Clean Water Act discharge permit · NPDES IA0058441

CLEAR LAKE SANITARY DISTRICT, Clear Lake, IA: NPDES IA0058441 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MajorDischarger class
13Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CLEAR LAKE SANITARY DISTRICT holds NPDES permit IA0058441. EPA’s file records it issued November 1, 2021 and expiring October 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	CLEAR LAKE SANITARY DISTRICT
Permittee as filed	CLEAR LAKE SANITARY DISTRICT
NPDES ID	IA0058441
Permit status	Effective
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	November 1, 2021
Expiration date	October 31, 2026
Issuing agency	STA
Address	Clear Lake, IA 50428
Subwatershed	Headwaters Beaverdam Creek (HUC 070802040202)
Program components on file	Biosolids, POTW
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems
Other EPA IDs (FRS)	ICIS-AIR source IA0000001903300245

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

13Pollutants on file
13Under a numeric limit
7With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind
Solids, total suspended	9	8
BOD, carbonaceous [5 day, 20 C]	4	8
Chlorine, total residual	8	6
pH	5	4
Oxygen, dissolved [DO]	1	4
Toxicity [acute], Ceriodaphnia dubia	1	1
Toxicity [acute], Pimephales promelas [Fathead Minnow]	1	1
Nitrogen, ammonia total [as N]	48	0
Nitrogen, total [as N]	10	0
Phosphorus, total [as P]	10	0
BOD, 5-day, 20 deg. C	5	0
Nitrogen, Kjeldahl, total [as N]	5	0
E. coli	1	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IA0058441.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0058441.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IA0058441 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers the Clean Water Act discharge permit NPDES IA0058441, held by CLEAR LAKE SANITARY DISTRICT in Clear Lake, IA, with its status listed as Effective and its discharger class as Major Discharger. The page lists 13 for the class figure, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.