Sand Gap Elementary School — NPDES permit KY0087009: limits, due date and EPA's record

NPDES permit KY0087009 · Minor NON-POTW · effective, expires 2030-08-31 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (1).

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 (19)

Outfall	Parameter	Statistic	Limit	Months
002	Oxygen, dissolved [DO]	INST MIN	>= 7 mg/L	all year
002	pH	MINIMUM	>= 6 SU	all year
002	pH	DAILY MX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 30 mg/L	all year
002	Solids, total suspended	MX WK AV	<= 45 mg/L	all year
002	Oil & Grease	MO AVG	report only	all year
002	Oil & Grease	DAILY MX	report only	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 4 mg/L	May, Jun, Jul, Aug, Sep, Oct
002	Nitrogen, ammonia total [as N]	MO AVG	<= 10 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 6 mg/L	May, Jun, Jul, Aug, Sep, Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 15 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Chlorine, total residual	MO AVG	<= .011 mg/L	all year
002	Chlorine, total residual	DAILY MX	<= .019 mg/L	all year
002	E. coli	30DA GEO	<= 130 #/100mL	all year
002	E. coli	7 DA GEO	<= 240 #/100mL	all year
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 30 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	MX WK AV	<= 45 mg/L	all year