WINNIPESAUKEE RIVER BASIN — NPDES permit NH0100960: limits, due date and EPA's record

NPDES permit NH0100960 · Major POTW · effective, expires 2029-06-30 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-07-31. Most often over: LC50 Static 48Hr Acute Pimephales promelas (2).

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 (184)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. centigrade	DAILY MX	report only	all year
001	pH	MINIMUM	>= 6.5 SU	all year
001	pH	MAXIMUM	<= 8 SU	all year
001	pH	DAILY MX	report only	all year
001	Solids, total suspended	MO AVG	<= 30 mg/L	all year
001	Solids, total suspended	WKLY AVG	<= 45 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
001	Solids, total suspended	MO AVG	<= 2880 lb/d	all year
001	Solids, total suspended	DAILY MX	<= 4800 lb/d	all year
001	Solids, total suspended	WKLY AVG	<= 4320 lb/d	all year
001	Solids, total suspended	MO AVG	report only	all year
001	Nitrogen, total [as N]	MO AVG	report only	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Nitrogen, total [as N]	MO AVG	report only	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 34.5 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	Jan, Feb, Mar, Nov, Dec
001	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Jan, Feb, Mar, Nov, Dec
001	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Nitrite + Nitrate total [as N]	MO AVG	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Nitrite + Nitrate total [as N]	MO AVG	report only	Jan, Feb, Mar, Nov, Dec
001	Nitrite + Nitrate total [as N]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Nitrite + Nitrate total [as N]	DAILY MX	report only	Jan, Feb, Mar, Nov, Dec
001	Phosphorus, total [as P]	MO AVG	<= 199 lb/d	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Phosphorus, total [as P]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Phosphorus, total [as P]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Carbon, tot organic [TOC]	DAILY MX	report only	all year
001	Carbon, tot organic [TOC]	DAILY MX	report only	all year
001	Carbon, dissolved organic [as C]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Lead, total [as Pb]	DAILY MX	report only	all year
001	Lead, total [as Pb]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Zinc, total [as Zn]	DAILY MX	report only	all year
001	Zinc, total [as Zn]	DAILY MX	report only	all year
001	Aluminum, total [as Al]	DAILY MX	report only	all year
001	Aluminum, total [as Al]	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	ROLL AVG	<= 11.5 MGD	all year
001	E. coli	MO GEO	<= 126 MPN/100mL	all year
001	E. coli	DAILY MX	<= 406 MPN/100mL	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 40 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 45 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 2400 lb/d	all year
001	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 4320 lb/d	all year
001	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 3840 lb/d	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
001	BOD, carb-5 day, 20 deg C, percent removal	MO AV MN	>= 85 %	all year
001	Solids, suspended percent removal	MO AV MN	>= 85 %	all year
001	LC50 Static 48Hr Acute Ceriodaphnia dubia	MO AV MN	>= 100 %	all year
001	LC50 Static 48Hr Acute Pimephales promelas	MO AV MN	>= 100 %	all year
PFAS	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
PFAS	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
PFAS	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
PFAS	Perfluorobutanoic acid (PFBA)	DAILY MX	report only	all year
PFAS	Perfluorobutanoic acid (PFBA)	DAILY MX	report only	all year
PFAS	Perfluorobutanoic acid (PFBA)	DAILY MX	report only	all year
PFAS	Perfluorooctanesulfonamide (PFOSA)	DAILY MX	report only	all year
PFAS	Perfluorooctanesulfonamide (PFOSA)	DAILY MX	report only	all year
PFAS	Perfluorooctanesulfonamide (PFOSA)	DAILY MX	report only	all year
PFAS	Perfluoropentanoic acid (PFPeA)	DAILY MX	report only	all year
PFAS	Perfluoropentanoic acid (PFPeA)	DAILY MX	report only	all year
PFAS	Perfluoropentanoic acid (PFPeA)	DAILY MX	report only	all year
PFAS	Perfluorohexanoic acid (PFHxA)	DAILY MX	report only	all year
PFAS	Perfluorohexanoic acid (PFHxA)	DAILY MX	report only	all year
PFAS	Perfluorohexanoic acid (PFHxA)	DAILY MX	report only	all year
