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Electric Services, major discharger, Fulton, Arkansas. NPDES permit AR0051136 expired Dec 31, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | ≤ 98.6 deg F | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | monthly average | ≤ 180 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 270 lb/d | all year | 001 |
| Chloride [as Cl] | monthly average | ≤ 250 mg/L | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 375 mg/L | all year | 001 |
| Chloride [as Cl] | monthly average | ≤ 4503 lb/d | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 6755 lb/d | all year | 001 |
| Zinc, total recoverable | monthly average | ≤ .652 mg/L | all year | 001 |
| Zinc, total recoverable | daily maximum | ≤ 1 mg/L | all year | 001 |
| Zinc, total recoverable | monthly average | ≤ 11.6 lb/d | all year | 001 |
| Zinc, total recoverable | daily maximum | ≤ 18 lb/d | all year | 001 |
| Chromium, total recoverable | monthly average | ≤ .2 mg/L | all year | 001 |
| Chromium, total recoverable | daily maximum | ≤ .2 mg/L | all year | 001 |
| Chromium, total recoverable | monthly average | ≤ 3.6 lb/d | all year | 001 |
| Chromium, total recoverable | daily maximum | ≤ 3.6 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 |
| Chlorine, total residual | daily maximum | < .1 mg/L | all year | 001 |
| Chlorine, free available | monthly average | ≤ .2 mg/L | all year | 001 |
| Chlorine, free available | daily maximum | ≤ .5 mg/L | all year | 001 |
| Chlorine, free available | monthly average | ≤ .3 lb/d | all year | 001 |
| Chlorine, free available | daily maximum | ≤ .75 lb/d | all year | 001 |
| Solids, total dissolved | monthly average | ≤ 2500 mg/L | all year | 001 |
| Solids, total dissolved | daily maximum | ≤ 3750 mg/L | all year | 001 |
| Solids, total dissolved | monthly average | ≤ 45036 lb/d | all year | 001 |
| Solids, total dissolved | daily maximum | ≤ 67554 lb/d | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 002 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 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 |
| pH | minimum | ≥ 6 SU | all year | 101 |
| pH | maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 101 |
| Solids, total suspended | monthly average | ≤ 291.2 lb/d | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 483.8 lb/d | all year | 101 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 101 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 101 |
| Oil & Grease | monthly average | ≤ 144.4 lb/d | all year | 101 |
| Oil & Grease | daily maximum | ≤ 193.7 lb/d | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| pH | minimum | ≥ 6 SU | all year | 201 |
| pH | maximum | ≤ 9 SU | all year | 201 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 201 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 201 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 201 |
| pH | minimum | ≥ 6 SU | all year | 301 |
| pH | maximum | ≤ 9 SU | all year | 301 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 301 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 301 |
| Solids, total suspended | monthly average | ≤ 291.2 lb/d | all year | 301 |
| Solids, total suspended | daily maximum | ≤ 483.8 lb/d | all year | 301 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 301 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 301 |
| Oil & Grease | monthly average | ≤ 144.4 lb/d | all year | 301 |
| Oil & Grease | daily maximum | ≤ 193.7 lb/d | all year | 301 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 301 |
| pH | minimum | ≥ 6 SU | all year | 401 |
| pH | maximum | ≤ 9 SU | all year | 401 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 401 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 401 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 401 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 401 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 401 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 401 |
| pH | minimum | ≥ 6 SU | all year | 501 |
| pH | maximum | ≤ 9 SU | all year | 501 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 501 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 501 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 501 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 501 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 501 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 501 |
| pH | minimum | ≥ 6 SU | all year | 601 |
| pH | maximum | ≤ 9 SU | all year | 601 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 601 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 601 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 601 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 601 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 601 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 601 |
| Whole effluent toxicity - retest #1 | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #1 | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #1 | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #2 | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #2 | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity - Retest #3 | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day average | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day average | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day average | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day average | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day average | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day average | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day average | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7-day average | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7-day average | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7-day average | report only (%) | all year | TX1 |
| Whole effluent toxicity - retest #1 | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #2 | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| WET, sublethal retest #1 | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| WET, sublethal retest #2 | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity - Retest #3 | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day average | report only (pass=0;fail=1) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day average | report only (%) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day average | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day average | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day average | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7-day average | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7-day average | report only (%) | all year | TX2 |
Cited limits by parameter: Arkansas's rules and the federal ones.
Same industry: the 18 Electric Services 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/AR0051136 · MCP: https://passage-data.com/mcp