HATCH MOTT MACDONALD

NPDES permit NJ0020427 · Major POTW · effective, expires 2028-09-30 · 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

20values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (7), Nitrogen, ammonia total [as N] (7), Phosphorus, total [as P] (3).

Reporting

Reports are due about 26 days after each monitoring period ends (the most common figure among NJ permits in EPA's filings — check your permit).

Limits in force (53)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeINST MIN report only all year
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeINST MAX report only all year
001Temperature, water deg. centigradeINST MIN report only all year
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeINST MAX report only all year
001Oxygen, dissolved [DO]MN WK AV >= 6 mg/L all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MIN report only all year
001pHINST MAX 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 <= 510 kg/d all year
001Solids, total suspendedWKLY AVG <= 770 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 & GreaseINST MAX <= 15 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 4.5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 3 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 7 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 34 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 76.6 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 51 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 119.2 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]DAILY MX <= 18.4 mg/L all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]DAILY MX <= 314.2 kg/d all year
001Phosphorus, total [as P]MO AVG <= .76 mg/L all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Copper, total recoverableMO AVG <= 41.9 ug/L all year
001Copper, total recoverableDAILY MX <= 68.9 ug/L all year
001Copper, total recoverableMO AVG <= 715 g/d all year
001Copper, total recoverableDAILY MX <= 1174.6 g/d all year
001Flow, in conduit or thru treatment plantRE 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
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 8 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 12 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 136 kg/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 204 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 >= 61 % 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