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Molson Coors USA LLC

Malt Beverages, Golden, Colorado. NPDES permit CO0048964 expired Jul 31, 2023; its limits still apply. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 006 form A monthly (54 values), outfall 006 form Q quarterly (1 value), outfall 007 form A monthly (55 values), outfall 007 form Q quarterly (1 value), outfall 008 form A monthly (55 values), outfall 008 form Q quarterly (1 value), and 8 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 1 of 92 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
June 2026Flow, in conduit or thru treatment plant, 30-day average25.09 MGD≤ 24 MGD5%

Limits in force (285)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)all year006
Temperature, water deg. centigradedaily maximumreport only (deg C)all year006
Conductivity30-day averagereport only (dS/m)all year006
pHminimum≥ 6.5 SUall year006
pHmaximum≤ 9 SUall year006
Bicarbonate ion- [as HCO3]30-day averagereport only (mg/L)all year006
Bicarbonate ion- [as HCO3]daily maximumreport only (mg/L)all year006
Solids, total suspended30-day average≤ 30 mg/Lall year006
Solids, total suspended30-day average≤ 30 mg/Lall year006
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year006
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year006
Calcium, total recoverable30-day averagereport only (ug/L)all year006
Calcium, total recoverabledaily maximumreport only (ug/L)all year006
Magnesium, total recoverable30-day averagereport only (ug/L)all year006
Magnesium, total recoverabledaily maximumreport only (ug/L)all year006
Sodium, total recoverable30-day averagereport only (ug/L)all year006
Sodium, total recoverabledaily maximumreport only (ug/L)all year006
Sodium adsorption ratio30-day averagereport only (Ratio)all year006
Sodium adsorption ratiodaily maximumreport only (Ratio)all year006
Sodium adsorption ratio30-day averagereport only (Ratio)all year006
Sodium adsorption ratiodaily maximumreport only (Ratio)all year006
Chloride [as Cl]30-day averagereport only (mg/L)all year006
Arsenic, total recoverable30-day averagereport only (ug/L)all year006
Iron, total recoverable30-day averagereport only (ug/L)all year006
Iron, dissolved [as Fe]30-day geometric meanreport only (ug/L)all year006
Manganese, dissolved [as Mn]30-day averagereport only (ug/L)all year006
Nickel, total recoverable30-day averagereport only (ug/L)all year006
Cadmium, total recoverabledaily maximumreport only (ug/L)all year006
Lead, total recoverabledaily maximumreport only (ug/L)all year006
Molybdenum, total recoverable30-day averagereport only (ug/L)all year006
Chromium, hexavalent dissolved [as Cr]30-day averagereport only (ug/L)all year006
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year006
Zinc, potentially dissolved30-day averagereport only (ug/L)all year006
Zinc, potentially dissolveddaily maximumreport only (ug/L)all year006
Silver, potentially dissolved30-day averagereport only (ug/L)all year006
Silver, potentially dissolveddaily maximumreport only (ug/L)all year006
Copper, potentially dissolved30-day averagereport only (ug/L)all year006
Copper, potentially dissolveddaily maximumreport only (ug/L)all year006
Arsenic, potentially dissolveddaily maximumreport only (ug/L)all year006
Cadmium, potentially dissolvd30-day averagereport only (ug/L)all year006
Cadmium, potentially dissolvddaily maximumreport only (ug/L)all year006
Chromium, trivalent, potentially dissolvd30-day averagereport only (ug/L)all year006
Lead, potentially dissolvd30-day averagereport only (ug/L)all year006
Lead, potentially dissolvddaily maximumreport only (ug/L)all year006
Manganese, potentially dissolvd30-day averagereport only (ug/L)all year006
Manganese, potentially dissolvddaily maximumreport only (ug/L)all year006
Nickel, potentially dissolvd30-day averagereport only (ug/L)all year006
Nickel, potentially dissolvddaily maximumreport only (ug/L)all year006
Selenium, potentially dissolvd30-day averagereport only (ug/L)all year006
Selenium, potentially dissolvddaily maximumreport only (ug/L)all year006
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year006
