Clean Water Act discharge permit · NPDES CO0029742

RIVERGLEN HOA WWTF, Larimer County, CO: NPDES CO0029742 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
6Pollutants with an effluent exceedance

RIVERGLEN HOA WWTF, held by Riverglen Homeowners Assoc, holds NPDES permit CO0029742, which discharges to Little Thompson River. EPA’s file records it issued April 25, 2005 and expiring May 31, 2010. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	RIVERGLEN HOA WWTF
Permittee as filed	Riverglen Homeowners Assoc
NPDES ID	CO0029742
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	April 25, 2005
Expiration date	May 31, 2010
Address	Larimer County, CO 80513
Receiving water	LITTLE THOMPSON RIVER
Subwatershed	Ish Reservoir-Little Thompson River (HUC 101900060502)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

15Pollutants on file
10Under a numeric limit
15With a violation of any kind
6With 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	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
BOD, 5-day, percent removal	1	24	18	June 30, 2014	387% over the limit
BOD, 5-day, 20 deg. C	6	40	14	June 30, 2013	130% over the limit
E. coli, thermotol, MF, MTEC	4	13	9	September 30, 2010	237% over the limit
Flow, in conduit or thru treatment plant	4	35	6	May 31, 2006	241% over the limit
E. coli	0	16	6	June 30, 2014	820% over the limit
Solids, total suspended	4	27	2	April 30, 2013	20% over the limit
pH	2	12	0
Nitrogen, ammonia total [as N]	2	12	0
Chlorine, total residual	2	12	0
Plant capacity fact. percent of capacity	0	8	0
Oil and grease visual	1	7	0
Oil and grease	1	6	0
Copper, potentially dissolved	0	2	0
Selenium, potentially dissolvd	0	2	0
Coliform, fecal general	0	2	0

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 CO0029742.

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.

Watch this permit

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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 CO0029742 there.

Nearby on the register

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