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Pronghorn Operating, LLC

Crude Petroleum And Natural Gas, (Unknown City), Wyoming. NPDES permit WY0052221, in force until Nov 30, 2030. Last 12 months: no values over a limit, 1 of 120 reports late. Source: EPA ECHO, Oct 22, 2026.

Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 153 reports late

Limits in force (420)

ParameterStatisticLimitMonthsOutfall
Specific conductancedaily maximum≤ 7500 umho/cmall year002
pHinstantaneous minimum≥ 6.5 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year002
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year002
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year002
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year002
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year002
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year002
Chloridedaily maximum≤ 150 mg/Lall year002
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year002
Flowmonthly averagereport only (MGD)all year002
Flowdaily maximumreport only (MGD)all year002
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year002
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year002
Specific conductancedaily maximum≤ 7500 umho/cmall year005
pHinstantaneous minimum≥ 6.5 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year005
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year005
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year005
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year005
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year005
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year005
Chloridedaily maximum≤ 150 mg/Lall year005
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year005
Flowmonthly averagereport only (MGD)all year005
Flowdaily maximumreport only (MGD)all year005
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year005
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year005
Specific conductancedaily maximum≤ 7500 umho/cmall year006
pHinstantaneous minimum≥ 6.5 SUall year006
pHinstantaneous maximum≤ 9 SUall year006
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year006
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year006
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year006
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year006
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year006
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year006
Chloridedaily maximum≤ 150 mg/Lall year006
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year006
Flowmonthly averagereport only (MGD)all year006
Flowdaily maximumreport only (MGD)all year006
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year006
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year006
Specific conductancedaily maximum≤ 7500 umho/cmall year008
pHinstantaneous minimum≥ 6.5 SUall year008
pHinstantaneous maximum≤ 9 SUall year008
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year008
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year008
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year008
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year008
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year008
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year008
Chloridedaily maximum≤ 150 mg/Lall year008
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year008
Flowmonthly averagereport only (MGD)all year008
Flowdaily maximumreport only (MGD)all year008
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year008
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year008
Specific conductancedaily maximum≤ 7500 umho/cmall year011
pHinstantaneous minimum≥ 6.5 SUall year011
pHinstantaneous maximum≤ 9 SUall year011
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year011
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year011
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year011
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year011
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year011
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year011
Chloridedaily maximum≤ 150 mg/Lall year011
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year011
Flowmonthly averagereport only (MGD)all year011
Flowdaily maximumreport only (MGD)all year011
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year011
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year011
Specific conductancedaily maximum≤ 7500 umho/cmall year012
pHinstantaneous minimum≥ 6.5 SUall year012
pHinstantaneous maximum≤ 9 SUall year012
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year012
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year012
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year012
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year012
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year012
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year012
Chloridedaily maximum≤ 150 mg/Lall year012
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year012
Flowmonthly averagereport only (MGD)all year012
Flowdaily maximumreport only (MGD)all year012
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year012
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year012
Specific conductancedaily maximum≤ 7500 umho/cmall year015
pHinstantaneous minimum≥ 6.5 SUall year015
pHinstantaneous maximum≤ 9 SUall year015
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year015
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year015
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year015
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year015
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year015
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year015
Chloridedaily maximum≤ 150 mg/Lall year015
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year015
Flowmonthly averagereport only (MGD)all year015
Flowdaily maximumreport only (MGD)all year015
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year015
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year015
Specific conductancedaily maximum≤ 7500 umho/cmall year016
pHinstantaneous minimum≥ 6.5 SUall year016
pHinstantaneous maximum≤ 9 SUall year016
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year016
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year016
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year016
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year016
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year016
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year016
Chloridedaily maximum≤ 150 mg/Lall year016
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year016
Flowmonthly averagereport only (MGD)all year016
Flowdaily maximumreport only (MGD)all year016
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year016
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year016
Specific conductancedaily maximum≤ 7500 umho/cmall year028
pHinstantaneous minimum≥ 6.5 SUall year028
pHinstantaneous maximum≤ 9 SUall year028
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year028
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year028
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year028
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year028
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year028
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year028
Chloridedaily maximum≤ 150 mg/Lall year028
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year028
Flowmonthly averagereport only (MGD)all year028
Flowdaily maximumreport only (MGD)all year028
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year028
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year028
Specific conductancedaily maximum≤ 7500 umho/cmall year029
pHinstantaneous minimum≥ 6.5 SUall year029
pHinstantaneous maximum≤ 9 SUall year029
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year029
