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Sewage treatment plant, major discharger, El Dorado, Arkansas. NPDES permit AR0033936, in force until Dec 31, 2028. Last 12 months: over a limit 8 times (last August 2026), 5 required values missing, 4 of 75 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, ammonia total [as N], daily maximum | 522.04 lb/d | ≤ 446 lb/d | 17% |
| October 2025 | Solids, total suspended, daily maximum | 160 mg/L | ≤ 45 mg/L | 256% |
| February 2026 | Solids, total suspended, daily maximum | 49 mg/L | ≤ 45 mg/L | 9% |
| March 2026 | Solids, total suspended, daily maximum | 48 mg/L | ≤ 45 mg/L | 7% |
| June 2026 | Solids, total suspended, daily maximum | 47 mg/L | ≤ 45 mg/L | 4% |
| July 2026 | Solids, total suspended, daily maximum | 110 mg/L | ≤ 45 mg/L | 144% |
| August 2026 | Solids, total suspended, daily maximum | 210 mg/L | ≤ 45 mg/L | 367% |
| August 2026 | Solids, total suspended, daily maximum | 3464.27 lb/d | ≤ 1876.5 lb/d | 85% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | 7-day average | report only (deg C) | Apr, May | 001 |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 5 mg/L | May–Oct | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 22.5 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 625.5 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 13.3 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.18 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.25 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.46 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.51 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.62 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.7 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.8 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.86 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.95 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.8 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.4 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 9.1 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.12 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.21 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 11.7 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.2 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.3 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.68 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.79 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.33 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 13.5 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.1 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.2 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10.3 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 13.3 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.95 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6.2 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6.3 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 9.1 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.2 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.95 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 13.5 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6.1 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 9.1 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 10.3 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 11.7 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6.2 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6.3 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 11.7 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 13.3 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 13.5 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6.1 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.2 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 10.3 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 554.6 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 312.8 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 132.61 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 135.53 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 102.58 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 104.67 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 150.95 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 154.29 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 116.76 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 119.26 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 331.5 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 312.8 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 283.6 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 100.1 lb/d | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 379.5 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 312.8 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 171.8 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 175.56 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 487.9 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 312.8 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 258.5 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 262.7 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 195.16 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 199.74 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 222.26 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 208.5 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 563 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 254.4 lb/d | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 291.9 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 300.24 lb/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 429.5 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 312.8 lb/d | May | 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 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | 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 |
| Chloride [as Cl] | monthly average | report only (lb/d) | all year | 001 |
| Lead, total recoverable | monthly average | ≤ 3.8 ug/L | all year | 001 |
| Lead, total recoverable | 7-day average | ≤ 7.6 ug/L | all year | 001 |
| Lead, total recoverable | monthly average | ≤ .16 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 |
| 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 |
| Solids, total dissolved | monthly average | report only (lb/d) | all year | 001 |
| Mercury, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Mercury, total recoverable | 7-day average | report only (ug/L) | all year | 001 |
| Mercury, total recoverable | monthly average | report only (lb/d) | 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 | ≤ 10 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 15 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 417 lb/d | all year | 001 |
| Sulfate | monthly average | report only (mg/L) | all year | 001 |
| Sulfate | 7-day average | report only (mg/L) | all year | 001 |
| Sulfate | monthly average | report only (lb/d) | all year | 001 |
| Oxygen, dissolved [DO] | instantaneous minimum | report only (mg/L) | all year | 010N |
| pH | minimum | ≥ 6 SU | all year | 010N |
| pH | maximum | ≤ 9 SU | all year | 010N |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 010N |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 010N |
| Solids, total suspended | monthly average | ≤ 1251 lb/d | all year | 010N |
| Solids, total suspended | daily maximum | ≤ 1876.5 lb/d | all year | 010N |
| Oil & Grease | monthly average | ≤ 417 lb/d | all year | 010N |
| Oil & Grease | daily maximum | ≤ 625.5 lb/d | all year | 010N |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 354.4 lb/d | May–Oct | 010N |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1146.7 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 010N |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 446 lb/d | May–Oct | 010N |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1634 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 010N |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 010N |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 010N |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 010N |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 010N |
| Selenium, total recoverable | monthly average | ≤ 1.65 lb/d | all year | 010N |
| Selenium, total recoverable | daily maximum | ≤ 3.3 lb/d | all year | 010N |
| Nickel, total recoverable | monthly average | ≤ 35.58 lb/d | all year | 010N |
| Nickel, total recoverable | daily maximum | ≤ 71.38 lb/d | all year | 010N |
| Silver total recoverable | monthly average | ≤ .2 lb/d | all year | 010N |
| Silver total recoverable | daily maximum | ≤ .39 lb/d | all year | 010N |
| Zinc, total recoverable | monthly average | ≤ 18.38 lb/d | all year | 010N |
| Zinc, total recoverable | daily maximum | ≤ 36.88 lb/d | all year | 010N |
| Cadmium, total recoverable | monthly average | ≤ .56 lb/d | all year | 010N |
| Cadmium, total recoverable | daily maximum | ≤ 1.12 lb/d | all year | 010N |
| Lead, total recoverable | monthly average | ≤ 1 lb/d | all year | 010N |
| Lead, total recoverable | daily maximum | ≤ 2 lb/d | all year | 010N |
| Copper, total recoverable | monthly average | ≤ 2.06 lb/d | all year | 010N |
| Copper, total recoverable | daily maximum | ≤ 4.13 lb/d | all year | 010N |
| Chromium, hexavalent dissolved [as Cr] | monthly average | ≤ 2.41 lb/d | all year | 010N |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | ≤ 4.83 lb/d | all year | 010N |
| Chromium, trivalent total recoverable | monthly average | ≤ 98.79 lb/d | all year | 010N |
| Chromium, trivalent total recoverable | daily maximum | ≤ 198.22 lb/d | all year | 010N |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 010N |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 5 MGD | all year | 010N |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 010N |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 010N |
| Mercury, total recoverable | daily maximum | < .19 ug/L | all year | 010N |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | May–Sep | 010N |
| Coliform, fecal general | 30-day geometric mean | ≤ 1000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 010N |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | May–Sep | 010N |
| Coliform, fecal general | 7-day geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 010N |
| Cyanide, total recoverable | monthly average | ≤ 1.71 lb/d | all year | 010N |
| Cyanide, total recoverable | daily maximum | ≤ 3.43 lb/d | all year | 010N |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 010N |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 22.5 mg/L | May–Oct | 010N |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 39 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 010N |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 33.8 mg/L | May–Oct | 010N |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 945.3 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 010N |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 799.3 lb/d | May–Oct | 010N |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 1417.95 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 010N |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 1198.95 lb/d | May–Oct | 010N |
| Sulfate | monthly average | report only (mg/L) | all year | 010N |
| Sulfate | daily maximum | report only (mg/L) | all year | 010N |
| 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 |
| WET, sublethal retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity - Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 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 |
| 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 | TX1N |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1N |
| WET, sublethal retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1N |
| WET, sublethal retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1N |
| Whole Effluent Toxicity - Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1N |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1N |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1N |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1N |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1N |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1N |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1N |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1N |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1N |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1N |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1N |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1N |
Cited limits by parameter: Arkansas's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/AR0033936 · MCP: https://passage-data.com/mcp