The Boulders Condo Owners Association — NPDES permit MO0134112: limits, due date and EPA's record

NPDES permit MO0134112 · Minor NON-POTW · expired, expires 2024-03-31 · 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.

This permit expired on 2024-03-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

Last period with anything received: 2026-06-30. Most often over: Phosphorus, total [as P] (1), Nitrogen, ammonia total [as N] (1), Solids, total suspended (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (15)

Outfall	Parameter	Statistic	Limit	Months
001	BOD, 5-day, 20 deg. C	WKLY AVG	<= 30 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 20 mg/L	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, total suspended	WKLY AVG	<= 30 mg/L	all year
001	Solids, total suspended	MO AVG	<= 20 mg/L	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 12.1 mg/L	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 4.6 mg/L	all year
001	Phosphorus, total [as P]	MO AVG	<= .5 mg/L	all year
001	Aluminum, total recoverable	DAILY MX	report only	all year
001	Aluminum, total recoverable	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	MO AVG	report only	all year
001	E. coli	DAILY MX	<= 630 #/100mL	Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001	E. coli	30DA GM	<= 126 #/100mL	Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec