WESTMINSTER DRINKING WATER FACILITY, Westminster, CO: NPDES COG317243 discharge permit, effluent exceedances, inspections, penalties

WESTMINSTER DRINKING WATER FACILITY, Westminster, Colorado: General permit coverage COG317243, held by PCL Construction Inc; Effective; issued December 11, 2025, term to May 31, 2028; discharges to Big Dry Creek.

7 of the 40 pollutants listed for NPDES COG317243 have no violation or effluent exceedance.

• Selenium, potentially dissolvd: 6 limits, 4 violations of any kind, 2 effluent exceedances, latest July 31, 2026, largest 45% over the limit.
• Arsenic, total recoverable: 3 limits, 2 violations of any kind.
• Iron, total recoverable: 3 limits, 2 violations of any kind.
• Manganese, dissolved [as Mn]: 3 limits, 2 violations of any kind.
• Uranium, total: 3 limits, 2 violations of any kind.
• Selenium, total recoverable: 2 limits, 2 violations of any kind.
• Thallium, total recoverable: 2 limits, 2 violations of any kind.
• Beryllium, total recoverable [as Be]: 2 limits, 2 violations of any kind.
• Barium, total recoverable: 2 limits, 2 violations of any kind.
• Iron, dissolved [as Fe]: 2 limits, 2 violations of any kind.
• Nickel, total recoverable: 2 limits, 2 violations of any kind.
• Silver total recoverable: 2 limits, 2 violations of any kind.
• Zinc, total recoverable: 2 limits, 2 violations of any kind.
• Aluminum, total recoverable: 2 limits, 2 violations of any kind.
• Cadmium, total recoverable: 2 limits, 2 violations of any kind.
• Lead, total recoverable: 2 limits, 2 violations of any kind.
• Copper, total recoverable: 2 limits, 2 violations of any kind.
• Molybdenum, total recoverable: 2 limits, 2 violations of any kind.
• Chromium, hexavalent dissolved [as Cr]: 2 limits, 2 violations of any kind.
• Antimony, total recoverable: 2 limits, 2 violations of any kind.
• Zinc, potentially dissolved: 2 limits, 2 violations of any kind.
• Silver, potentially dissolved: 2 limits, 2 violations of any kind.
• Copper, potentially dissolved: 2 limits, 2 violations of any kind.
• Arsenic, potentially dissolved: 2 limits, 2 violations of any kind.
• Cadmium, potentially dissolvd: 2 limits, 2 violations of any kind.
• Chromium, trivalent, potentially dissolvd: 2 limits, 2 violations of any kind.
• Lead, potentially dissolvd: 2 limits, 2 violations of any kind.
• Manganese, potentially dissolvd: 2 limits, 2 violations of any kind.
• Nickel, potentially dissolvd: 2 limits, 2 violations of any kind.
• Thallium, potentially dissolvd: 2 limits, 2 violations of any kind.
• Uranium, potentially dissolvd: 2 limits, 2 violations of any kind.
• Chromium, trivalent total recoverable: 2 limits, 2 violations of any kind.
• Mercury, total [as Hg]: 2 limits, 2 violations of any kind.
• pH: 2 limits.
• Solids, total suspended: 2 limits.
• Flow, in conduit or thru treatment plant: 2 limits.
• Chlorine, total residual: 2 limits.
• Oil and grease: 1 limit.
• Flow, total: 1 limit.
• Oil and grease visual: 1 limit.

WESTMINSTER DRINKING WATER FACILITY among its neighbors

59 discharge permits are in the Upper Big Dry Creek subwatershed (HUC 101900030406); COG317243 is one. Its county: 344, 2 major; COG317243 is minor permit.

Other permits in the Upper Big Dry Creek subwatershed (HUC 101900030406)

• 87 AVE AND WADSWORTH LIFT STATION, Westminster: COG074396, minor, term to 2013-09-30
• AEROSPACE MANUFACTURING CENTER, Westminster: COR900086, minor, term to 2017-06-30
• ALPINE VISTA TOWNHOMES, Westminster: COR428418, minor, term to 2029-03-31
• BIG DRY CREEK TRAIL, Jefferson County: COG603095, minor, term to 2012-12-31
• BLOSSOM COMMONS, Westminster: COR429485, minor, term to 2029-03-31
• BRMK COTTONWOOD TOWNHOMES, Westminster: COR423721, minor, term to 2029-03-31
• CANDELAS F NO. 1, AMENDMENT F4-TRI POINTE, Arvada: COR422153, minor, term to 2024-03-31
• CANDELAS FILING 2, AMENDMENT 2-KB, Arvada: COR409679, minor, term to 2024-03-31
• CANDELAS OFFSITE WATER, Jefferson County: COG074052, minor, term to 2013-09-30
• CANDELAS PARKWAY SIDEWALK, Arvada: COR423375, minor, term to 2029-03-31