Chromium, trivalent total recoverabledaily maximumreport only (ug/L)all year006
Flow, in conduit or thru treatment plant30-day average≤ 32 MGDall year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Mercury, total [low level]30-day averagereport only (ug/L)all year006
Sulfate30-day averagereport only (ug/L)all year006
Oil and grease visualinstantaneous maximumreport only (abst=0;prst=1)all year006
Static Renewal 7 Day Chronic Ceriodaphnia dubiasingle samplereport only (tox chronic)all year006
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum valuereport only (tox chronic)all year006
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum value≥ 97 tox chronicall year006
Static Renewal 7 Day Chronic Pimephales promelassingle samplereport only (tox chronic)all year006
Static Renewal 7 Day Chronic Pimephales promelasminimum valuereport only (tox chronic)all year006
Static Renewal 7 Day Chronic Pimephales promelasminimum value≥ 97 tox chronicall year006
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)all year007
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)Jan007
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)Feb007
Temperature, water deg. centigrademaximum weekly average≤ 32.8 deg CMar007
Temperature, water deg. centigrademaximum weekly average≤ 33.4 deg CApr007
Temperature, water deg. centigrademaximum weekly average≤ 35.2 deg CMay007
Temperature, water deg. centigrademaximum weekly average≤ 34.3 deg CJun007
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)Jul007
Temperature, water deg. centigrademaximum weekly average≤ 29.8 deg CAug007
Temperature, water deg. centigrade30-day average≤ 29.9 deg CSep007
Temperature, water deg. centigrade30-day average≤ 32.6 deg COct007
Temperature, water deg. centigrade30-day average≤ 32.7 deg CNov007
Temperature, water deg. centigrade30-day averagereport only (deg C)Dec007
Temperature, water deg. centigradedaily maximumreport only (deg C)all year007
Temperature, water deg. centigradedaily maximum≤ 29.2 deg CJan007
Temperature, water deg. centigradedaily maximum≤ 28.1 deg CFeb007
Temperature, water deg. centigradedaily maximum≤ 32.4 deg CMar007
Temperature, water deg. centigradedaily maximum≤ 32.5 deg CApr007
Temperature, water deg. centigradedaily maximum≤ 35.4 deg CMay007
Temperature, water deg. centigradedaily maximum≤ 33.9 deg CJun007
Temperature, water deg. centigradedaily maximumreport only (deg C)Jul007
Temperature, water deg. centigradedaily maximum≤ 31.1 deg CAug007
Temperature, water deg. centigradedaily maximum≤ 30.4 deg CSep007
Temperature, water deg. centigradedaily maximum≤ 32.3 deg COct007
Temperature, water deg. centigradedaily maximum≤ 33.6 deg CNov007
Temperature, water deg. centigradedaily maximum≤ 28 deg CDec007
Conductivity30-day averagereport only (dS/m)all year007
pHminimum≥ 6.5 SUall year007
pHmaximum≤ 9 SUall year007
Bicarbonate ion- [as HCO3]30-day averagereport only (mg/L)all year007
Bicarbonate ion- [as HCO3]daily maximumreport only (mg/L)all year007
Solids, total suspended30-day average≤ 30 mg/Lall year007
Solids, total suspended30-day average≤ 30 mg/Lall year007
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year007
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year007
Calcium, total recoverable30-day averagereport only (mg/L)all year007
Calcium, total recoverabledaily maximumreport only (mg/L)all year007
Magnesium, total recoverable30-day averagereport only (mg/L)all year007
Magnesium, total recoverabledaily maximumreport only (mg/L)all year007
Sodium, total recoverable30-day averagereport only (mg/L)all year007
Sodium, total recoverabledaily maximumreport only (mg/L)all year007
Sodium adsorption ratio30-day averagereport only (Ratio)all year007
Sodium adsorption ratiodaily maximumreport only (Ratio)all year007
Sodium adsorption ratio30-day averagereport only (Ratio)all year007
Sodium adsorption ratiodaily maximumreport only (Ratio)all year007
Chloride [as Cl]30-day averagereport only (mg/L)all year007
Arsenic, total recoverable30-day averagereport only (ug/L)all year007
Iron, total recoverable30-day averagereport only (ug/L)all year007
Iron, dissolved [as Fe]30-day averagereport only (ug/L)all year007
