Clean Water Act discharge permit · NPDES COG502241

SWEET VALLEY RESERVOIR COMPLEX, Platteville, CO: NPDES COG502241 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
8Pollutants under a numeric limit
0Pollutants with an effluent exceedance

SWEET VALLEY RESERVOIR COMPLEX, held by J-2 Contracting Company, holds NPDES permit COG502241, which discharges to Western Mutual Ditch To South Platte River. EPA’s file records it issued September 16, 2025 and expiring December 31, 2031. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for SWEET VALLEY RESERVOIR COMPLEX: its NPDES ID, its permit type and status, its dates, its address in Platteville, Colorado, its receiving water, and 8 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG502241.

Identity

Facility as filed	SWEET VALLEY RESERVOIR COMPLEX
Permittee as filed	J-2 Contracting Company
NPDES ID	COG502241
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 16, 2025
Expiration date	December 31, 2031
Address	Platteville, CO 80651
Receiving water	Western Mutual Ditch to South Platte River
Subwatershed	Wildcat Mound-South Platte River (HUC 101900030604)

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

Effluent limits and exceedances

8Pollutants on file
8Under a numeric limit
0With 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	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
pH	4	0	0
Solids, total suspended	4	0	0
Flow, in conduit or thru treatment plant	4	0	0
Conductivity	2	0	0
Arsenic, total recoverable	2	0	0
Oil and grease	2	0	0
Flow, total	2	0	0
Oil and grease visual	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG502241.

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 COG502241.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COG502241.

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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 COG502241 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit COG502241 for SWEET VALLEY RESERVOIR COMPLEX in Platteville, CO, held by J-2 Contracting Company and discharging to Western Mutual Ditch To South Platte River. The register lists a Minor Discharger class, a permit status of Effective, 8 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.