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McDonald Farms Enterprises Inc

Heavy Construction, Denver, Colorado. NPDES permit CO0049005 expired Nov 30, 2022; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (101 values), outfall 001 form AQ quarterly (3 values), outfall 001 form AW quarterly (2 values), outfall 001 form B monthly (165 values), outfall 001 form Z monthly (74 values), outfall UST1 form A monthly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
30 values over a limit, 0 required values missing, 0 of 56 reports late

Limits in force (584)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)Jan, Dec001
Temperature, water deg. centigrademaximum weekly average≤ 12.1 deg CJan, Dec001
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Dec001
Temperature, water deg. centigradedaily maximum≤ 24.6 deg CJan, Dec001
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)Feb001
Temperature, water deg. centigrademaximum weekly average≤ 12.1 deg CFeb001
Temperature, water deg. centigradedaily maximumreport only (deg C)Feb001
Temperature, water deg. centigradedaily maximum≤ 24.6 deg CFeb001
Temperature, water deg. centigrademaximum weekly average≤ 24.2 deg CFeb001
Temperature, water deg. centigradedaily maximum≤ 29 deg CFeb001
Temperature, water deg. centigrademaximum weekly average≤ 24.2 deg CMar–Nov001
Temperature, water deg. centigradedaily maximum≤ 29 deg CMar–Nov001
Conductivity30-day average≤ 3.5 dS/mall year001
Conductivity30-day average≤ 3.5 dS/mall year001
BOD, 5-day, 20 deg. C30-day average≤ 53 mg/Lall year001
BOD, 5-day, 20 deg. C30-day average≤ 33 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum 7-day average≤ 163 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum 7-day average≤ 163 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Bicarbonate ion- [as HCO3]30-day averagereport only (mg/L)all year001
Bicarbonate ion- [as HCO3]30-day averagereport only (mg/L)all year001
Bicarbonate ion- [as HCO3]daily maximumreport only (mg/L)all year001
Bicarbonate ion- [as HCO3]daily maximumreport only (mg/L)all year001
Solids, total suspended30-day average≤ 11.3 mg/Lall year001
Solids, total suspended30-day average≤ 33 mg/Lall year001
Solids, total suspendeddaily maximum≤ 29.6 mg/Lall year001
Solids, total suspendeddaily maximum≤ 216 mg/Lall year001
Nitrogen, inorganic totaldaily maximum≤ 10 mg/Lall year001
Nitrogen, inorganic totaldaily maximum≤ 10 mg/Lall year001
Nitrogen, inorganic totalaggregate rolling median≤ 7 mg/Lall year001
Nitrogen, inorganic total95th percentile≤ 14 mg/Lall year001
Phosphorus, total [as P]aggregate rolling median≤ .7 mg/Lall year001
Phosphorus, total [as P]95th percentile≤ 1.75 mg/Lall year001
Cyanide, weak acid, dissociabledaily maximum≤ 6 ug/Lall year001
Cyanide, weak acid, dissociabledaily maximum≤ 6 ug/Lall year001
Cyanide, weak acid, dissociablerolling average≤ .9 ug/Lall year001
Calcium, total recoverable30-day averagereport only (mg/L)all year001
Calcium, total recoverable30-day averagereport only (mg/L)all year001
Calcium, total recoverabledaily maximumreport only (mg/L)all year001
Calcium, total recoverabledaily maximumreport only (mg/L)all year001
Magnesium, total recoverable30-day averagereport only (mg/L)all year001
Magnesium, total recoverable30-day averagereport only (mg/L)all year001
Magnesium, total recoverabledaily maximumreport only (mg/L)all year001
Magnesium, total recoverabledaily maximumreport only (mg/L)all year001
Sodium, total recoverable30-day averagereport only (mg/L)all year001
Sodium, total recoverable30-day averagereport only (mg/L)all year001
Sodium, total recoverabledaily maximumreport only (mg/L)all year001
Sodium, total recoverabledaily maximumreport only (mg/L)all year001
Sodium adsorption ratio30-day average≤ 9 Ratioall year001
Sodium adsorption ratio30-day average≤ 9 Ratioall year001
Sodium adsorption ratiodaily maximumreport only (Ratio)all year001
Sodium adsorption ratiodaily maximumreport only (Ratio)all year001
Sodium adsorption ratio30-day averagereport only (Ratio)all year001
Sodium adsorption ratio30-day averagereport only (Ratio)all year001
Sodium adsorption ratiodaily maximumreport only (Ratio)all year001
Sodium adsorption ratiodaily maximumreport only (Ratio)all year001
Chloride [as Cl]30-day average≤ 286 mg/Lall year001
Chloride [as Cl]30-day average≤ 286 mg/Lall year001
