Velarion Records

Clean Water Act discharge permit · NPDES PR0021679

PRASA VEGA BAJA WWTP, Vega Baja, PR: NPDES PR0021679 discharge permit, effluent exceedances, inspections, penalties

PRASA VEGA BAJA WWTP, held by PRASA VEGA BAJA STP, holds NPDES permit PR0021679, which discharges to Cano Cabo Caribe. 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 filedPRASA VEGA BAJA WWTP
Permittee as filedPRASA VEGA BAJA STP
NPDES IDPR0021679
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedNovember 17, 2017
Expiration dateJanuary 31, 2023
AddressVega Baja, PR 00693
Receiving waterCANO CABO CARIBE
Receiving water impaired303(D) Listed
SubwatershedRio Cibuco-Cienaga Prieta-Laguna Tortuguero Coastal Watershed (HUC 210100020107)
Program components on filePOTW, Pretreatment
SIC4952 – Sewerage Systems
Other EPA IDs (FRS)RCRA handler PRD000691600

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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, 5-day, 20 deg. C10321249September 30, 20253,743% over the limit
Solids, total suspended6207136June 30, 20191,820% over the limit
Chlorine, total residual1137125July 31, 20237,900% over the limit
Phosphorus, total [as P]211298December 31, 202146,300% over the limit
Flow, in conduit or thru treatment plant311989June 30, 2014424% over the limit
Ammonia & ammonium- total110288June 30, 20262,858% over the limit
Arsenic, total [as As]09785December 31, 201115,456% over the limit
Oxygen, dissolved [DO]19482December 31, 2020100% over the limit
Solids, total dissolved- 180 deg. C08173April 30, 20123,100% over the limit
Mercury, total [as Hg]16251November 30, 201449,900% over the limit
Surfactants [MBAS]15749February 28, 201199,999% over the limit
Solids, total dissolved14541April 30, 2026340% over the limit
Copper, total [as Cu]25438February 28, 201199,999% over the limit
BOD, 5-day, percent removal15137February 29, 2024525% over the limit
Solids, suspended percent removal15137June 30, 2019511% over the limit
Phenolics, total recoverable04437November 30, 200586,900% over the limit
Color [PT-CO units]25135April 30, 2012
Cadmium, total [as Cd]03927September 30, 20131,257% over the limit
Coliform, fecal general03523January 31, 201599,999% over the limit
Coliform, total general03221August 31, 201499,999% over the limit
Coliform, fecal - % samples exceeding limit03120January 31, 201599,999% over the limit
Nitrite + Nitrate total [as N]02513January 31, 201041,700% over the limit
Manganese, total [as Mn]02711October 31, 200579,900% over the limit
Cyanide, free available12110March 31, 2019379% over the limit
Nitrogen, ammonia, total [as NH3]01510January 31, 2018440% over the limit
Enterococci4208June 30, 2026457,043% over the limit
Oil & Grease1223March 31, 20082,850% over the limit
Turbidity1193March 31, 2005
Nitrogen, total [as N]2102June 30, 2026517% over the limit
pH2331May 31, 2008
Sulfide, total [as S]0141July 31, 201150% over the limit
Temperature, water deg. centigrade1160
Solids, settleable1160
Fluoride, total [as F]090
Cyanide, total [as CN]080
2-Chlorophenol060
2,4-Dichlorophenol060
2,4-Dimethylphenol060
2,4-Dinitrophenol060
2,4,6-Trichlorophenol060
Sulfide-hydrogen sulfide [undissociated]150
2-Methyl-4,6-dinitrophenol050
Sulfate, total [as SO4]240
Whole Effluent Toxicity [WET] - P. promelas220
Whole Effluent Toxicity [WET] - D. magna220

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

DateWhat EPA recordedAgency
September 10, 2026PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)]EP6
September 4, 2026Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangermentEP6
August 15, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
March 30, 2026Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environmentEP6
March 28, 2026Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environmentEP6
February 11, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
January 28, 2026PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)]EP6
January 22, 2026Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangermentEP6
December 10, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
December 6, 2025Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
December 1, 2025Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environmentEP6
November 12, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
October 20, 2025Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangermentEP6
September 26, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
September 20, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 19, 2025Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 18, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 6, 2025Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6

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.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

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