HAVERHILL W P A F

NPDES permit MA0101621 · Major POTW · administratively continued, expires 2024-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2024-11-30 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

0values over a limit
0required values missing, on 0 form(s)
0of 25 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among MA permits in EPA's filings — check your permit).

Limits in force (62)

OutfallParameterStatisticLimitMonths
046Temperature, water deg. centigradeDAILY MX report only Jan, Apr, Jul, Oct
046BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
046BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
046BOD, 5-day, 20 deg. CDAILY MX report only all year
046BOD, 5-day, 20 deg. CMO AVG <= 4500 lb/d all year
046BOD, 5-day, 20 deg. CDAILY MX report only all year
046BOD, 5-day, 20 deg. CWKLY AVG <= 6755 lb/d all year
046BOD, 5-day, 20 deg. CMO AVG report only all year
046pHMINIMUM >= 6.5 SU all year
046pHMAXIMUM <= 8.5 SU all year
046pHMAXIMUM report only Jan, Apr, Jul, Oct
046Solids, total suspendedMO AVG <= 30 mg/L all year
046Solids, total suspendedWKLY AVG <= 45 mg/L all year
046Solids, total suspendedDAILY MX report only all year
046Solids, total suspendedMO AVG <= 4529 lb/d all year
046Solids, total suspendedDAILY MX report only all year
046Solids, total suspendedWKLY AVG <= 6793 lb/d all year
046Solids, total suspendedMO AVG report only all year
046Nitrogen, total [as N]MO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
046Nitrogen, total [as N]MO AVG report only Jan, Feb, Mar, Nov, Dec
046Nitrogen, total [as N]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
046Nitrogen, Kjeldahl, total [as N]MO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
046Nitrogen, Kjeldahl, total [as N]MO AVG report only Jan, Feb, Mar, Nov, Dec
046Nitrogen, Kjeldahl, total [as N]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
046Nitrite + Nitrate total [as N]MO AVG report only Jan, Feb, Mar, Nov, Dec
046Nitrite + Nitrate total [as N]MO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
046Nitrite + Nitrate total [as N]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
046Phosphorus, total [as P]MO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
046Phosphorus, total [as P]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
046Phosphorus, total [as P]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
046Carbon, tot organic [TOC]DAILY MX report only Jan, Apr, Jul, Oct
046Carbon, tot organic [TOC]DAILY MX report only Jan, Apr, Jul, Oct
046Carbon, dissolved organic [as C]DAILY MX report only Jan, Apr, Jul, Oct
046Carbon, dissolved organic [as C]DAILY MX report only Jan, Apr, Jul, Oct
046Hardness, total [as CaCO3]DAILY MX report only Jan, Apr, Jul, Oct
046Hardness, total [as CaCO3]DAILY MX report only Jan, Apr, Jul, Oct
046Cadmium, total [as Cd]DAILY MX report only Jan, Apr, Jul, Oct
046Cadmium, total [as Cd]DAILY MX report only Jan, Apr, Jul, Oct
046Copper, total [as Cu]DAILY MX report only Jan, Apr, Jul, Oct
046Copper, total [as Cu]DAILY MX report only Jan, Apr, Jul, Oct
046Lead, total [as Pb]DAILY MX report only Jan, Apr, Jul, Oct
046Lead, total [as Pb]DAILY MX report only Jan, Apr, Jul, Oct
046Nickel, total [as Ni]DAILY MX report only Jan, Apr, Jul, Oct
046Nickel, total [as Ni]DAILY MX report only Jan, Apr, Jul, Oct
046Zinc, total [as Zn]DAILY MX report only Jan, Apr, Jul, Oct
046Zinc, total [as Zn]DAILY MX report only Jan, Apr, Jul, Oct
046Aluminum, total [as Al]DAILY MX report only Jan, Apr, Jul, Oct
046Aluminum, total [as Al]DAILY MX report only Jan, Apr, Jul, Oct
046Flow, in conduit or thru treatment plantROLL AVG <= 18.1 MGD all year
046Flow, in conduit or thru treatment plantDAILY MX report only all year
046Flow, in conduit or thru treatment plantMO AVG report only all year
046Chlorine, total residualMO AVG <= .4 mg/L all year
046Chlorine, total residualDAILY MX <= .7 mg/L all year
046Nitrogen, Ammonia TotalDAILY MX report only Jan, Apr, Jul, Oct
046Nitrogen, Ammonia TotalDAILY MX report only Jan, Apr, Jul, Oct
046EnterococciMO AVG <= 35 CFU/100mL all year
046EnterococciDAILY MX <= 276 CFU/100mL all year
046Coliform, fecal generalMO GEO <= 88 MPN/100mL all year
046Coliform, fecal generalDAILY MX <= 260 MPN/100mL all year
046BOD, 5-day, percent removalMO AV MN >= 85 % all year
046Solids, suspended percent removalMO AV MN > 85 % all year
046LC50 Static 48Hr Acute Pimephales promelasDAILY MN >= 100 % Jan, Apr, Jul, Oct

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