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Sewage treatment plant, Carolina, Puerto Rico. NPDES permit PR0026042 expired Oct 31, 2020; its limits still apply. Last 12 months: over a limit 31 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Ammonia & ammonium- total, daily maximum | 26.5 mg/L | ≤ 25 mg/L | 6% |
| October 2025 | BOD, 5-day, 20 deg. C, daily maximum | 18 mg/L | ≤ 15 mg/L | 20% |
| October 2025 | BOD, 5-day, percent removal, monthly average minimum | 28.8 % | ≥ 85 % | 375% |
| October 2025 | Surfactants [MBAS], daily maximum | 461 ug/L | ≤ 100 ug/L | 361% |
| November 2025 | Ammonia & ammonium- total, daily maximum | 45.6 mg/L | ≤ 25 mg/L | 82% |
| December 2025 | Ammonia & ammonium- total, daily maximum | 40.9 mg/L | ≤ 25 mg/L | 64% |
| December 2025 | Surfactants [MBAS], daily maximum | 208 ug/L | ≤ 100 ug/L | 108% |
| January 2026 | Ammonia & ammonium- total, daily maximum | 41 mg/L | ≤ 25 mg/L | 64% |
| January 2026 | Color [PT-CO units], daily maximum | 20 col unit (pc) | ≤ 15 col unit (pc) | — |
| January 2026 | Surfactants [MBAS], daily maximum | 1750 ug/L | ≤ 100 ug/L | 1650% |
| February 2026 | Surfactants [MBAS], daily maximum | 831 ug/L | ≤ 100 ug/L | 731% |
| March 2026 | Ammonia & ammonium- total, daily maximum | 45.9 mg/L | ≤ 25 mg/L | 84% |
| March 2026 | Color [PT-CO units], daily maximum | 25 col unit (pc) | ≤ 15 col unit (pc) | — |
| March 2026 | Surfactants [MBAS], daily maximum | 1568 ug/L | ≤ 100 ug/L | 1468% |
| April 2026 | Ammonia & ammonium- total, daily maximum | 26.1 mg/L | ≤ 25 mg/L | 4% |
| April 2026 | BOD, 5-day, 20 deg. C, daily maximum | 20 mg/L | ≤ 15 mg/L | 33% |
| April 2026 | Surfactants [MBAS], daily maximum | 1040 ug/L | ≤ 100 ug/L | 940% |
| May 2026 | Ammonia & ammonium- total, daily maximum | 44 mg/L | ≤ 25 mg/L | 76% |
| May 2026 | Coliform, fecal general, daily maximum | 1300 #/100mL | ≤ 400 #/100mL | 225% |
| May 2026 | Coliform, fecal general, monthly average | 586 #/100mL | ≤ 200 #/100mL | 193% |
| May 2026 | Copper, total [as Cu], daily maximum | 23 ug/L | ≤ 22 ug/L | 5% |
| May 2026 | Oxygen, dissolved [DO], instantaneous minimum | 4.3 mg/L | ≥ 5 mg/L | 14% |
| May 2026 | Surfactants [MBAS], daily maximum | 1730 ug/L | ≤ 100 ug/L | 1630% |
| June 2026 | Ammonia & ammonium- total, daily maximum | 44.7 mg/L | ≤ 25 mg/L | 79% |
| June 2026 | Color [PT-CO units], daily maximum | 20 col unit (pc) | ≤ 15 col unit (pc) | — |
| June 2026 | Surfactants [MBAS], daily maximum | 1040 ug/L | ≤ 100 ug/L | 940% |
| July 2026 | Ammonia & ammonium- total, daily maximum | 28.3 mg/L | ≤ 25 mg/L | 13% |
| July 2026 | Surfactants [MBAS], daily maximum | 682 ug/L | ≤ 100 ug/L | 582% |
| August 2026 | Ammonia & ammonium- total, daily maximum | 31 mg/L | ≤ 25 mg/L | 24% |
| August 2026 | Color [PT-CO units], daily maximum | 25 col unit (pc) | ≤ 15 col unit (pc) | — |
| August 2026 | Surfactants [MBAS], daily maximum | 893 ug/L | ≤ 100 ug/L | 793% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | ≤ 32.2 deg C | all year |
| Turbidity | daily maximum | ≤ 50 NTU | all year |
| Color [PT-CO units] | daily maximum | ≤ 15 col unit (pc) | all year |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 15 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, settleable | daily maximum | report only (mL/L) | all year |
| Oil & Grease | daily maximum | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | ≤ 10000 ug/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 1 mg/L | all year |
| Sulfide, total [as S] | daily maximum | ≤ 2 ug/L | all year |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year |
| Copper, total [as Cu] | daily maximum | ≤ 22 ug/L | all year |
| 2-Methyl-4,6-dinitrophenol | daily maximum | report only (ug/L) | all year |
| 2-Methyl-4,6-dinitrophenol | daily maximum | report only (ug/L) | all year |
| Coliform, fecal - % samples exceeding limit | 20% of samples | ≤ 20 % | all year |
| 2-Chlorophenol | daily maximum | report only (ug/L) | all year |
| 2-Chlorophenol | daily maximum | report only (ug/L) | all year |
| 2,4-Dichlorophenol | daily maximum | report only (ug/L) | all year |
| 2,4-Dichlorophenol | daily maximum | report only (ug/L) | all year |
| 2,4-Dinitrophenol | daily maximum | report only (ug/L) | all year |
| 2,4-Dinitrophenol | daily maximum | report only (ug/L) | all year |
| 2,4,6-Trichlorophenol | daily maximum | report only (ug/L) | all year |
| 2,4,6-Trichlorophenol | daily maximum | report only (ug/L) | all year |
| Surfactants [MBAS] | daily maximum | ≤ 100 ug/L | all year |
| Pentachlorophenol | daily maximum | report only (ug/L) | all year |
| Pentachlorophenol | daily maximum | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .1 MGD | all year |
| Chlorine, total residual | daily maximum | ≤ .5 mg/L | all year |
| Coliform, fecal general | monthly average | ≤ 200 #/100mL | all year |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year |
| Coliform, total general | daily maximum | ≤ 10000 #/100mL | all year |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
| Ammonia & ammonium- total | daily maximum | ≤ 25 mg/L | all year |
Cited limits by parameter: we hold no rule of Puerto Rico's own; 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/PR0026042 · MCP: https://passage-data.com/mcp