PRASA Ponce Vieja WTP

NPDES permit PR0022781 · Minor NON-POTW · effective, expires 2029-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (20)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX <= 30 deg C all year
001TurbidityDAILY MX <= 50 NTU all year
001TurbidityDAILY MX <= 100 NTU all year
001Color [PT-CO units]DAILY MX <= 15 col unit (pc) all year
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, settleableDAILY MX report only all year
001Arsenic, total [as As]DAILY MX <= 10 ug/L all year
001Arsenic, total [as As]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX <= 14.28 ug/L all year
001Copper, total [as Cu]DAILY MX <= 110.5 ug/L all year
001Flow, in conduit or thru treatment plantDAILY MX <= .256 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 11 ug/L all year
001Whole Effluent Toxicity [WET] - P. promelasMINIMUM report only all year
001Whole Effluent Toxicity [WET] - D. magnaMINIMUM report only all year
001Mercury, total [as Hg]DAILY MX <= .05 ug/L all year
001Mercury, total [as Hg]DAILY MX report only all year
001Ammonia & ammonium- totalDAILY MX <= .38 mg/L all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states