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Sewage treatment plant, major discharger, Jonesboro, Arkansas. NPDES permit AR0037907, in force until Mar 31, 2028. Last 12 months: over a limit 3 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| April 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | > 16.9 mg/L | ≤ 15 mg/L |
| April 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | > 298 lb/d | ≤ 369 lb/d |
| May 2026 | BOD, carbonaceous [5 day, 20 C], 7-day average | > 39 mg/L | ≤ 23 mg/L |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 500.4 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 100.1 lb/d | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | 7-day average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | 7-day average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | 7-day average | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | 7-day average | report only (mg/L) | 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 |
| Peracetic Acid | instantaneous maximum | ≤ 1 mg/L | all year | 001 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | 7-day average | report only (mg/L) | all year | 001 |
| Coliform, fecal general | 30-day geometric mean | ≤ 1000 #/100mL | all year | 001 |
| Coliform, fecal general | 7-day geometric mean | ≤ 2000 #/100mL | all year | 001 |
| Overflows | monthly total | report only (occur/mo) | all year | 001 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (gal) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 23 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 375.3 lb/d | all year | 001 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | 7-day average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 492.1 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.1 mg/L | Apr–Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 5.2 mg/L | Apr–Oct | 002 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6 mg/L | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 51.7 lb/d | Apr–Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 98.4 lb/d | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | 7-day average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | 7-day average | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | 7-day average | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | 7-day average | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 002 |
| Solids, total dissolved | 7-day average | report only (mg/L) | all year | 002 |
| Coliform, fecal general | 30-day geometric mean | ≤ 1000 #/100mL | all year | 002 |
| Coliform, fecal general | 7-day geometric mean | ≤ 2000 #/100mL | all year | 002 |
| Overflows | total | report only (occur/mo) | all year | 002 |
| Overflow volume [SS0 volume, CSO volume] | total | report only (gal) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 23 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 369 lb/d | all year | 002 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | ≥ 100 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | ≥ 80 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - P. promelas | 7-day minimum | ≥ 100 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - P. promelas | 7-day minimum | ≥ 80 % | 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 |
| 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 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| WET, sublethal retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| WET, sublethal retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity - Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
Cited limits by parameter: Arkansas'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/AR0037907 · MCP: https://passage-data.com/mcp