Velarion Records

Clean Water Act discharge permit · NPDES PR0025356

PRASA CAYEY WWTP, Bo.Rincon Of Cidra, PR: NPDES PR0025356 discharge permit, effluent exceedances, inspections, penalties

PRASA CAYEY WWTP, held by PRASA CAYEY RWWTP, holds NPDES permit PR0025356, which discharges to La Plata River. EPA’s file records it issued September 28, 2016 and expiring November 30, 2021. 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 CAYEY WWTP
Permittee as filedPRASA CAYEY RWWTP
NPDES IDPR0025356
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
IssuedSeptember 28, 2016
Expiration dateNovember 30, 2021
AddressBo.Rincon Of Cidra, PR 00743
Receiving waterLA PLATA RIVER
Receiving water impaired303(D) Listed
SubwatershedRio de la Plata at Represa Comerio Dam (HUC 210100050707)
Other EPA IDs (FRS)RCRA handler PRR000006924

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
Color [PT-CO units]4209196June 30, 2025
BOD, 5-day, 20 deg. C6285194April 30, 2019411% over the limit
Phosphorus, total [as P]5187174February 28, 202227,300% over the limit
Chlorine, total residual2166156January 31, 2019636,264% over the limit
Copper, total [as Cu]2144133June 30, 20192,991% over the limit
Solids, suspended percent removal1140125April 30, 2019227% over the limit
Surfactants [MBAS]1124114December 31, 20071,380% over the limit
Phenolics, total recoverable0109103May 31, 200632,500% over the limit
Flow, in conduit or thru treatment plant311991August 31, 201171,606% over the limit
Ammonia & ammonium- total211185May 31, 20261,122,268% over the limit
Solids, total suspended617980April 30, 2019611% over the limit
Mercury, total [as Hg]08173June 30, 201476,567% over the limit
Arsenic, total [as As]07362September 30, 20151,956% over the limit
Nitrite + Nitrate total [as N]05749September 30, 201486,081% over the limit
Nitrogen, ammonia, total [as NH3]05149March 31, 20162,219,900% over the limit
Zinc, total [as Zn]25847December 31, 2012222% over the limit
Lead, total [as Pb]05544May 31, 200618,321% over the limit
Manganese, total [as Mn]05444May 31, 2006304% over the limit
Cadmium, total [as Cd]03930May 31, 2006285% over the limit
Sulfide, total [as S]03927December 31, 200049,900% over the limit
Cyanide, total [as CN]03727September 30, 200757,592% over the limit
Coliform, fecal - % samples exceeding limit03327November 30, 2016400% over the limit
BOD, 5-day, percent removal13924November 30, 200760% over the limit
Enterococci45122November 30, 2025599% over the limit
Coliform, fecal general03120November 30, 20162,240% over the limit
Silver, total [as Ag]23417November 30, 2007300% over the limit
Coliform, total general02012September 30, 2015430% over the limit
Oil & Grease1285May 31, 200747% over the limit
Nitrogen, total [as N]2204April 30, 20171,680% over the limit
Sulfide-hydrogen sulfide [undissociated]2204October 31, 2015250% over the limit
Cyanide, free available193February 29, 201259% over the limit
Solids, total dissolved183October 31, 200964% over the limit
pH2322July 31, 2010
Turbidity1152August 31, 2008
Temperature, water deg. centigrade1161February 28, 2006707% over the limit
Oxygen, dissolved [DO]1150
Solids, settleable1150
Whole Effluent Toxicity [WET] - P. promelas1100
Whole Effluent Toxicity [WET] - D. magna1100
Sulfate, total [as SO4]180
Fluoride, total [as F]080
Chromium, total [as Cr]060
Selenium, total [as Se]060
Chromium, hexavalent [as Cr]250
Chromium III020
2-Methyl-4,6-dinitrophenol010
2-Chlorophenol010
2,4-Dichlorophenol010
2,4-Dimethylphenol010
2,4-Dinitrophenol010
2,4,6-Trichlorophenol010
Phenol010
Pentachlorophenol010

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 6, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 26, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
August 6, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 28, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
July 24, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
June 20, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
May 23, 2026Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangermentEP6
March 10, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
December 31, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
November 26, 2025Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
October 17, 2025Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentEP6
September 15, 2025Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentEP6
September 1, 2025Dry-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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, PR0025356.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 PR0025356 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
We’ll email you a link to confirm. Unsubscribe any time.