SAULSBURG & DILLON — NPDES permit PA0035815: limits, due date and EPA's record

NPDES permit PA0035815 · Minor NON-POTW · effective, expires 2030-05-31 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-06-30. Most often over: Coliform, fecal general (2).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (18)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	DAILY MN	report only	all year
001	pH	INST MIN	>= 6 SU	all year
001	pH	INST MAX	<= 9 SU	all year
001	Solids, total suspended	MO AVG	<= 10 mg/L	all year
001	Solids, total suspended	INST MAX	<= 20 mg/L	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 3 mg/L	Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MO AVG	<= 9 mg/L	Jan, Feb, Mar, Apr, May, Nov, Dec
001	Nitrogen, ammonia total [as N]	INST MAX	<= 6 mg/L	Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	INST MAX	<= 18 mg/L	Jan, Feb, Mar, Apr, May, Nov, Dec
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	Chlorine, total residual	INST MAX	<= .02 mg/L	all year
001	Coliform, fecal general	GEO MEAN	<= 200 #/100mL	May, Jun, Jul, Aug, Sep
001	Coliform, fecal general	GEO MEAN	<= 2000 #/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
001	Coliform, fecal general	INST MAX	<= 1000 #/100mL	May, Jun, Jul, Aug, Sep
001	Coliform, fecal general	INST MAX	<= 10000 #/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 10 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	INST MAX	<= 20 mg/L	all year