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Sewerage Systems, major discharger, Heavener, Oklahoma. NPDES permit OK0038849, in force until Oct 31, 2028. Last 12 months: over a limit 2 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| August 2026 | E. coli, daily maximum | 2000 CFU/100mL | ≤ 406 CFU/100mL | 393% |
| September 2026 | Solids, total suspended, daily maximum | 25.3 mg/L | ≤ 22.5 mg/L | 12% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | Apr–Oct | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | Apr–Oct | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Solids, total suspended | daily maximum | ≤ 22.5 mg/L | Apr–Oct | 001 |
| Solids, total suspended | monthly average | ≤ 826 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Solids, total suspended | monthly average | ≤ 413 lb/d | Apr–Oct | 001 |
| Solids, total suspended | daily maximum | ≤ 1238 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Solids, total suspended | daily maximum | ≤ 619 lb/d | Apr–Oct | 001 |
| Oil and grease, hexane extr method | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil and grease, hexane extr method | monthly average | ≤ 272 lb/d | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 413 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.1 mg/L | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.1 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.5 mg/L | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.86 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 113 lb/d | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 113 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 206 lb/d | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 271 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (lb/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| E. coli | geometric mean | ≤ 126 CFU/100mL | May–Sep | 001 |
| E. coli | daily maximum | ≤ 406 CFU/100mL | May–Sep | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Apr–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 30 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 15 mg/L | Apr–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 550 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 275 lb/d | Apr–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 826 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 413 lb/d | Apr–Oct | 001 |
| pH | daily minimum | report only (SU) | all year | TX1 |
| pH | daily maximum | report only (SU) | all year | TX1 |
| Nitrogen, ammonia total [as N] | daily minimum | report only (mg/L) | all year | TX1 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | TX1 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | TX1 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| %Mortality 7Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| %Mortality Static Renewal 7Day Chronic Pimephales Promelas | 7-day minimum | report only (%) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Copper, total [as Cu], daily maximum | 0.134 lb/d | new | 0.032 lb/d (12 values) | 0.239× |
| Copper, total [as Cu], daily maximum | 4.88 mg/L | new | 0.00225 mg/L (12 values) | 0.000461× |
| Copper, total [as Cu], monthly average | 4 mg/L | new | 0.00215 mg/L (12 values) | 0.000538× |
| Copper, total [as Cu], monthly average | 0.11 lb/d | new | 0.0285 lb/d (12 values) | 0.259× |
Cited limits by parameter: Oklahoma's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OK0038849 · MCP: https://passage-data.com/mcp