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year029
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year029
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year029
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year029
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year029
Chloridedaily maximum≤ 150 mg/Lall year029
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year029
Flowmonthly averagereport only (MGD)all year029
Flowdaily maximumreport only (MGD)all year029
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year029
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year029
Specific conductancedaily maximum≤ 7500 umho/cmall year030
pHinstantaneous minimum≥ 6.5 SUall year030
pHinstantaneous maximum≤ 9 SUall year030
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year030
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year030
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year030
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year030
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year030
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year030
Chloridedaily maximum≤ 150 mg/Lall year030
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year030
Flowmonthly averagereport only (MGD)all year030
Flowdaily maximumreport only (MGD)all year030
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year030
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year030
Specific conductancedaily maximum≤ 7500 umho/cmall year031
pHinstantaneous minimum≥ 6.5 SUall year031
pHinstantaneous maximum≤ 9 SUall year031
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year031
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year031
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year031
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year031
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year031
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year031
Chloridedaily maximum≤ 150 mg/Lall year031
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year031
Flowmonthly averagereport only (MGD)all year031
Flowdaily maximumreport only (MGD)all year031
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year031
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year031
Specific conductancedaily maximum≤ 7500 umho/cmall year032
pHinstantaneous minimum≥ 6.5 SUall year032
pHinstantaneous maximum≤ 9 SUall year032
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year032
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year032
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year032
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year032
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year032
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year032
Chloridedaily maximum≤ 150 mg/Lall year032
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year032
Flowmonthly averagereport only (MGD)all year032
Flowdaily maximumreport only (MGD)all year032
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year032
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year032
Specific conductancedaily maximum≤ 7500 umho/cmall year033
pHinstantaneous minimum≥ 6.5 SUall year033
pHinstantaneous maximum≤ 9 SUall year033
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year033
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year033
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year033
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year033
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year033
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year033
Chloridedaily maximum≤ 150 mg/Lall year033
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year033
Flowmonthly averagereport only (MGD)all year033
Flowdaily maximumreport only (MGD)all year033
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year033
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year033
Specific conductancedaily maximum≤ 7500 umho/cmall year034
pHinstantaneous minimum≥ 6.5 SUall year034
pHinstantaneous maximum≤ 9 SUall year034
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year034
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year034
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year034
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year034
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year034
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year034
Chloridedaily maximum≤ 150 mg/Lall year034
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year034
Flowmonthly averagereport only (MGD)all year034
Flowdaily maximumreport only (MGD)all year034
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year034
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year034
Specific conductancedaily maximum≤ 7500 umho/cmall year035
pHinstantaneous minimum≥ 6.5 SUall year035
pHinstantaneous maximum≤ 9 SUall year035
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year035
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year035
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year035
Arsenic, total recoverabledaily maximum≤ 8.4 ug/Lall year035
Barium, total recoverabledaily maximum≤ 1800 ug/Lall year035
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year035
Chloridedaily maximum≤ 150 mg/Lall year035
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year035
Flowmonthly averagereport only (MGD)all year035
Flowdaily maximumreport only (MGD)all year035
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum≤ 0 pass=0;fail=1all year035
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value≤ 0 pass=0;fail=1all year035
Specific conductancedaily maximumreport only (umho/cm)all yearDPR1
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearDPR1
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearDPR1
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearDPR1
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearDPR1
Specific conductancedaily maximumreport only (umho/cm)all yearR01
Water Volumedaily maximumreport only (acre-ft)all yearR01
pHdaily minimumreport only (SU)all yearR01
pHdaily maximumreport only (SU)all yearR01
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR01
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR01
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR01
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR01
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR01
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR01
Specific conductancedaily maximumreport only (umho/cm)all yearR02
Water Volumedaily maximumreport only (acre-ft)all yearR02
pHdaily minimumreport only (SU)all yearR02
pHdaily maximumreport only (SU)all yearR02
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR02
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR02
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR02
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR02
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR02
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR02
Specific conductancedaily maximumreport only (umho/cm)all yearR03
Water Volumedaily maximumreport only (acre-ft)all yearR03
pHdaily minimumreport only (SU)all yearR03
pHdaily maximumreport only (SU)all yearR03
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR03
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR03
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR03
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR03
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR03
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR03
Specific conductancedaily maximumreport only (umho/cm)all yearR04
Water Volumedaily maximumreport only (acre-ft)all yearR04
pHdaily minimumreport only (SU)all yearR04
pHdaily maximumreport only (SU)all yearR04
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR04
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR04
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR04