Chloride [as Cl]rolling average≤ 136 ug/Lall year001
Arsenic, total recoverable30-day average≤ 3 ug/Lall year001
Arsenic, total recoverable30-day average≤ 3 ug/Lall year001
Arsenic, total recoverabledaily maximum≤ 99.3 ug/Lall year001
Iron, total recoverable30-day average≤ 1150 ug/Lall year001
Iron, total recoverable30-day average≤ 1150 ug/Lall year001
Iron, total recoverablerolling average≤ 667 ug/Lall year001
Cobalt, total [as Co]30-day average≤ 70.3 ug/Lall year001
Cobalt, total [as Co]daily maximum≤ 182 ug/Lall year001
Copper, total [as Cu]30-day average≤ 216 ug/Lall year001
Copper, total [as Cu]30-day average≤ 757 ug/Lall year001
Copper, total [as Cu]daily maximum≤ 659 ug/Lall year001
Copper, total [as Cu]daily maximum≤ 865 ug/Lall year001
Iron, dissolved [as Fe]30-day average≤ 367 ug/Lall year001
Iron, dissolved [as Fe]30-day average≤ 367 ug/Lall year001
Manganese, dissolved [as Mn]30-day average≤ 190 ug/Lall year001
Manganese, dissolved [as Mn]30-day average≤ 190 ug/Lall year001
Nickel, total recoverable30-day average≤ 128 ug/Lall year001
Nickel, total recoverable30-day average≤ 128 ug/Lall year001
Nickel, total recoverabledaily maximum≤ 794 ug/Lall year001
Nickel, total recoverablerolling average≤ 25 ug/Lall year001
Silver, total [as Ag]30-day average≤ 12.2 ug/Lall year001
Silver, total [as Ag]daily maximum≤ 31.8 ug/Lall year001
Vanadium, total [as V]30-day average≤ 51.8 ug/Lall year001
Vanadium, total [as V]daily maximum≤ 62.8 ug/Lall year001
Zinc, total [as Zn]30-day average≤ 252 ug/Lall year001
Zinc, total [as Zn]30-day average≤ 420 ug/Lall year001
Zinc, total [as Zn]daily maximum≤ 657 ug/Lall year001
Zinc, total [as Zn]daily maximum≤ 497 ug/Lall year001
Antimony, total [as Sb]30-day average≤ 31.2 ug/Lall year001
Antimony, total [as Sb]daily maximum≤ 111 ug/Lall year001
Tin, total [as Sn]30-day average≤ 36.7 ug/Lall year001
Tin, total [as Sn]daily maximum≤ 95.5 ug/Lall year001
Cadmium, total recoverable30-day average≤ 10.2 ug/Lall year001
Cadmium, total recoverabledaily maximum≤ 6 ug/Lall year001
Cadmium, total recoverabledaily maximum≤ 6 ug/Lall year001
Cadmium, total recoverablerolling average≤ .9 ug/Lall year001
Lead, total recoverable30-day average≤ 160 ug/Lall year001
Lead, total recoverabledaily maximum≤ 64 ug/Lall year001
Lead, total recoverabledaily maximum≤ 64 ug/Lall year001
Chromium, total recoverable30-day average≤ 52.2 ug/Lall year001
Chromium, total recoverabledaily maximum≤ 167 ug/Lall year001
Molybdenum, total recoverable30-day average≤ 193 ug/Lall year001
Molybdenum, total recoverable30-day average≤ 193 ug/Lall year001
Molybdenum, total recoverablerolling average≤ 37 ug/Lall year001
Selenium, total [as Se]30-day average≤ 69.8 ug/Lall year001
Selenium, total [as Se]daily maximum≤ 176 ug/Lall year001
Titanium, total [as Ti]30-day average≤ 6.1 ug/Lall year001
Titanium, total [as Ti]daily maximum≤ 15.9 ug/Lall year001
Chromium, hexavalent dissolved [as Cr]30-day average≤ 14 ug/Lall year001
Chromium, hexavalent dissolved [as Cr]30-day average≤ 14 ug/Lall year001
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 19 ug/Lall year001
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 19 ug/Lall year001
Chromium, hexavalent dissolved [as Cr]rolling average≤ 4.7 ug/Lall year001
Zinc, potentially dissolved30-day average≤ 397 ug/Lall year001
Zinc, potentially dissolved30-day average≤ 397 ug/Lall year001
Zinc, potentially dissolveddaily maximum≤ 491 ug/Lall year001
Zinc, potentially dissolveddaily maximum≤ 491 ug/Lall year001
Zinc, potentially dissolvedrolling average≤ 84 ug/Lall year001
Silver, potentially dissolved30-day average≤ 2.6 ug/Lall year001
Silver, potentially dissolved30-day average≤ 2.6 ug/Lall year001
Silver, potentially dissolveddaily maximum≤ 14 ug/Lall year001
Silver, potentially dissolveddaily maximum≤ 14 ug/Lall year001
Silver, potentially dissolvedrolling average≤ .39 ug/Lall year001
Copper, potentially dissolved30-day average≤ 25 ug/Lall year001
Copper, potentially dissolved30-day average≤ 25 ug/Lall year001
Copper, potentially dissolveddaily maximum≤ 37 ug/Lall year001
Copper, potentially dissolveddaily maximum≤ 37 ug/Lall year001
Copper, potentially dissolvedrolling average≤ 6 ug/Lall year001
Cadmium, potentially dissolvd30-day average≤ 1.2 ug/Lall year001
Cadmium, potentially dissolvd30-day average≤ 1.2 ug/Lall year001