Manganese, dissolved [as Mn]30-day averagereport only (ug/L)all year007
Nickel, total recoverable30-day averagereport only (ug/L)all year007
Cadmium, total recoverabledaily maximumreport only (ug/L)all year007
Lead, total recoverabledaily maximumreport only (ug/L)all year007
Molybdenum, total recoverable30-day averagereport only (ug/L)all year007
Chromium, hexavalent dissolved [as Cr]30-day averagereport only (ug/L)all year007
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year007
Zinc, potentially dissolved30-day averagereport only (ug/L)all year007
Zinc, potentially dissolveddaily maximumreport only (ug/L)all year007
Silver, potentially dissolved30-day averagereport only (ug/L)all year007
Silver, potentially dissolveddaily maximumreport only (ug/L)all year007
Copper, potentially dissolved30-day averagereport only (ug/L)all year007
Copper, potentially dissolveddaily maximumreport only (ug/L)all year007
Arsenic, potentially dissolved30-day averagereport only (ug/L)all year007
Arsenic, potentially dissolveddaily maximumreport only (ug/L)all year007
Cadmium, potentially dissolvd30-day averagereport only (ug/L)all year007
Cadmium, potentially dissolvddaily maximumreport only (ug/L)all year007
Chromium, trivalent, potentially dissolvd30-day averagereport only (ug/L)all year007
Lead, potentially dissolvd30-day averagereport only (ug/L)all year007
Lead, potentially dissolvddaily maximumreport only (ug/L)all year007
Manganese, potentially dissolvd30-day averagereport only (ug/L)all year007
Manganese, potentially dissolvddaily maximumreport only (ug/L)all year007
Nickel, potentially dissolvd30-day averagereport only (ug/L)all year007
Nickel, potentially dissolvddaily maximumreport only (ug/L)all year007
Selenium, potentially dissolvd30-day averagereport only (ug/L)all year007
Selenium, potentially dissolvddaily maximumreport only (ug/L)all year007
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year007
Chromium, trivalent total recoverabledaily maximumreport only (ug/L)all year007
Flow, in conduit or thru treatment plant30-day average≤ 68 MGDall year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Mercury, total [low level]30-day averagereport only (ug/L)all year007
Sulfate30-day averagereport only (mg/L)all year007
Oil and grease visualinstantaneous maximumreport only (abst=0;prst=1)all year007
Static Renewal 7 Day Chronic Ceriodaphnia dubiasingle samplereport only (tox chronic)all year007
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum valuereport only (tox chronic)all year007
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum value≥ 99 tox chronicall year007
Static Renewal 7 Day Chronic Pimephales promelassingle samplereport only (tox chronic)all year007
Static Renewal 7 Day Chronic Pimephales promelasminimum valuereport only (tox chronic)all year007
Static Renewal 7 Day Chronic Pimephales promelasminimum value≥ 99 tox chronicall year007
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)all year008
Temperature, water deg. centigradedaily maximumreport only (deg C)all year008
Conductivity30-day averagereport only (dS/m)all year008
pHminimum≥ 6.5 SUall year008
pHmaximum≤ 9 SUall year008
Bicarbonate ion- [as HCO3]30-day averagereport only (mg/L)all year008
Bicarbonate ion- [as HCO3]daily maximumreport only (mg/L)all year008
Solids, total suspended30-day average≤ 30 mg/Lall year008
Solids, total suspended30-day average≤ 30 mg/Lall year008
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year008
Solids, total suspendeddaily maximum≤ 45 mg/Lall year008
Calcium, total recoverable30-day averagereport only (mg/L)all year008
Calcium, total recoverabledaily maximumreport only (mg/L)all year008
Magnesium, total recoverable30-day averagereport only (mg/L)all year008
Magnesium, total recoverabledaily maximumreport only (mg/L)all year008
Sodium, total recoverable30-day averagereport only (mg/L)all year008
Sodium, total recoverabledaily maximumreport only (mg/L)all year008
Sodium adsorption ratio30-day averagereport only (Ratio)all year008
Sodium adsorption ratiodaily maximumreport only (Ratio)all year008
Sodium adsorption ratio30-day averagereport only (Ratio)all year008
Sodium adsorption ratiodaily maximumreport only (Ratio)all year008
