PRASA GUAYAMA WTP

NPDES permit PR0022578 · Minor NON-POTW · effective, expires 2029-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

5values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

Last period with anything received: 2026-08-31. Most often over: Ammonia & ammonium- total (2), Turbidity (2), BOD, 5-day, 20 deg. C (1).

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
001Color [PT-CO units]QB <= 15 col unit (pc) all year
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 5 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, settleableDAILY MX report only all year
001Cyanide, total [as CN]QB <= 4 ug/L all year
001Copper, total [as Cu]DAILY MX <= 9.3 ug/L all year
001Copper, total [as Cu]DAILY MX <= 38.96 ug/L all year
001Lead, total [as Pb]DAILY MX <= 3.2 ug/L all year
001Flow, in conduit or thru treatment plantDAILY MX <= .17 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
001Solids, total dissolvedDAILY MX <= 500 mg/L all year
001Ammonia & ammonium- totalDAILY MX <= .081 mg/L all year
001Ammonia & ammonium- totalDAILY MX <= .18 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