Cadmium, potentially dissolvdrolling average≤ .18 ug/Lall year001
Lead, potentially dissolvd30-day average≤ 9.7 ug/Lall year001
Lead, potentially dissolvd30-day average≤ 9.7 ug/Lall year001
Lead, potentially dissolvdrolling average≤ 1.9 ug/Lall year001
Manganese, potentially dissolvd30-day averagereport only (ug/L)all year001
Manganese, potentially dissolvd30-day averagereport only (ug/L)all year001
Manganese, potentially dissolvddaily maximumreport only (ug/L)all year001
Manganese, potentially dissolvddaily maximumreport only (ug/L)all year001
Manganese, potentially dissolvdrolling average≤ 557 ug/Lall year001
Selenium, potentially dissolvd30-day average≤ 4.9 ug/Lall year001
Selenium, potentially dissolvd30-day average≤ 4.9 ug/Lall year001
Selenium, potentially dissolvddaily maximum≤ 21 ug/Lall year001
Selenium, potentially dissolvddaily maximum≤ 21 ug/Lall year001
Selenium, potentially dissolvdrolling average≤ 3.5 ug/Lall year001
Oil and grease30-day average≤ 38 mg/Lall year001
Oil and greasedaily maximum≤ 127 mg/Lall year001
Oil and greasedaily maximum≤ 10 mg/Lall year001
Dioxin30-day average≤ .000057 ng/Lall year001
Dioxindaily maximum≤ .08 ug/Lall year001
Dichloromethane30-day average≤ 53 ug/Lall year001
Tributyltin30-day average≤ .82 ug/Lall year001
Tributyltindaily maximum≤ 3.7 ug/Lall year001
PCB, total, scan effluent30-day average≤ .0073 ug/Lall year001
PCB, total, scan effluentdaily maximum≤ 16 ug/Lall year001
Acetochlor30-day average≤ 1601 ug/Lall year001
Chromium, trivalent total recoverabledaily maximum≤ 60 ug/Lall year001
Chromium, trivalent total recoverabledaily maximum≤ 60 ug/Lall year001
Chromium, trivalent total recoverablerolling average≤ 9 ug/Lall year001
Diquat30-day average≤ 172 ug/Lall year001
Radium 226 + radium 228, total30-day average≤ 85 pCi/Lall year001
Radium 226 + radium 228, totalrolling average≤ 13 pCi/Lall year001
Strontium 90, total30-day average≤ 136 pCi/Lall year001
Uranium, total30-day average≤ 30 ug/Lall year001
Cesium-13430-day average≤ 1360 pCi/Lall year001
Americium-24130-day average≤ 2.6 pCi/Lall year001
Benzyl chloride30-day average≤ 2.4 ug/Lall year001
Dinoseb30-day average≤ 80 ug/Lall year001
Dichlorvos30-day average≤ 1.4 ug/Lall year001
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin30-day average≤ .000064 ug/Lall year001
Carbon tetrachloride30-day average≤ 4.9 ug/Lall year001
Carbon tetrachloridedaily maximum≤ 280070 ug/Lall year001
1,2-Dichloroethane30-day average≤ 4.3 ug/Lall year001
1,2-Dichloroethanedaily maximum≤ 938870 ug/Lall year001
1,2-Dichloroethanerolling average≤ .97 ug/Lall year001
Chloroform30-day average≤ 39 ug/Lall year001
Chloroformdaily maximum≤ 229943 ug/Lall year001
Chloroformrolling average≤ 8.7 ug/Lall year001
Benzene30-day average≤ 25 ug/Lall year001
Benzenerolling average≤ 5.6 ug/Lall year001
Acenaphthene30-day average≤ 4803 ug/Lall year001
Acenaphthenedaily maximum≤ 13526 ug/Lall year001
Acenaphthenerolling average≤ 1071 ug/Lall year001
Acrolein30-day average≤ 40 ug/Lall year001
Acroleindaily maximum≤ 541 ug/Lall year001
Acroleinrolling average≤ 9 ug/Lall year001
Acrylonitrile30-day average≤ .58 ug/Lall year001
Acrylonitriledaily maximum≤ 59674 ug/Lall year001
Anthracene30-day average≤ 24013 ug/Lall year001
Anthracenerolling average≤ 5355 ug/Lall year001
Benzo[b]fluoranthene30-day average≤ .043 ug/Lall year001
Benzo[b]fluoranthenerolling average≤ .01 ug/Lall year001
Benzo[k]fluoranthene30-day average≤ .043 ug/Lall year001
Benzo[k]fluoranthenerolling average≤ .01 ug/Lall year001
Benzo[a]pyrene30-day average≤ .043 ug/Lall year001
Benzo[a]pyrenerolling average≤ .01 ug/Lall year001
.gamma.-Lindane30-day average≤ .1 ug/Lall year001
.gamma.-Lindanedaily maximum≤ 1.1 ug/Lall year001
Bis[chloromethyl] ether30-day average≤ .0011 ug/Lall year001
Bis[chloromethyl] etherrolling average≤ .00026 ug/Lall year001
Bis[2-chloroethyl] ether30-day average≤ .34 ug/Lall year001
Bis[2-chloroethyl] etherrolling average≤ .077 ug/Lall year001
Bis[2-chloroisopropyl] ether30-day average≤ 3202 ug/Lall year001
Bis[2-chloroisopropyl] etherrolling average≤ 714 ug/Lall year001
Bromoform, dry weight30-day average≤ 49 ug/Lall year001
Bromoform, dry weightrolling average≤ 11 ug/Lall year001
Butyl benzyl phthalate30-day average≤ 88.7 ug/Lall year001
Butyl benzyl phthalate30-day average≤ 16009 ug/Lall year001
