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Clean Water Act discharge permit · NPDES COR427920

JOHNSTOWN READY-MIX, Johnstown, CO: NPDES COR427920 discharge permit, effluent exceedances, inspections, penalties

JOHNSTOWN READY-MIX, held by Loveland Ready-Mix Concrete, Inc., holds NPDES permit COR427920. EPA’s file records it issued June 30, 2025 and expiring March 31, 2029. 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 JOHNSTOWN READY-MIX: its NPDES ID, its permit type and status, its dates, its address in Johnstown, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR427920.

Identity

Facility as filedJOHNSTOWN READY-MIX
Permittee as filedLoveland Ready-Mix Concrete, Inc.
NPDES IDCOR427920
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 30, 2025
Expiration dateMarch 31, 2029
AddressJohnstown, CO 80534
Subwatershed101900060606 (HUC 101900060606)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR427920.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR427920.

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 COR427920 there.

Nearby on the register

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

What this page shows

JOHNSTOWN READY-MIX, a general permit coverage in Johnstown, Weld County, Colorado (NPDES ID COR427920), is one of 596 general permit coverages in Weld County, and 21.3% of those 596 coverages have a violation on file. Among all 595 general permit coverages in Weld County, this permit, which was issued June 30, 2025, is ahead of 66.2% of them in issue date, and it shares the 101900060606 subwatershed with 51 NPDES permits, this one included. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, each counted as 0.