MONTGOMERY TWP

NPDES permit NJ0022390 · Minor POTW · expired, expires 2024-06-30 · 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.

This permit expired on 2024-06-30 and is expired: 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

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

Last period with anything received: 2026-06-30. Most often over: BOD, 5-day, 20 deg. C (1), Phosphorus, total [as P] (1), Nitrogen, ammonia 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 (54)

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]INST MIN >= 4 mg/L all year
001Oxygen, dissolved [DO]DLYAVMIN >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 5 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 7 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 9.46 kg/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 13.2 kg/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001BOD, 5-day, 20 deg. CMO AV MN >= 85 % 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 <= 20 mg/L all year
001Solids, total suspendedWKLY AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 37.8 kg/d all year
001Solids, total suspendedWKLY AVG <= 56.7 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 <= 1 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 12 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 1.5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 16 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.9 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 22.71 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.84 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 30.28 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Phosphorus, total [as P]MO AVG <= .42 mg/L May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Phosphorus, total [as P]WKLY AVG report only May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]WKLY AVG <= 1 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Phosphorus, total [as P]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Phosphorus, total [as P]WKLY AVG report only May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]WKLY AVG report only Jan, Feb, Mar, Apr, Nov, Dec
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
001Nitrogen, nitrate total [as NO3]MO AVG report only all year
001Nitrogen, nitrate total [as NO3]DAILY MX report only all year
001Nitrogen, nitrate total [as NO3]MO AVG report only all year
001Nitrogen, nitrate total [as NO3]DAILY MX report only all year
001IC25 Static Renewal 7 Day Chronic ChrpimephalesMINIMUM >= 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