Velarion Records

Clean Water Act discharge permit · NPDES PR0023736

PRASA AGUADILLA WWTP, Aguadilla, PR: NPDES PR0023736 discharge permit, effluent exceedances, inspections, penalties

PRASA AGUADILLA WWTP, held by PRASA AGUADILLA RWWTP, holds NPDES permit PR0023736, which discharges to Oceano Aclantico. EPA’s file records it issued February 19, 2003 and expiring March 31, 2008. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedPRASA AGUADILLA WWTP
Permittee as filedPRASA AGUADILLA RWWTP
NPDES IDPR0023736
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
IssuedFebruary 19, 2003
Expiration dateMarch 31, 2008
AddressAguadilla, PR 00603
Receiving waterOCEANO ACLANTICO
Other EPA IDs (FRS)RCRA handler PRR000002758

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Chlorine, total residual111197February 28, 2023900% over the limit
Flow, in conduit or thru treatment plant28658September 30, 2015137,100% over the limit
Solids, total suspended415454June 30, 2026826% over the limit
Coliform, fecal general29240February 28, 202699,999% over the limit
Coliform, fecal - % samples exceeding limit117538May 31, 2026400% over the limit
Copper, total [as Cu]24729August 31, 2010144% over the limit
Coliform, total general13019June 30, 201599,999% over the limit
Nickel, total [as Ni]13214December 31, 2025303% over the limit
Enterococci - % of upper confidence limit03910February 28, 202633% over the limit
BOD, 5-day, 20 deg. C41097February 28, 2018242% over the limit
Zinc, total [as Zn]2257May 31, 202340% over the limit
Turbidity1196June 30, 2013
Phenolics, total recoverable2145May 31, 2006171% over the limit
Solids, suspended percent removal1184May 31, 202626% over the limit
Sulfide, total [as S]094August 31, 1997140% over the limit
pH2242April 30, 2010
Sulfide-hydrogen sulfide [undissociated]1232January 31, 2017685% over the limit
Silver, total [as Ag]1212June 30, 199772% over the limit
Arsenic, total [as As]2172February 28, 200714,900% over the limit
BOD, 5-day, percent removal1162November 30, 199910% over the limit
Cyanide, total [as CN]2131August 31, 2010772% over the limit
Cyanide, free available071December 31, 2022158% over the limit
Nitrogen, Total as NO3 + NH311330
Mercury, total [as Hg]1190
Surfactants [MBAS]1150
Nitrogen, Kjeldahl, total [as N]1140
% Effect Static Chronic Arbacia punctulata0140
NOEC Sub-Lethal Static Renewal 7 Day Chronic Cyprinodeon variegatus0140
% Growth Reduction Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)0140
Color [PT-CO units]2130
Oil & Grease2130
Temperature, water deg. centigrade1130
Oxygen, dissolved [DO]1130
Solids, settleable1110
Cadmium, total [as Cd]1110
Lead, total [as Pb]1100
Manganese, total [as Mn]290
Thallium, total [as Tl]090
Antimony, total [as Sb]090
Barium, total [as Ba]080
Boron, total [as B]080
Chromium, total [as Cr]080
Selenium, total [as Se]080
Fluoride, total [as F]050
Enterococci050
Nitrogen, total [as N]040
Nitrite + Nitrate total [as N]040

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
August 31, 2026Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 25, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 22, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 18, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 4, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 3, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 17, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 17, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 16, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 16, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 15, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 13, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 10, 2026Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 10, 2026Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 8, 2026Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 8, 2026Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 7, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
June 25, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
June 23, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
May 26, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
May 21, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
May 17, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
May 14, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
April 30, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
April 23, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
February 24, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
February 20, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
February 11, 2026Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangermentEP6
February 9, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
February 9, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
February 2, 2026Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
January 20, 2026Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangermentEP6
January 13, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
December 19, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
December 16, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
November 13, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
November 7, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
October 16, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
September 26, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
September 3, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 28, 2025Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 28, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 27, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 22, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 21, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
January 24, 2017Management Practice Violations - Improper Operation and MaintenanceEP6

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 September 15, 2026.

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