PFAS	Perfluoroheptanoic acid (PFHpA)	DAILY MX	report only	all year
PFAS	Perfluoroheptanoic acid (PFHpA)	DAILY MX	report only	all year
PFAS	Perfluoroheptanoic acid (PFHpA)	DAILY MX	report only	all year
PFAS	Perfluorononanoic acid (PFNA)	DAILY MX	report only	all year
PFAS	Perfluorononanoic acid (PFNA)	DAILY MX	report only	all year
PFAS	Perfluorononanoic acid (PFNA)	DAILY MX	report only	all year
PFAS	Perfluorodecanoic acid (PFDA)	DAILY MX	report only	all year
PFAS	Perfluorodecanoic acid (PFDA)	DAILY MX	report only	all year
PFAS	Perfluorodecanoic acid (PFDA)	DAILY MX	report only	all year
PFAS	Perfluoroundecanoic acid (PFUnA)	DAILY MX	report only	all year
PFAS	Perfluoroundecanoic acid (PFUnA)	DAILY MX	report only	all year
PFAS	Perfluoroundecanoic acid (PFUnA)	DAILY MX	report only	all year
PFAS	Perfluorododecanoic acid (PFDoA)	DAILY MX	report only	all year
PFAS	Perfluorododecanoic acid (PFDoA)	DAILY MX	report only	all year
PFAS	Perfluorododecanoic acid (PFDoA)	DAILY MX	report only	all year
PFAS	Perfluorotridecanoic acid (PFTrDA)	DAILY MX	report only	all year
PFAS	Perfluorotridecanoic acid (PFTrDA)	DAILY MX	report only	all year
PFAS	Perfluorotridecanoic acid (PFTrDA)	DAILY MX	report only	all year
PFAS	Perfluorotetradecanoic acid (PFTeDA)	DAILY MX	report only	all year
PFAS	Perfluorotetradecanoic acid (PFTeDA)	DAILY MX	report only	all year
PFAS	Perfluorotetradecanoic acid (PFTeDA)	DAILY MX	report only	all year
PFAS	N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)	DAILY MX	report only	all year
PFAS	N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)	DAILY MX	report only	all year
PFAS	N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)	DAILY MX	report only	all year
PFAS	N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)	DAILY MX	report only	all year
PFAS	N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)	DAILY MX	report only	all year
PFAS	N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)	DAILY MX	report only	all year
PFAS	N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	DAILY MX	report only	all year
PFAS	N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	DAILY MX	report only	all year
PFAS	N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	DAILY MX	report only	all year
PFAS	N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	DAILY MX	report only	all year
PFAS	N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	DAILY MX	report only	all year
PFAS	N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	DAILY MX	report only	all year
PFAS	Perfluorobutanesulfonic acid (PFBS)	DAILY MX	report only	all year
PFAS	Perfluorobutanesulfonic acid (PFBS)	DAILY MX	report only	all year
PFAS	Perfluorobutanesulfonic acid (PFBS)	DAILY MX	report only	all year
PFAS	Perfluorodecanesulfonic acid (PFDS)	DAILY MX	report only	all year
PFAS	Perfluorodecanesulfonic acid (PFDS)	DAILY MX	report only	all year
PFAS	Perfluorodecanesulfonic acid (PFDS)	DAILY MX	report only	all year
PFAS	Perfluoroheptanesulfonic acid (PFHpS)	DAILY MX	report only	all year
PFAS	Perfluoroheptanesulfonic acid (PFHpS)	DAILY MX	report only	all year
PFAS	Perfluoroheptanesulfonic acid (PFHpS)	DAILY MX	report only	all year
PFAS	Perfluorohexanesulfonic acid (PFHxS)	DAILY MX	report only	all year
PFAS	Perfluorohexanesulfonic acid (PFHxS)	DAILY MX	report only	all year
PFAS	Perfluorohexanesulfonic acid (PFHxS)	DAILY MX	report only	all year
PFAS	Perfluorooctanesulfonic acid (PFOS)	DAILY MX	report only	all year
PFAS	Perfluorooctanesulfonic acid (PFOS)	DAILY MX	report only	all year
PFAS	Perfluorooctanesulfonic acid (PFOS)	DAILY MX	report only	all year
PFAS	1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	DAILY MX	report only	all year
PFAS	1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	DAILY MX	report only	all year
PFAS	1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	DAILY MX	report only	all year
PFAS	1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	DAILY MX	report only	all year
PFAS	1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	DAILY MX	report only	all year
PFAS	1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	DAILY MX	report only	all year
PFAS	1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	DAILY MX	report only	all year
