in the above table, EPA remains the regulatory authority for this management practice under 40 CFR part 503, Subpart E.

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