ROCHESTER, TOWN OF

NPDES permit NH0100668 · Major POTW · effective, expires 2028-06-30 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 35 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli (1).

Reporting

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

Limits in force (200)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]MINIMUM >= 7 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8 SU all year
001pHDAILY MX report only all year
001Solids, total suspendedMO AVG <= 6 mg/L Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 13 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedWKLY AVG <= 6 mg/L Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG <= 21 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedDAILY MX report only Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG <= 252 lb/d Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 546 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedDAILY MX report only Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedWKLY AVG <= 252 lb/d Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG <= 882 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 6.3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG report only all year
001Nitrogen, ammonia total [as N]WKLY AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 4.31 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 26.3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]MO AVG <= 3.07 mg/L all year
001Phosphorus, total [as P]MO AVG <= 6.8 mg/L Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]MO AVG <= .12 lb/d Apr, May, Jun, Jul
001Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]MO AVG <= .12 lb/d Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Carbon, tot organic [TOC]DAILY MX report only all year
001Carbon, tot organic [TOC]DAILY MX report only all year
001Carbon, dissolved organic [as C]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001Aluminum, total [as Al]DAILY MX 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
001Flow, in conduit or thru treatment plantROLL AVG <= 5.03 MGD all year
001E. coliMO AVG <= 126 #/100mL all year
001E. coliDAILY MX <= 406 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 13 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 6 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 21 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 6 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 23 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 9 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 546 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 252 lb/d Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 965 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 378 lb/d Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 252 lb/d Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 882 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
001LC50 Static Renewal 48Hr Acute Pimephales promelasMINIMUM >= 100 % all year
001NOEL Static 7Day Chronic Ceriodaphnia dubiaMINIMUM >= 77 % all year
001NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM >= 77 % all year
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

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