Butyl benzyl phthalatedaily maximum≤ 188 ug/Lall year001
Butyl benzyl phthalaterolling average≤ 3570 ug/Lall year001
Chlorobenzene30-day average≤ 1143 ug/Lall year001
Chlorobenzenerolling average≤ 255 ug/Lall year001
Chlorodibromomethanerolling average≤ 138 ug/Lall year001
Chrysene30-day average≤ .043 ug/Lall year001
Chrysenerolling average≤ .01 ug/Lall year001
Diethyl phthalate30-day average≤ 64035 ug/Lall year001
Diethyl phthalaterolling average≤ 14280 ug/Lall year001
Dimethyl phthalate30-day average≤ 800435 ug/Lall year001
Dimethyl phthalaterolling average≤ 178500 ug/Lall year001
1,2-Diphenylhydrazine30-day average≤ .41 ug/Lall year001
1,2-Diphenylhydrazinedaily maximum≤ 2148 ug/Lall year001
1,2-Diphenylhydrazinerolling average≤ .092 ug/Lall year001
.beta.-Endosulfan30-day average≤ .64 ug/Lall year001
.beta.-Endosulfandaily maximum≤ .88 ug/Lall year001
.alpha.-Endosulfan30-day average≤ .64 ug/Lall year001
.alpha.-Endosulfandaily maximum≤ .88 ug/Lall year001
Endrin aldehyde30-day average≤ 3.3 ug/Lall year001
Fluoranthene30-day average≤ 26.8 ug/Lall year001
Fluoranthene30-day average≤ 1487 ug/Lall year001
Fluoranthenedaily maximum≤ 53.7 ug/Lall year001
Fluoranthenedaily maximum≤ 31667 ug/Lall year001
Fluoranthenerolling average≤ 340 ug/Lall year001
Fluorene30-day average≤ 3202 ug/Lall year001
Fluorenerolling average≤ 714 ug/Lall year001
Hexachlorocyclopentadiene30-day average≤ 57 ug/Lall year001
Hexachlorocyclopentadienedaily maximum≤ 56 ug/Lall year001
Hexachlorocyclopentadienerolling average≤ 13 ug/Lall year001
Hexachlorobutadiene30-day average≤ 5 ug/Lall year001
Hexachlorobutadienedaily maximum≤ 716 ug/Lall year001
Hexachlorobutadienerolling average≤ 1.1 ug/Lall year001
Hexachloroethane30-day average≤ 5.7 ug/Lall year001
Hexachloroethanedaily maximum≤ 7797 ug/Lall year001
Hexachloroethanerolling average≤ 1.3 ug/Lall year001
Indeno[1,2,3-cd]pyrene30-day average≤ .043 ug/Lall year001
Indeno[1,2,3-cd]pyrenerolling average≤ .01 ug/Lall year001
Isophorone30-day average≤ 1487 ug/Lall year001
Isophoronerolling average≤ 340 ug/Lall year001
Methyl bromide [Bromomethane]30-day average≤ 112 ug/Lall year001
Methyl bromide [Bromomethane]rolling average≤ 26 ug/Lall year001
Methyl chloride [Chloromethane]30-day average≤ 64 ug/Lall year001
Methyl chloride [Chloromethane]rolling average≤ 14 ug/Lall year001
N-Nitrosodi-N-propylamine30-day average≤ .057 ug/Lall year001
N-Nitrosodi-N-propylaminerolling average≤ .014 ug/Lall year001
N-Nitrosodiphenylamine30-day average≤ 38 ug/Lall year001
N-Nitrosodiphenylaminerolling average≤ 8.5 ug/Lall year001
N-Nitrosodimethylamine [NDMA]30-day average≤ .008 ug/Lall year001
N-Nitrosodimethylamine [NDMA]rolling average≤ .0017 ug/Lall year001
Nitrobenzene30-day average≤ 160 ug/Lall year001
Nitrobenzenedaily maximum≤ 214826 ug/Lall year001
Nitrobenzenerolling average≤ 36 ug/Lall year001
Pyrene30-day average≤ 2401 ug/Lall year001
Pyrenerolling average≤ 544 ug/Lall year001
Tetrachloroethylene30-day average≤ 57 ug/Lall year001
Tetrachloroethylenedaily maximum≤ 57 ug/Lall year001
Tetrachloroethylenerolling average≤ 13 ug/Lall year001
1,1-Dichloroethylene30-day average≤ 80 ug/Lall year001
1,1-Dichloroethylenerolling average≤ 19 ug/Lall year001
1,1,1-Trichloroethane30-day average≤ 2287 ug/Lall year001
1,1,1-Trichloroethanerolling average≤ 510 ug/Lall year001
1,1,2-Trichloroethane30-day average≤ 31 ug/Lall year001
1,1,2-Trichloroethanedaily maximum≤ 74791 ug/Lall year001
1,1,2-Trichloroethanerolling average≤ 7 ug/Lall year001
1,1,2,2-Tetrachloroethane30-day average≤ 1.9 ug/Lall year001
1,1,2,2-Tetrachloroethanerolling average≤ .44 ug/Lall year001
Benzo[ghi]perylene30-day average≤ .043 ug/Lall year001
Benzo[ghi]perylenerolling average≤ .01 ug/Lall year001
Benzo[a]anthracene30-day average≤ .043 ug/Lall year001
Benzo[a]anthracenerolling average≤ .01 ug/Lall year001
1,2-Dichlorobenzene30-day average≤ 4803 ug/Lall year001
1,2-Dichlorobenzenerolling average≤ 1071 ug/Lall year001
1,2-Dichloropropane30-day average≤ 5.7 ug/Lall year001
1,2-Dichloropropanedaily maximum≤ 183000 ug/Lall year001
1,2-Dichloropropanerolling average≤ 1.3 ug/Lall year001
trans-1,2-Dichloroethylene30-day average≤ 1143 ug/Lall year001
trans-1,2-Dichloroethylenerolling average≤ 255 ug/Lall year001
Dibenz[a,h]anthracene30-day average≤ .043 ug/Lall year001
