Passage Data · Check a report · Use it from your AI

Tennessee Wildlife Resources Agency (TWRA)

Fish Hatcheries And Preserves, Erwin, Tennessee. NPDES permit TN0005053, in force until Jul 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form G monthly (8 values), form T yearly
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 13 reports late

Limits in force (10)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	minimum	≥ 7 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	daily maximum	≤ 15 mg/L	all year
Solids, settleable	daily maximum	≤ .5 mL/L	all year
Floating solids, waste or visible foam-visual	value	report only (N=0;Y=1)	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
LC50 Static 48Hr Acute Ceriodaphnia dubia	minimum	≥ 100 %	all year
LC50 Static 48Hr Acute Pimephales promelas	minimum	≥ 100 %	all year

How strict are these limits?

Solids, total suspended, daily maximum 15 mg/L — stricter than 99% of 474 other minor industrial and other permits in Tennessee
Oxygen, dissolved [DO], minimum at least 7 mg/L — stricter than 92% of 574 other minor industrial and other permits nationwide; 6% have the same limit
Solids, settleable, daily maximum .5 mL/L — stricter than 45% of 83 other minor industrial and other permits in Tennessee; 54% have the same limit

Cited limits by parameter: Tennessee's rules and the federal ones.

Same industry: the 7 Fishing, Hunting and Trapping permits in Tennessee.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0005053 · MCP: https://passage-data.com/mcp