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Sewage treatment plant, Kinder, Louisiana. NPDES permit LA0020605, in force until Sep 30, 2029. Last 12 months: over a limit 4 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Solids, total suspended, monthly average | 16 mg/L | ≤ 15 mg/L | 7% |
| October 2025 | Solids, total suspended, weekly average | 48 mg/L | ≤ 23 mg/L | 109% |
| January 2026 | Solids, total suspended, weekly average | 27 mg/L | ≤ 23 mg/L | 17% |
| February 2026 | Solids, total suspended, monthly average | 16 mg/L | ≤ 15 mg/L | 7% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 6 mg/L | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 23 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 76 lb/d | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | 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 | weekly average | report only (MGD) | all year | 001 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 5 mg/L | Jun–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, May, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 8 mg/L | Jun–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, May, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 lb/d | Jun–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 50 lb/d | Jan, Feb, Mar, Apr, May, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Jun–Nov | 01A |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, May, Dec | 01A |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 4 mg/L | Jun–Nov | 01A |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 20 mg/L | Jan, Feb, Mar, Apr, May, Dec | 01A |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 lb/d | Jun–Nov | 01A |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 25 lb/d | Jan, Feb, Mar, Apr, May, Dec | 01A |
| Parameter | New limit | From | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|---|
| Chlorine, total residual, instantaneous maximum outfall 001 | 0.033 mg/L | Oct 1, 2027 | new | 0.74 mg/L (9 values) | 22.4× |
| Nitrogen, ammonia total [as N], monthly average outfall 01A | 12.3 lb/d (Jan, Feb, Mar, Apr, May, Dec) | Sep 30, 2029 | tighter | 0.33 lb/d (6 values) | 0.0268× |
| Nitrogen, ammonia total [as N], monthly average outfall 01A | 2.4 mg/L (Jan, Feb, Mar, Apr, May, Dec) | Sep 30, 2029 | tighter | 0.1 mg/L (6 values) | 0.0417× |
| Nitrogen, ammonia total [as N], weekly average outfall 01A | 5.8 mg/L (Jan, Feb, Mar, Apr, May, Dec) | Sep 30, 2029 | tighter | 0.12 mg/L (6 values) | 0.0207× |
Cited limits by parameter: Louisiana's rules and the federal ones.
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