Dibenz[a,h]anthracenerolling average≤ .01 ug/Lall year001
1,3-Dichlorobenzene30-day average≤ 1075 ug/Lall year001
1,3-Dichlorobenzenerolling average≤ 238 ug/Lall year001
1,4-Dichlorobenzene30-day average≤ 720 ug/Lall year001
1,4-Dichlorobenzenerolling average≤ 162 ug/Lall year001
2-Chlorophenol30-day average≤ 400 ug/Lall year001
2-Chlorophenoldaily maximum≤ 34850 ug/Lall year001
2-Chlorophenolrolling average≤ 90 ug/Lall year001
2,4-Dichlorophenol30-day average≤ 240 ug/Lall year001
2,4-Dichlorophenoldaily maximum≤ 16072 ug/Lall year001
2,4-Dichlorophenolrolling average≤ 54 ug/Lall year001
2,4-Dimethylphenol30-day average≤ 1601 ug/Lall year001
2,4-Dimethylphenoldaily maximum≤ 16868 ug/Lall year001
2,4-Dimethylphenolrolling average≤ 357 ug/Lall year001
2,4-Dinitrotoluene30-day average≤ 1.3 ug/Lall year001
2,4-Dinitrotoluenerolling average≤ .29 ug/Lall year001
2,4-Dinitrophenol30-day average≤ 160 ug/Lall year001
2,4-Dinitrophenolrolling average≤ 36 ug/Lall year001
2,4,6-Trichlorophenol30-day average≤ 16 ug/Lall year001
2,4,6-Trichlorophenol30-day average≤ 16 ug/Lall year001
2,4,6-Trichlorophenoldaily maximum≤ 155 ug/Lall year001
2,4,6-Trichlorophenoldaily maximum≤ 155 ug/Lall year001
2,4,6-Trichlorophenolrolling average≤ 3.6 ug/Lall year001
2,6-Dinitrotoluene30-day average≤ 2630 ug/Lall year001
2,6-Dinitrotoluenedaily maximum≤ 2626 ug/Lall year001
2,6-Dinitrotoluenerolling average≤ 595 ug/Lall year001
3,3'-Dichlorobenzidine30-day average≤ .24 ug/Lall year001
3,3'-Dichlorobenzidinerolling average≤ .054 ug/Lall year001
4-Nitrophenol30-day average≤ 640 ug/Lall year001
4-Nitrophenolrolling average≤ 143 ug/Lall year001
4,6-Dinitro-o-cresol30-day average≤ 3.1 ug/Lall year001
4,6-Dinitro-o-cresolrolling average≤ .7 ug/Lall year001
Phenol30-day average≤ 1080 ug/Lall year001
Phenol30-day average≤ 1080 ug/Lall year001
Phenoldaily maximum≤ 3650 ug/Lall year001
Phenoldaily maximum≤ 3650 ug/Lall year001
Phenolrolling average≤ 5355 ug/Lall year001
Naphthalene30-day average≤ 1601 ug/Lall year001
Naphthalenedaily maximum≤ 18300 ug/Lall year001
Naphthalenerolling average≤ 357 ug/Lall year001
Dalapon30-day average≤ 2287 ug/Lall year001
Oxamyl30-day average≤ 2001 ug/Lall year001
Pentachlorophenol30-day average≤ .91 ug/Lall year001
Pentachlorophenoldaily maximum≤ 151 ug/Lall year001
Pentachlorophenolrolling average≤ .2 ug/Lall year001
Atrazine30-day average≤ 34 ug/Lall year001
Aldicarb30-day average≤ 80 ug/Lall year001
Simazine30-day average≤ 46 ug/Lall year001
Di[2-ethylhexyl] phthalate [DEHP]30-day average≤ 14 ug/Lall year001
Di[2-ethylhexyl] phthalate [DEHP]30-day average≤ 14 ug/Lall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 215 ug/Lall year001
Di[2-ethylhexyl] phthalate [DEHP]rolling average≤ 3.1 ug/Lall year001
Di-n-butyl phthalate30-day average≤ 8004 ug/Lall year001
Di-n-butyl phthalaterolling average≤ 1785 ug/Lall year001
Benzidine30-day average≤ .001 ug/Lall year001
Benzidinedaily maximum≤ 19891 ug/Lall year001
Benzidinerolling average≤ .00022 ug/Lall year001
Alachlor30-day average≤ 23 mg/Lall year001
Vinyl chloride30-day average≤ .26 ug/Lall year001
Vinyl chloriderolling average≤ .06 ug/Lall year001
Trichloroethylene30-day average≤ 29 ug/Lall year001
Trichloroethylenedaily maximum≤ 29 ug/Lall year001
Trichloroethylenerolling average≤ 6.5 ug/Lall year001
Aldrin30-day average≤ .0006 ug/Lall year001
Aldrindaily maximum≤ 12 ug/Lall year001
.alpha.-BHCvalue≤ .03 ug/Lall year001
.beta.-BHC30-day average≤ .1 ug/Lall year001
DDD in whole water sample30-day average≤ .0035 ug/Lall year001
DDD in whole water sampledaily maximum≤ 4.8 ug/Lall year001
DDE30-day average≤ .0025 ug/Lall year001
DDEdaily maximum≤ 8354 ug/Lall year001
DDT30-day average≤ .0025 ug/Lall year001
DDTdaily maximum≤ 4.4 ug/Lall year001
Dieldrin30-day average≤ .0006 ug/Lall year001
Dieldrindaily maximum≤ 1.9 ug/Lall year001
Endosulfan, total30-day average≤ .64 ug/Lall year001
Endosulfan, totaldaily maximum≤ .88 ug/Lall year001
Endrin30-day average≤ .41 ug/Lall year001
Endrindaily maximum≤ .68 ug/Lall year001
Toxaphene30-day average≤ .0023 ug/Lall year001
Toxaphenedaily maximum≤ 5.8 ug/Lall year001
Heptachlordaily maximum≤ .0002 ug/Lall year001
Methoxychlor30-day average≤ .34 ug/Lall year001
Malathion30-day average≤ 1.1 ug/Lall year001
Parathion30-day average≤ .15 ug/Lall year001
Parathiondaily maximum≤ .52 ug/Lall year001
