LYNN REGIONAL W P C F

NPDES permit MA0100552 · Major POTW · administratively continued, expires 2012-05-31 · 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 2012-05-31 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

89values over a limit
0required values missing, on 0 form(s)
7of 27 forms filed late

Last period with anything received: 2026-08-31. Most often over: BOD, 5-day, 20 deg. C (34), Solids, total suspended (29), Solids, suspended percent removal (11).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (62)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 46 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 46 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 6459 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 9688 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHMINIMUM >= 6.2 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 46 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 53 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 6459 lb/d all year
001Solids, total suspendedWKLY AVG <= 9688 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Copper, total [as Cu]MO AVG report only all year
001Copper, total [as Cu]DAILY MX <= .11 mg/L all year
001Flow, in conduit or thru treatment plant1D <= 25.8 MGD 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 <= 143 ug/L all year
001Chlorine, total residualDAILY MX <= 247 ug/L all year
001EnterococciMOAV GEO report only all year
001EnterococciDAILY MX report only all year
001Coliform, fecal generalMO GEO <= 88 CFU/100mL all year
001Coliform, fecal generalDAILY MX <= 260 CFU/100mL all year
001BOD, 5-day, percent removalDAILY MN >= 85 % all year
001Solids, suspended percent removalDAILY MN >= 85 % all year
001LC50 Static 48Hr Acute MenidiaDAILY MN >= 100 % Mar, Jun, Sep, Dec
001NOEL Static 7Day Chronic MenidiaDAILY MN >= 5.26 % Mar, Jun, Sep, Dec
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
002BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002pHMINIMUM >= 6.2 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedWKLY AVG <= 45 mg/L all year
002Solids, total suspendedDAILY MX report only all year
002Oil & GreaseMO AVG report only all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Copper, total [as Cu]MO AVG report only all year
002Copper, total [as Cu]DAILY MX <= 5.8 ug/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualMO AVG <= 7.5 ug/L all year
002Chlorine, total residualDAILY MX <= 13 ug/L all year
002EnterococciMOAV GEO report only all year
002EnterococciDAILY MX report only all year
002Coliform, fecal generalMO GEO <= 88 CFU/100mL all year
002Coliform, fecal generalDAILY MX <= 260 CFU/100mL all year
002BOD, 5-day, percent removalDAILY MN report only all year
002Solids, suspended percent removalDAILY MN 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