Clean Water Act discharge permit · NPDES PR0022764
PRASA COAMO WTP, Coamo, PR: NPDES PR0022764 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
PRASA COAMO WTP holds NPDES permit PR0022764, which discharges to Coamo River. EPA’s file records it issued November 17, 2017 and expiring January 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PRASA COAMO WTP |
|---|---|
| Permittee as filed | PRASA COAMO WTP |
| NPDES ID | PR0022764 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 17, 2017 |
| Expiration date | January 31, 2023 |
| Address | Coamo, PR 00769 |
| Receiving water | COAMO RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Rio Coamo at Lago Coamo Dam (HUC 210100040403) |
| SIC | 4941 – Water Supply |
| Other EPA IDs (FRS) | RCRA handler PRD980534614 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 36Pollutants on file
- 13Under a numeric limit
- 36With a violation of any kind
- 12With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 1 | 32 | 7 | October 31, 2024 | 1,010% over the limit |
| Temperature, water deg. centigrade | 1 | 30 | 6 | July 31, 2026 | 3% over the limit |
| Turbidity | 1 | 30 | 5 | January 31, 2024 | |
| Mercury, total [as Hg] | 0 | 26 | 4 | May 31, 2014 | 1,030% over the limit |
| Chlorine, total residual | 1 | 27 | 3 | July 31, 2024 | 900% over the limit |
| Lead, total [as Pb] | 0 | 25 | 3 | December 31, 2014 | 337% over the limit |
| Copper, total [as Cu] | 2 | 27 | 2 | October 31, 2013 | 2,041% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 25 | 2 | October 31, 2013 | 108% over the limit |
| Color [PT-CO units] | 1 | 26 | 1 | January 31, 2019 | |
| Oxygen, dissolved [DO] | 1 | 25 | 1 | November 30, 2013 | 23% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 8 | 1 | December 31, 2011 | 872% over the limit |
| Nitrogen, ammonia, total [as NH3] | 0 | 6 | 1 | October 31, 2013 | 119% over the limit |
| pH | 2 | 48 | 0 | ||
| Solids, settleable | 1 | 24 | 0 | ||
| Coliform, total general | 0 | 23 | 0 | ||
| Oil & Grease | 0 | 22 | 0 | ||
| Arsenic, total [as As] | 0 | 22 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 0 | 21 | 0 | ||
| Coliform, fecal general | 0 | 21 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 17 | 0 | ||
| Sulfide, total [as S] | 0 | 17 | 0 | ||
| Fluoride, total [as F] | 0 | 17 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 0 | 17 | 0 | ||
| 2-Chlorophenol | 0 | 17 | 0 | ||
| 2,4-Dichlorophenol | 0 | 17 | 0 | ||
| 2,4-Dimethylphenol | 0 | 17 | 0 | ||
| 2,4-Dinitrophenol | 0 | 17 | 0 | ||
| 2,4,6-Trichlorophenol | 0 | 17 | 0 | ||
| Surfactants [MBAS] | 0 | 17 | 0 | ||
| Pentachlorophenol | 0 | 17 | 0 | ||
| Solids, total dissolved- 180 deg. C | 0 | 17 | 0 | ||
| Ammonia & ammonium- total | 1 | 9 | 0 | ||
| Zinc, total [as Zn] | 0 | 5 | 0 | ||
| Solids, total dissolved | 0 | 5 | 0 | ||
| Whole Effluent Toxicity [WET] - P. promelas | 2 | 2 | 0 | ||
| Whole Effluent Toxicity [WET] - D. magna | 2 | 2 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES PR0022764.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID PR0022764 there.
Nearby on the register
- Discharge permits in Coamo
- Every permit record in Coamo, A to Z
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- Every permit record in Puerto Rico, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.