Demeton30-day average≤ 1.1 ug/Lall year001
Diazinon30-day average≤ 1.9 ug/Lall year001
Diazinondaily maximum≤ 1.4 ug/Lall year001
Guthion30-day average≤ .11 ug/Lall year001
Hexachlorobenzene30-day average≤ 320 ug/Lall year001
Hexachlorobenzenerolling average≤ 71 ug/Lall year001
Picloram30-day average≤ 5603 ug/Lall year001
2,4-Dichlorophenoxyacetic acid30-day average≤ 800 ug/Lall year001
Mirex30-day average≤ .011 ug/Lall year001
Silvex30-day average≤ 572 ug/Lall year001
Folpet Water Total30-day average≤ 114 ug/Lall year001
1,2-Dibromo-3-chloropropane30-day average≤ 2.3 ug/Lall year001
BTEXdaily maximum≤ 100 ug/Lall year001
N,N-Dimethylaniline30-day average≤ 8.7 ug/Lall year001
Flow, in conduit or thru treatment plant30-day average≤ .999999 MGDall year001
Flow, in conduit or thru treatment plant30-day average≤ .36 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residual30-day average≤ .072 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ .09 mg/Lall year001
Chlorine, total residualrolling average≤ .022 mg/Lall year001
Mercury, total low level30-day average≤ .013 ug/Lall year001
Mercury, total low leveldaily maximum≤ .641 ug/Lall year001
Mercury, total low levelrolling average≤ .002 ug/Lall year001
Butanone30-day average≤ 1850 ug/Lall year001
Butanone30-day average≤ 1850 ug/Lall year001
Butanonedaily maximum≤ 4810 ug/Lall year001
Butanonedaily maximum≤ 4810 ug/Lall year001
Acrylamide30-day average≤ .25 ug/Lall year001
Chlordane30-day average≤ .009 ug/Lall year001
Chlordanedaily maximum≤ 9.5 ug/Lall year001
E. coli30-day geometric mean≤ 126 #/100mLall year001
E. coli30-day geometric mean≤ 126 #/100mLall year001
E. colimaximum 7-day geometric mean≤ 252 #/100mLall year001
E. colimaximum 7-day geometric mean≤ 252 #/100mLall year001
1,3-Dichloropropylene30-day average≤ 3.9 ug/Lall year001
1,3-Dichloropropylenedaily maximum≤ 48217 ug/Lall year001
1,3-Dichloropropylenerolling average≤ .87 ug/Lall year001
Bromodichloromethane30-day average≤ 6.3 ug/Lall year001
Bromodichloromethanedaily maximum≤ 87522 ug/Lall year001
Prometon30-day average≤ 1143 ug/Lall year001
Di[2-ethylhexyl] adipate30-day average≤ 4574 ug/Lall year001
Endothall30-day average≤ 1143 ug/Lall year001
Sulfide-hydrogen sulfide [undissociated]30-day average≤ 14 ug/Lall year001
Bromate30-day average≤ .57 ug/Lall year001
Diisopropyl methylphosphonate30-day average≤ 91 ug/Lall year001
N-Nitroso-N-Methylethylamine30-day average≤ .018 ug/Lall year001
Perfluorooctanoic acid (PFOA)30-day averagereport only (ng/L)all year001
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year001
Perfluorobutanoic acid (PFBA)30-day averagereport only (ng/L)all year001
Perfluorobutanoic acid (PFBA)daily maximumreport only (ng/L)all year001
Perfluorooctanesulfonamide (PFOSA)30-day averagereport only (ng/L)all year001
Perfluorooctanesulfonamide (PFOSA)daily maximumreport only (ng/L)all year001
Nonylphenol30-day average≤ 8.6 ug/Lall year001
Nonylphenoldaily maximum≤ 34 ug/Lall year001
Nonylphenolrolling average≤ 1.3 ug/Lall year001
Dichloroacetic acid [DCAA]30-day average≤ 8 ug/Lall year001
Sodium Absorption Ratiodaily maximumreport only (fail=0;pass=1)all year001
Sodium Absorption Ratiodaily maximumreport only (fail=0;pass=1)all year001
Sodium Absorption Ratiodaily maximumreport only (pass=0;fail=1)all year001
Perfluoropentanoic acid (PFPeA)30-day averagereport only (ng/L)all year001
Perfluoropentanoic acid (PFPeA)daily maximumreport only (ng/L)all year001
Perfluorohexanoic acid (PFHxA)30-day averagereport only (ng/L)all year001
Perfluorohexanoic acid (PFHxA)daily maximumreport only (ng/L)all year001
Perfluoroheptanoic acid (PFHpA)30-day averagereport only (ng/L)all year001
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/L)all year001
Perfluorononanoic acid (PFNA)30-day averagereport only (ng/L)all year001
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/L)all year001
Perfluorodecanoic acid (PFDA)30-day averagereport only (ng/L)all year001
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/L)all year001
Perfluoroundecanoic acid (PFUnA)30-day averagereport only (ng/L)all year001
Perfluoroundecanoic acid (PFUnA)daily maximumreport only (ng/L)all year001
Perfluorododecanoic acid (PFDoA)30-day averagereport only (ng/L)all year001
Perfluorododecanoic acid (PFDoA)daily maximumreport only (ng/L)all year001