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR04
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR04
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR04
Specific conductancedaily maximumreport only (umho/cm)all yearR05
Water Volumedaily maximumreport only (acre-ft)all yearR05
pHdaily minimumreport only (SU)all yearR05
pHdaily maximumreport only (SU)all yearR05
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR05
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR05
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR05
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR05
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR05
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR05
Specific conductancedaily maximumreport only (umho/cm)all yearR06
Water Volumedaily maximumreport only (acre-ft)all yearR06
pHdaily minimumreport only (SU)all yearR06
pHdaily maximumreport only (SU)all yearR06
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR06
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR06
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR06
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR06
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR06
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR06
Specific conductancedaily maximumreport only (umho/cm)all yearR07
Water Volumedaily maximumreport only (acre-ft)all yearR07
pHdaily minimumreport only (SU)all yearR07
pHdaily maximumreport only (SU)all yearR07
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR07
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR07
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR07
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR07
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR07
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR07
Specific conductancedaily maximumreport only (umho/cm)all yearR08
Water Volumedaily maximumreport only (acre-ft)all yearR08
pHdaily minimumreport only (SU)all yearR08
pHdaily maximumreport only (SU)all yearR08
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR08
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR08
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR08
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR08
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR08
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR08
Specific conductancedaily maximumreport only (umho/cm)all yearR09
Water Volumedaily maximumreport only (acre-ft)all yearR09
pHdaily minimumreport only (SU)all yearR09
pHdaily maximumreport only (SU)all yearR09
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR09
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR09
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR09
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR09
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR09
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR09
Specific conductancedaily maximumreport only (umho/cm)all yearR10
Water Volumedaily maximumreport only (acre-ft)all yearR10
pHdaily minimumreport only (SU)all yearR10
pHdaily maximumreport only (SU)all yearR10
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR10
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR10
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR10
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR10
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR10
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR10
Specific conductancedaily maximumreport only (umho/cm)all yearR11
Water Volumedaily maximumreport only (acre-ft)all yearR11
pHdaily minimumreport only (SU)all yearR11
pHdaily maximumreport only (SU)all yearR11
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR11
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR11
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR11
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR11
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR11
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR11
Specific conductancedaily maximumreport only (umho/cm)all yearR12
Water Volumedaily maximumreport only (acre-ft)all yearR12
pHdaily minimumreport only (SU)all yearR12
pHdaily maximumreport only (SU)all yearR12
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR12
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR12
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR12
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR12
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR12
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR12
Specific conductancedaily maximumreport only (umho/cm)all yearR13
Water Volumedaily maximumreport only (acre-ft)all yearR13
pHdaily minimumreport only (SU)all yearR13
pHdaily maximumreport only (SU)all yearR13
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR13
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR13
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR13
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR13
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR13
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR13
Specific conductancedaily maximumreport only (umho/cm)all yearR14
Water Volumedaily maximumreport only (acre-ft)all yearR14
pHdaily minimumreport only (SU)all yearR14
pHdaily maximumreport only (SU)all yearR14
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR14
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR14
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR14
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR14
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR14
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR14
Specific conductancedaily maximumreport only (umho/cm)all yearR15
Water Volumedaily maximumreport only (acre-ft)all yearR15
pHdaily minimumreport only (SU)all yearR15
pHdaily maximumreport only (SU)all yearR15
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR15
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR15
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR15
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR15
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR15
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR15
Specific conductancedaily maximumreport only (umho/cm)all yearR16
Water Volumedaily maximumreport only (acre-ft)all yearR16
pHdaily minimumreport only (SU)all yearR16
pHdaily maximumreport only (SU)all yearR16
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR16
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR16
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR16
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR16
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR16
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR16
Specific conductancedaily maximumreport only (umho/cm)all yearR17
Water Volumedaily maximumreport only (acre-ft)all yearR17
pHdaily minimumreport only (SU)all yearR17
pHdaily maximumreport only (SU)all yearR17
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR17
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR17
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR17
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR17
Sulfate, total [as SO4]daily maximumreport only (mg/L)all yearR17
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR17
Specific conductancedaily maximumreport only (umho/cm)all yearUPR2
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearUPR2
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearUPR2
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearUPR2
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearUPR2

How strict are these limits?

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

Same industry: the 209 Oil and Gas Extraction permits in Wyoming.

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Your permit document is the final word. As JSON: /api/v1/permits/WY0052221 · MCP: https://passage-data.com/mcp