Chloride [as Cl]30-day averagereport only (mg/L)all year008
Arsenic, total recoverable30-day averagereport only (ug/L)all year008
Iron, total recoverable30-day averagereport only (ug/L)all year008
Iron, dissolved [as Fe]30-day averagereport only (ug/L)all year008
Manganese, dissolved [as Mn]30-day averagereport only (ug/L)all year008
Nickel, total recoverable30-day averagereport only (ug/L)all year008
Cadmium, total recoverabledaily maximumreport only (ug/L)all year008
Lead, total recoverabledaily maximumreport only (ug/L)all year008
Molybdenum, total recoverable30-day averagereport only (ug/L)all year008
Chromium, hexavalent dissolved [as Cr]30-day averagereport only (ug/L)all year008
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year008
Zinc, potentially dissolved30-day averagereport only (ug/L)all year008
Zinc, potentially dissolveddaily maximumreport only (ug/L)all year008
Silver, potentially dissolved30-day averagereport only (ug/L)all year008
Silver, potentially dissolveddaily maximumreport only (ug/L)all year008
Copper, potentially dissolved30-day averagereport only (ug/L)all year008
Copper, potentially dissolveddaily maximumreport only (ug/L)all year008
Arsenic, potentially dissolved30-day averagereport only (ug/L)all year008
Arsenic, potentially dissolveddaily maximumreport only (ug/L)all year008
Cadmium, potentially dissolvd30-day averagereport only (ug/L)all year008
Cadmium, potentially dissolvddaily maximumreport only (ug/L)all year008
Chromium, trivalent, potentially dissolvd30-day averagereport only (ug/L)all year008
Lead, potentially dissolvd30-day averagereport only (ug/L)all year008
Lead, potentially dissolvddaily maximumreport only (ug/L)all year008
Manganese, potentially dissolvd30-day averagereport only (ug/L)all year008
Manganese, potentially dissolvddaily maximumreport only (ug/L)all year008
Nickel, potentially dissolvd30-day averagereport only (ug/L)all year008
Nickel, potentially dissolvddaily maximumreport only (ug/L)all year008
Selenium, potentially dissolvd30-day averagereport only (ug/L)all year008
Selenium, potentially dissolvddaily maximumreport only (ug/L)all year008
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year008
Chromium, trivalent total recoverabledaily maximumreport only (ug/L)all year008
Flow, in conduit or thru treatment plant30-day average≤ 23 MGDall year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008
Mercury, total [low level]30-day averagereport only (ug/L)all year008
Sulfate30-day averagereport only (mg/L)all year008
Oil and grease visualinstantaneous maximumreport only (abst=0;prst=1)all year008
Static Renewal 7 Day Chronic Ceriodaphnia dubiasingle samplereport only (tox chronic)all year008
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum valuereport only (tox chronic)all year008
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum value≥ 96 tox chronicall year008
Static Renewal 7 Day Chronic Pimephales promelassingle samplereport only (tox chronic)all year008
Static Renewal 7 Day Chronic Pimephales promelasminimum valuereport only (tox chronic)all year008
Static Renewal 7 Day Chronic Pimephales promelasminimum value≥ 96 tox chronicall year008
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)all year011
Temperature, water deg. centigradedaily maximumreport only (deg C)all year011
Conductivity30-day averagereport only (dS/m)all year011
pHminimum≥ 6.5 SUall year011
pHmaximum≤ 9 SUall year011
Bicarbonate ion- [as HCO3]30-day averagereport only (mg/L)all year011
Bicarbonate ion- [as HCO3]daily maximumreport only (mg/L)all year011
Solids, total suspended30-day average≤ 30 mg/Lall year011
Solids, total suspended30-day average≤ 30 mg/Lall year011
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year011
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year011
Calcium, total recoverable30-day averagereport only (mg/L)all year011
Calcium, total recoverabledaily maximumreport only (mg/L)all year011
Magnesium, total recoverable30-day averagereport only (mg/L)all year011
Magnesium, total recoverabledaily maximumreport only (mg/L)all year011
Sodium, total recoverable30-day averagereport only (mg/L)all year011
