LEHIGH CNTY AUTH

NPDES permit PA0036081 · Minor POTW · effective, expires 2030-05-31 · 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

3values over a limit
0required values missing, on 0 form(s)
0of 14 forms filed late

Last period with anything received: 2026-06-30. Most often over: Coliform, fecal general (2), BOD, carbonaceous [5 day, 20 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 (36)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 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 <= 7.5 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG <= 10.4 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 20 mg/L May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 20 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 lb/d May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 2.1 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Nitrogen, nitrate total [as N]MO AVG <= 8.1 lb/d all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG <= 2.1 lb/d 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
001Chlorine, total residualMO AVG <= .5 mg/L all year
001Chlorine, total residualINST MAX <= 1.6 mg/L all year
001E. coliINST MAX report only all year
001Solids, total dissolvedQRTR AVG <= 1000 mg/L all year
001Coliform, fecal generalGEO MEAN <= 200 #/100mL May, Jun, Jul, Aug, Sep
001Coliform, fecal generalGEO MEAN <= 2000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Coliform, fecal generalINST MAX <= 1000 #/100mL May, Jun, Jul, Aug, Sep
001Coliform, fecal generalINST MAX <= 10000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 12.5 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 20 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % 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