Perfluorotridecanoic acid (PFTrDA)30-day averagereport only (ng/L)all year001
Perfluorotridecanoic acid (PFTrDA)daily maximumreport only (ng/L)all year001
Perfluorotetradecanoic acid (PFTeDA)30-day averagereport only (ng/L)all year001
Perfluorotetradecanoic acid (PFTeDA)daily maximumreport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)30-day averagereport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)daily maximumreport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)30-day averagereport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)daily maximumreport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)30-day averagereport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)daily maximumreport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)30-day averagereport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)daily maximumreport only (ng/L)all year001
Thorium-230 + Thorium-23230-day average≤ 1020 pCi/Lall year001
Aramite30-day average≤ 16 ug/Lall year001
Chloronaphthalene30-day average≤ 6403 ug/Lall year001
Chloronaphthalenedaily maximum≤ 18300 ug/Lall year001
Chloronaphthalenerolling average≤ 1428 ug/Lall year001
N-Nitrosodiethanolamine30-day average≤ .15 ug/Lall year001
Plutonium-239 and Plutonium-240 combined30-day average≤ 2.6 pCi/Lall year001
Perfluorobutanesulfonic acid (PFBS)30-day averagereport only (ng/L)all year001
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year001
Perfluorodecanesulfonic acid (PFDS)30-day averagereport only (ng/L)all year001
Perfluorodecanesulfonic acid (PFDS)daily maximumreport only (ng/L)all year001
Perfluoroheptanesulfonic acid (PFHpS)30-day averagereport only (ng/L)all year001
Perfluoroheptanesulfonic acid (PFHpS)daily maximumreport only (ng/L)all year001
Perfluorohexanesulfonic acid (PFHxS)30-day averagereport only (ng/L)all year001
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/L)all year001
Perfluorooctanesulfonic acid (PFOS)30-day averagereport only (ng/L)all year001
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/L)all year001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)30-day averagereport only (ng/L)all year001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)daily maximumreport only (ng/L)all year001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)30-day averagereport only (ng/L)all year001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)daily maximumreport only (ng/L)all year001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)30-day averagereport only (ng/L)all year001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)daily maximumreport only (ng/L)all year001
Perfluoropentanesulfonic acid (PFPeS)30-day averagereport only (ng/L)all year001
Perfluoropentanesulfonic acid (PFPeS)daily maximumreport only (ng/L)all year001
Perfluorononanesulfonic acid (PFNS)30-day averagereport only (ng/L)all year001
Perfluorononanesulfonic acid (PFNS)daily maximumreport only (ng/L)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)30-day averagereport only (ng/L)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year001
Perfluoro-2-methoxypropanoic acid30-day averagereport only (ng/L)all year001
Perfluoro-2-methoxypropanoic aciddaily maximumreport only (ng/L)all year001
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)30-day averagereport only (ng/L)all year001
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)daily maximumreport only (ng/L)all year001
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)30-day averagereport only (ng/L)all year001
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)daily maximumreport only (ng/L)all year001
Perfluorododecanesulfonic acid (PFDoS)30-day averagereport only (ng/L)all year001
Perfluorododecanesulfonic acid (PFDoS)daily maximumreport only (ng/L)all year001
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)30-day averagereport only (ng/L)all year001
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)daily maximumreport only (ng/L)all year001
Potassium 9-chlorohexadecafluoro-3-oxanonane-1-sulfonate30-day averagereport only (ng/L)all year001
Potassium 9-chlorohexadecafluoro-3-oxanonane-1-sulfonatedaily maximumreport only (ng/L)all year001
Potassium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate30-day averagereport only (ng/L)all year001
Potassium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonatedaily maximumreport only (ng/L)all year001
