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Sewage treatment plant, major discharger, Barling, Arkansas. NPDES permit AR0048801 expired Sep 30, 2025; its limits still apply. Last 12 months: over a limit once (last May 2026), 5 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Coliform, fecal general, 7-day geometric mean | 768 #/100mL | ≤ 400 #/100mL | 92% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 938.3 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year | 002 |
| Solids, total suspended | 7-day average | ≤ 135 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 2814.8 lb/d | all year | 002 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | 7-day average | ≤ 15 mg/L | all year | 002 |
| Oil & Grease | monthly average | ≤ 312.8 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Oct | 002 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May–Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 156.4 lb/d | May–Oct | 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 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | 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 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | 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 |
| Chlorine, total residual | instantaneous maximum | ≤ .033 mg/L | all year | 002 |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | May–Sep | 002 |
| Coliform, fecal general | 30-day geometric mean | ≤ 1000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 002 |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | May–Sep | 002 |
| Coliform, fecal general | 7-day geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 002 |
| Overflows | monthly total | report only (occur/mo) | all year | 002 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (gal) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | May–Oct | 002 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 38 mg/L | May–Oct | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 781.9 lb/d | May–Oct | 002 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| WET, sublethal retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| WET, sublethal retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX2 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 48-hour minimum | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 48-hour 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/AR0048801 · MCP: https://passage-data.com/mcp