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Federal facility (Fish Hatcheries And Preserves), Heber Springs, Arkansas. NPDES permit AR0029181 expired Jun 30, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | SUM |
| pH | minimum | ≥ 6 SU | all year | SUM |
| pH | maximum | ≤ 9 SU | all year | SUM |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | SUM |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | SUM |
| Solids, total suspended | monthly average | ≤ 2808.7 lb/d | all year | SUM |
| Solids, total suspended | daily maximum | ≤ 4213.1 lb/d | all year | SUM |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | all year | SUM |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15 mg/L | all year | SUM |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1404.4 lb/d | all year | SUM |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2106.6 lb/d | all year | SUM |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | SUM |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | SUM |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | all year | SUM |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 30 mg/L | all year | SUM |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 2808.7 lb/d | all year | SUM |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 4213.1 lb/d | all year | SUM |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TXS |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TXS |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TXS |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TXS |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TXS |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TXS |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TXS |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TXS |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TXS |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TXS |
Cited limits by parameter: Arkansas's rules and the federal ones.
Same industry: the 3 Fishing, Hunting and Trapping permits in Arkansas.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AR0029181 · MCP: https://passage-data.com/mcp