N-methyl perfluorooctanesulfonamide (NMeFOSA)30-day averagereport only (ng/L)all year001
N-methyl perfluorooctanesulfonamide (NMeFOSA)daily maximumreport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamide (NEtFOSA)30-day averagereport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamide (NEtFOSA)daily maximumreport only (ng/L)all year001
2,4,5-Trichlorophenol30-day average≤ 8004 ug/Lall year001
Perchlorate [ClO4]30-day average≤ 56 ug/Lall year001
4-Chloro-3-methylphenoldaily maximum≤ 239 ug/Lall year001
1,2,4-Trichlorobenzene, total30-day average≤ 400 ug/Lall year001
1,2,4-Trichlorobenzene, totaldaily maximum≤ 1989 ug/Lall year001
1,2,4-Trichlorobenzene, totalrolling average≤ 90 ug/Lall year001
2-Hexanone30-day average≤ 400 ug/Lall year001
Pyridine30-day average≤ 182 ug/Lall year001
Pyridine30-day average≤ 182 ug/Lall year001
Pyridinedaily maximum≤ 370 ug/Lall year001
Pyridinedaily maximum≤ 370 ug/Lall year001
Aniline30-day average≤ 70 ug/Lall year001
cis-1,2-Dichloroethylene30-day average≤ 160 ug/Lall year001
p-Cresol30-day average≤ 205 ug/Lall year001
p-Cresol30-day average≤ 205 ug/Lall year001
p-Cresoldaily maximum≤ 698 ug/Lall year001
p-Cresoldaily maximum≤ 698 ug/Lall year001
Quinoline30-day average≤ 1.4 ug/Lall year001
n-Decane30-day average≤ 437 ug/Lall year001
n-Decanedaily maximum≤ 948 ug/Lall year001
1,2,3-Trichloropropane30-day average≤ .004 ug/Lall year001
Carbazole30-day average≤ 276 ug/Lall year001
Carbazoledaily maximum≤ 598 ug/Lall year001
Azobenzene30-day average≤ 3.7 ug/Lall year001
Ethylene dibromide30-day average≤ .23 ug/Lall year001
Trichlorotoluene30-day average≤ .031 ug/Lall year001
1,2,4,5-Tetrachlorobenzene30-day average≤ 11 ug/Lall year001
Pentachlorobenzene30-day average≤ 16 ug/Lall year001
n-Octadecane30-day average≤ 302 ug/Lall year001
n-Octadecanedaily maximum≤ 589 ug/Lall year001
Methanol, total30-day average≤ 160087 ug/Lall year001
Chlorpyrifos30-day average≤ .47 ug/Lall year001
Chlorpyrifosdaily maximum≤ .66 ug/Lall year001
N-Nitrosodiethylamine30-day average≤ .0026 ug/Lall year001
N-Nitrosopyrrolidine30-day average≤ .18 ug/Lall year001
N-Nitrosodibutylamine30-day average≤ .049 ug/Lall year001
o-Cresol [2-Methylphenol]30-day average≤ 561 ug/Lall year001
o-Cresol [2-Methylphenol]daily maximum≤ 1920 ug/Lall year001
Glyphosate, total30-day average≤ 8004 ug/Lall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Sulfate30-day average≤ 270 mg/Lall year001
Sulfate30-day average≤ 270 mg/Lall year001
Kepone30-day average≤ .04 ug/Lall year001
BHC, total30-day average≤ .014 ug/Lall year001
BHC, totaldaily maximum≤ 796 ug/Lall year001
Hydrazine30-day average≤ .14 ug/Lall year001
Carbofuran30-day average≤ 400 ug/Lall year001
Biphenyl, total30-day average≤ 40 ug/Lall year001
Acetone30-day average≤ 7970 ug/Lall year001
Acetone30-day average≤ 7970 ug/Lall year001
Acetonedaily maximum≤ 30200 ug/Lall year001
Acetonedaily maximum≤ 30200 ug/Lall year001
Acetonerolling average≤ 16065 ug/Lall year001
Acetophenone30-day average≤ 56.2 ug/Lall year001
Acetophenone30-day average≤ 56.2 ug/Lall year001
Acetophenonedaily maximum≤ 114 ug/Lall year001
Acetophenonedaily maximum≤ 114 ug/Lall year001
Bromo benzene, total30-day average≤ 640 ug/Lall year001
Tetrahydrofuran30-day average≤ 72039 ug/Lall year001
Epichlorohydrin30-day average≤ 40 ug/Lall year001
2-Butoxyethanol30-day average≤ 8004 ug/Lall year001
Propylene oxide30-day average≤ 1.7 ug/Lall year001
Styrene30-day average≤ 1143 ug/Lall year001
Dicamba30-day average≤ 1944 ug/Lall year001
Trihalomethane, tot.30-day average≤ 915 ug/Lall year001
Tritium, total30-day average≤ 340000 pCi/Lall year001
1,4-Dioxane30-day average≤ 4 ug/Lall year001
1,4-Dioxanerolling average≤ .9 ug/Lall year001
Metribuzin30-day average≤ 1830 ug/Lall year001
Trichloroacetic acid [TCAA]30-day average≤ 5.9 ug/Lall year001
Aldicarb sulfone30-day average≤ 80 ug/Lall year001
PFAS Sum30-day averagereport only (ng/L)all year001
PFAS Sumdaily maximumreport only (ng/L)all year001
LC50 Static Renewal 48Hr Acute Ceriodaphnia dubiaminimum value≥ 100 %all year001
LC50 Static Renewal 96Hr Acute Pimephales promelasminimum value≥ 100 %all year001
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 3 Heavy Construction permits in Colorado.

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