Georgia Bioassays and Biomonitoring regulations & environmental compliance analysis

Georgia Bioassays and Biomonitoring: What you need to know

Governing Law and Regulations

Toxic pollutant monitoring: Rules and Regulations of the State of Georgia (GRR) 391-3-6-.03(11)

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National Pollutant Discharge Elimination System (NPDES) permit requirements: GRR 391-3-6-.06(4)

Municipal discharges: GRR 391-3-6-.06(5)(h)

Laboratory certification: GRR 391-3-26-.01 to 391-3-26-.07

Definitions: GRR 391-3-26-.02

Accrediting authorities: GRR 391-3-26-.04

Regulatory Agencies

Georgia Department of Natural Resources Environmental Protection Division (EPD) Water Protection Branch

U.S. Environmental Protection Agency (EPA) Region 4

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Some Georgia wastewater discharge permits require the use of bioassays to ensure compliance with in-stream toxic chemical standards (GRR 391-3-6-.03(11)). The Georgia constituent chemical list is more extensive than the federal standards. Specific guidance on when to conduct a bioassay is contained in the facility's discharge permit. See the national section BIOASSAYS/BIOMONITORING for additional guidance about the federal requirements.

Georgia requires that all commercial environmental laboratories submitting data for regulatory purposes be accredited.

Administration and enforcement. EPD's Water Protection Branch is responsible for the administration and enforcement of the state's biological testing and monitoring requirements.

State Requirements


GRR 391-3-6-.06(4)

In Georgia, at the request of a NPDES permittee, a schedule to allow for development of a site-specific effluent limit may be established by EPD. The schedule is contained in the permit, or in an accompanying ...

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