VILLAGE OF RIDGEWOOD

NPDES permit NJ0024791 · Major POTW · effective, expires 2031-03-31 · 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

9values over a limit
0required values missing, on 0 form(s)
3of 10 forms filed late

Last period with anything received: 2026-06-30. Most often over: Phosphorus, total [as P] (8), Nitrogen, nitrate total [as N] (1).

Reporting

Reports are due about 26 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (73)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMINIMUM report only all year
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeMAXIMUM report only all year
001Temperature, water deg. centigradeMINIMUM report only all year
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeMAXIMUM report only all year
001Oxygen, dissolved [DO]MN WK AV >= 6 mg/L all year
001Oxygen, dissolved [DO]DLYAVMIN report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 567 kg/d all year
001Solids, total suspendedWKLY AVG <= 851 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedMO AV MN >= 85 % all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 13.3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 21.8 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 6.5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 252 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 75.7 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 413 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 123 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]DAILY MX <= 31.8 mg/L all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= 4.3 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 5.2 mg/L all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Copper, total recoverableMO AVG <= 16.44 ug/L all year
001Copper, total recoverableDAILY MX <= 22.5 ug/L all year
001Copper, total recoverableMO AVG <= 311.2 g/d all year
001Copper, total recoverableDAILY MX <= 424.8 g/d all year
001Chlorine produced oxidantsMO AVG <= .02 mg/L all year
001Chlorine produced oxidantsDAILY MX <= .03 mg/L all year
001Chlorine produced oxidantsMO AVG <= .38 kg/d all year
001Chlorine produced oxidantsDAILY MX <= .56 kg/d all year
001ChlorodibromomethaneMO AVG report only all year
001ChlorodibromomethaneDAILY MX report only all year
001ChlorodibromomethaneMO AVG report only all year
001ChlorodibromomethaneDAILY MX report only all year
001Bromodichloromethane, effluentMO AVG report only all year
001Bromodichloromethane, effluentDAILY MX report only all year
001Bromodichloromethane, effluentMO AVG report only all year
001Bromodichloromethane, effluentDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001E. coliMOAV GEO <= 126 #/100mL all year
001E. coliINST MAX report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedWKLY AVG report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedWKLY AVG report only all year
001Mercury, total recoverableMO AVG report only all year
001Mercury, total recoverableDAILY MX report only all year
001Mercury, total recoverableMO AVG report only all year
001Mercury, total recoverableDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 16 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 24 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 303 kg/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 454 kg/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MO AV MN >= 85 % all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM >= 35 % 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