Clean Water Act discharge permit · NPDES COG603116

CROOK WWTF, Logan County, CO: NPDES COG603116 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CROOK WWTF, held by Crook Town of, holds NPDES permit COG603116, which discharges to Settler'S Ditch. EPA’s file records it issued September 5, 2008 and expiring December 31, 2012. 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	CROOK WWTF
Permittee as filed	Crook Town of
NPDES ID	COG603116
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 5, 2008
Expiration date	December 31, 2012
Address	Logan County, CO 80726
Receiving water	Settler's Ditch
Subwatershed	101900121207 (HUC 101900121207)
SIC	1799 – Special Trade Contractors

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

6Pollutants on file
5Under a numeric limit
6With 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
Selenium, potentially dissolvd	0	14
pH	2	10
Solids, total suspended	2	10
Flow, in conduit or thru treatment plant	2	4
Oil and grease	1	4
Oil and grease visual	1	4

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG603116.

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 COG603116.

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 COG603116 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES COG603116 for CROOK WWTF in Logan County, CO, held by Crook Town of, which discharges to Settler'S Ditch and is listed as administratively continued with a minor discharger class of 5. The page lists 6 pollutants on file, 5 under a numeric limit, and 0 pollutants with an effluent exceedance.