PFAS	1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	DAILY MX	report only	all year
PFAS	1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	DAILY MX	report only	all year
PFAS	Perfluoropentanesulfonic acid (PFPeS)	DAILY MX	report only	all year
PFAS	Perfluoropentanesulfonic acid (PFPeS)	DAILY MX	report only	all year
PFAS	Perfluoropentanesulfonic acid (PFPeS)	DAILY MX	report only	all year
PFAS	Perfluorononanesulfonic acid (PFNS)	DAILY MX	report only	all year
PFAS	Perfluorononanesulfonic acid (PFNS)	DAILY MX	report only	all year
PFAS	Perfluorononanesulfonic acid (PFNS)	DAILY MX	report only	all year
PFAS	Hexafluoropropylene oxide dimer acid (HFPO-DA)	DAILY MX	report only	all year
PFAS	Hexafluoropropylene oxide dimer acid (HFPO-DA)	DAILY MX	report only	all year
PFAS	Hexafluoropropylene oxide dimer acid (HFPO-DA)	DAILY MX	report only	all year
PFAS	Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)	DAILY MX	report only	all year
PFAS	Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)	DAILY MX	report only	all year
PFAS	Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)	DAILY MX	report only	all year
PFAS	Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)	DAILY MX	report only	all year
PFAS	Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)	DAILY MX	report only	all year
PFAS	Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)	DAILY MX	report only	all year
PFAS	Perfluorododecanesulfonic acid (PFDoS)	DAILY MX	report only	all year
PFAS	Perfluorododecanesulfonic acid (PFDoS)	DAILY MX	report only	all year
PFAS	Perfluorododecanesulfonic acid (PFDoS)	DAILY MX	report only	all year
PFAS	4,8-Dioxa-3H-perfluorononanoic acid (ADONA)	DAILY MX	report only	all year
PFAS	4,8-Dioxa-3H-perfluorononanoic acid (ADONA)	DAILY MX	report only	all year
PFAS	4,8-Dioxa-3H-perfluorononanoic acid (ADONA)	DAILY MX	report only	all year
PFAS	N-methyl perfluorooctanesulfonamide (NMeFOSA)	DAILY MX	report only	all year
PFAS	N-methyl perfluorooctanesulfonamide (NMeFOSA)	DAILY MX	report only	all year
PFAS	N-methyl perfluorooctanesulfonamide (NMeFOSA)	DAILY MX	report only	all year
PFAS	N-ethyl perfluorooctanesulfonamide (NEtFOSA)	DAILY MX	report only	all year
PFAS	N-ethyl perfluorooctanesulfonamide (NEtFOSA)	DAILY MX	report only	all year
PFAS	N-ethyl perfluorooctanesulfonamide (NEtFOSA)	DAILY MX	report only	all year
PFAS	3-Perfluoropropyl propanoic acid (3:3 FTCA)	DAILY MX	report only	all year
PFAS	3-Perfluoropropyl propanoic acid (3:3 FTCA)	DAILY MX	report only	all year
PFAS	3-Perfluoropropyl propanoic acid (3:3 FTCA)	DAILY MX	report only	all year
PFAS	Perfluoro-3-methoxypropanoic acid (PFMPA)	DAILY MX	report only	all year
PFAS	Perfluoro-3-methoxypropanoic acid (PFMPA)	DAILY MX	report only	all year
PFAS	Perfluoro-3-methoxypropanoic acid (PFMPA)	DAILY MX	report only	all year
PFAS	9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)	DAILY MX	report only	all year
PFAS	9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)	DAILY MX	report only	all year
PFAS	9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)	DAILY MX	report only	all year
PFAS	11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)	DAILY MX	report only	all year
PFAS	11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)	DAILY MX	report only	all year
PFAS	11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)	DAILY MX	report only	all year
PFAS	3-Perfluoroheptyl propanoic acid (7:3 FTCA)	DAILY MX	report only	all year
PFAS	3-Perfluoroheptyl propanoic acid (7:3 FTCA)	DAILY MX	report only	all year
PFAS	3-Perfluoroheptyl propanoic acid (7:3 FTCA)	DAILY MX	report only	all year
PFAS	Perfluoro-4-methoxybutanoic acid (PFMBA)	DAILY MX	report only	all year
PFAS	Perfluoro-4-methoxybutanoic acid (PFMBA)	DAILY MX	report only	all year
PFAS	Perfluoro-4-methoxybutanoic acid (PFMBA)	DAILY MX	report only	all year
PFAS	2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)	DAILY MX	report only	all year
PFAS	2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)	DAILY MX	report only	all year
PFAS	2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)	DAILY MX	report only	all year
PFAS	Fluorine, adsorbable organic	DAILY MX	report only	all year
PFAS	Fluorine, adsorbable organic	DAILY MX	report only	all year