Swansea Water District

NPDES permit MA0103390 · Minor NON-POTW · effective, expires 2030-06-30 · 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.

EPA's record, 2025-09-01 to 2026-08-31

3values over a limit
0required values missing, on 0 form(s)
0of 22 forms filed late

Last period with anything received: 2026-08-31. Most often over: Solids, total suspended (2), Salinity (1).

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 (169)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only Jun, Sep
001Oxygen, dissolved [DO]MINIMUM report only all year
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001pHDAILY MX report only Jun, Sep
001pHDAILY MX report only Jun, Sep
001SalinityDAILY MX <= 42 ppk Jul, Aug, Sep
001SalinityDAILY MX <= 32 ppk Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001SalinityDAILY MX report only Jun, Sep
001Solids, totalDAILY MX report only Jun, Sep
001Solids, total suspendedMO AVG <= 20 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Solids, total suspendedMO AVG <= 40 mg/L Jun, Jul, Aug, Sep
001Solids, total suspendedWKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Solids, total suspendedWKLY AVG <= 70 mg/L Jun, Jul, Aug, Sep
001Solids, total suspendedDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Solids, total suspendedDAILY MX report only Jun, Jul, Aug, Sep
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only Jun, Sep
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only Jun, Sep
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
001Carbon, tot organic [TOC]DAILY MX report only Jun, Sep
001Carbon, tot organic [TOC]DAILY MX report only Jun, Sep
001Cadmium, total [as Cd]DAILY MX report only Jun, Sep
001Cadmium, total [as Cd]DAILY MX report only Jun, Sep
001Copper, total [as Cu]DAILY MX report only Jun, Sep
001Copper, total [as Cu]DAILY MX report only Jun, Sep
001Lead, total [as Pb]DAILY MX report only Jun, Sep
001Lead, total [as Pb]DAILY MX report only Jun, Sep
001Nickel, total [as Ni]DAILY MX report only Jun, Sep
001Nickel, total [as Ni]DAILY MX report only Jun, Sep
001Zinc, total [as Zn]DAILY MX report only Jun, Sep
001Zinc, total [as Zn]DAILY MX report only Jun, Sep
001Copper, total recoverableDAILY MX <= 31.6 ug/L 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
001Flow, in conduit or thru treatment plantMO AVG <= 2.71 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= 70.2 ug/L all year
001Chlorine, total residualDAILY MX <= 121.7 ug/L all year
001Chlorine, total residualDAILY MX report only Jun, Sep
001LC50 Static 48Hr Acute MenidiaDAILY MN >= 100 % Jun, Sep
001Noel Statre 7Day Chronic MenidiaDAILY MN >= 11 % Jun, Sep
PFASPerfluorooctanoic acid (PFOA)DAILY MX report only all year
PFASPerfluorooctanoic acid (PFOA)DAILY MX report only all year
PFASPerfluorooctanoic acid (PFOA)DAILY MX report only all year
PFASPerfluorobutanoic acid (PFBA)DAILY MX report only all year
PFASPerfluorobutanoic acid (PFBA)DAILY MX report only all year
PFASPerfluorobutanoic acid (PFBA)DAILY MX report only all year
PFASPerfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
PFASPerfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
PFASPerfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
PFASPerfluoropentanoic acid (PFPeA)DAILY MX report only all year
PFASPerfluoropentanoic acid (PFPeA)DAILY MX report only all year
PFASPerfluoropentanoic acid (PFPeA)DAILY MX report only all year
PFASPerfluorohexanoic acid (PFHxA)DAILY MX report only all year
PFASPerfluorohexanoic acid (PFHxA)DAILY MX report only all year
PFASPerfluorohexanoic acid (PFHxA)DAILY MX report only all year
PFASPerfluoroheptanoic acid (PFHpA)DAILY MX report only all year
PFASPerfluoroheptanoic acid (PFHpA)DAILY MX report only all year
PFASPerfluoroheptanoic acid (PFHpA)DAILY MX report only all year
PFASPerfluorononanoic acid (PFNA)DAILY MX report only all year
PFASPerfluorononanoic acid (PFNA)DAILY MX report only all year
PFASPerfluorononanoic acid (PFNA)DAILY MX report only all year
PFASPerfluorodecanoic acid (PFDA)DAILY MX report only all year
PFASPerfluorodecanoic acid (PFDA)DAILY MX report only all year
PFASPerfluorodecanoic acid (PFDA)DAILY MX report only all year
PFASPerfluoroundecanoic acid (PFUnA)DAILY MX report only all year
PFASPerfluoroundecanoic acid (PFUnA)DAILY MX report only all year
PFASPerfluoroundecanoic acid (PFUnA)DAILY MX report only all year
PFASPerfluorododecanoic acid (PFDoA)DAILY MX report only all year
PFASPerfluorododecanoic acid (PFDoA)DAILY MX report only all year
PFASPerfluorododecanoic acid (PFDoA)DAILY MX report only all year
PFASPerfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
PFASPerfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
PFASPerfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
PFASPerfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
PFASPerfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
PFASPerfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
PFASN-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
PFASN-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
PFASN-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
PFASN-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
PFASN-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
PFASN-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
PFASN-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
PFASN-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
PFASN-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
PFASN-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
PFASN-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
PFASN-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
PFASPerfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
PFASPerfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
PFASPerfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
PFASPerfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
PFASPerfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
PFASPerfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
PFASPerfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
PFASPerfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
PFASPerfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
PFASPerfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
PFASPerfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
PFASPerfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
PFASPerfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
PFASPerfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
PFASPerfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
PFAS1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
PFAS1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
PFAS1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
PFAS1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
PFAS1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
PFAS1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
PFAS1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
PFAS1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
PFAS1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
PFASPerfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
PFASPerfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
PFASPerfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
PFASPerfluorononanesulfonic acid (PFNS)DAILY MX report only all year
PFASPerfluorononanesulfonic acid (PFNS)DAILY MX report only all year
PFASPerfluorononanesulfonic acid (PFNS)DAILY MX report only all year
PFASHexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
PFASHexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
PFASHexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
PFASNonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
PFASNonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
PFASNonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
PFASPerfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
PFASPerfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
PFASPerfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
PFASPerfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
PFASPerfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
PFASPerfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
PFAS4,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
PFAS4,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
PFAS4,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
PFASN-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
PFASN-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
PFASN-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
PFASN-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
PFASN-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
PFASN-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
PFAS3-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
PFAS3-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
PFAS3-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
PFASPerfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
PFASPerfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
PFASPerfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
PFAS9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
PFAS9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
PFAS9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
PFAS11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
PFAS11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
PFAS11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
PFAS3-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
PFAS3-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
PFAS3-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
PFASPerfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
PFASPerfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
PFASPerfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
PFAS2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year
PFAS2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year
PFAS2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year
PFASFluorine, adsorbable organicDAILY MX report only all year
PFASFluorine, adsorbable organicDAILY MX 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