PRASA HUMACAO WWTP

NPDES permit PR0025399 · Major POTW · administratively continued, expires 2023-12-31 · 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.

This permit expired on 2023-12-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 15 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PR permits in EPA's filings — check your permit).

Limits in force (37)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX <= 32.2 deg C all year
001TurbidityDAILY MX <= 25.8 NTU all year
001Color [PT-CO units]DAILY MX report only all year
001Oxygen, dissolved [DO]MINIMUM report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 18.2 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 922 kg/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 2279 kg/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 1519 kg/d all year
001Solids, total suspendedWKLY AVG <= 2279 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, total [as N]DAILY MX <= 45000 ug/L all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX <= 159.6 ug/L all year
001Surfactants [MBAS]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= 13.38 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 500 ug/L all year
001Cyanide, free availableDAILY MX <= 62.6 ug/L all year
001Sulfide-hydrogen sulfide [undissociated]DAILY MX report only all year
001Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)MINIMUM report only all year
001EnterococciGEO MEAN report only all year
001Enterococci90TH % report only all year
001Mercury, total [as Hg]DAILY MX <= .116 ug/L all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001% Effect Static Chronic Arbacia punctulataMINIMUM report only all year
001NOAEL Static 48Hr Acute Cyprinodon variegatusMINIMUM report only 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