Sodium, total recoverabledaily maximumreport only (mg/L)all year011
Sodium adsorption ratio30-day averagereport only (Ratio)all year011
Sodium adsorption ratiodaily maximumreport only (Ratio)all year011
Sodium adsorption ratio30-day averagereport only (Ratio)all year011
Sodium adsorption ratiodaily maximumreport only (Ratio)all year011
Chloride [as Cl]30-day averagereport only (mg/L)all year011
Arsenic, total recoverable30-day averagereport only (ug/L)all year011
Iron, total recoverable30-day averagereport only (ug/L)all year011
Iron, dissolved [as Fe]30-day averagereport only (ug/L)all year011
Manganese, dissolved [as Mn]30-day averagereport only (ug/L)all year011
Nickel, total recoverable30-day averagereport only (ug/L)all year011
Cadmium, total recoverabledaily maximumreport only (ug/L)all year011
Lead, total recoverabledaily maximumreport only (ug/L)all year011
Molybdenum, total recoverable30-day averagereport only (ug/L)all year011
Chromium, hexavalent dissolved [as Cr]30-day averagereport only (ug/L)all year011
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year011
Zinc, potentially dissolved30-day averagereport only (ug/L)all year011
Zinc, potentially dissolveddaily maximumreport only (ug/L)all year011
Silver, potentially dissolved30-day averagereport only (ug/L)all year011
Silver, potentially dissolveddaily maximumreport only (ug/L)all year011
Copper, potentially dissolved30-day averagereport only (ug/L)all year011
Copper, potentially dissolveddaily maximumreport only (ug/L)all year011
Arsenic, potentially dissolved30-day averagereport only (ug/L)all year011
Arsenic, potentially dissolveddaily maximumreport only (ug/L)all year011
Cadmium, potentially dissolvd30-day averagereport only (ug/L)all year011
Cadmium, potentially dissolvddaily maximumreport only (ug/L)all year011
Chromium, trivalent, potentially dissolvd30-day averagereport only (ug/L)all year011
Lead, potentially dissolvd30-day averagereport only (ug/L)all year011
Lead, potentially dissolvddaily maximumreport only (ug/L)all year011
Manganese, potentially dissolvd30-day averagereport only (ug/L)all year011
Manganese, potentially dissolvddaily maximumreport only (ug/L)all year011
Nickel, potentially dissolvd30-day averagereport only (ug/L)all year011
Nickel, potentially dissolvddaily maximumreport only (ug/L)all year011
Selenium, potentially dissolvd30-day averagereport only (ug/L)all year011
Selenium, potentially dissolvddaily maximumreport only (ug/L)all year011
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year011
Chromium, trivalent total recoverabledaily maximumreport only (ug/L)all year011
Flow, in conduit or thru treatment plant30-day average≤ 24 MGDall year011
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year011
Mercury, total [low level]30-day averagereport only (ug/L)all year011
Sulfate30-day averagereport only (mg/L)all year011
Oil and grease visualinstantaneous maximumreport only (abst=0;prst=1)all year011
Static Renewal 7 Day Chronic Ceriodaphnia dubiasingle samplereport only (tox chronic)all year011
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum valuereport only (tox chronic)all year011
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum value≥ 96 tox chronicall year011
Static Renewal 7 Day Chronic Pimephales promelassingle samplereport only (tox chronic)all year011
Static Renewal 7 Day Chronic Pimephales promelasminimum valuereport only (tox chronic)all year011
Static Renewal 7 Day Chronic Pimephales promelasminimum value≥ 96 tox chronicall year011
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year300
Flow, in conduit or thru treatment plantdaily maximum≤ 117 MGDall year300
Cooling Water Intake Velocity30-day averagereport only (ft/sec)all year300
Cooling Water Intake Velocitydaily maximumreport only (ft/sec)all year300
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)all yearUST1
Temperature, water deg. centigradedaily maximumreport only (deg C)all yearUST1

How strict are these limits?

Cited limits by parameter: Colorado's rules and the federal ones.

Same industry: the 8 Food and Kindred Products permits in Colorado.

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