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Pronghorn Operating, LLC

Crude Petroleum And Natural Gas, (Unknown City), Wyoming. NPDES permit WY0051918, in force until Jun 30, 2028. 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 AL yearly, outfall 001 form QQ quarterly, outfall 003 form AL yearly, outfall 003 form QQ quarterly, outfall 004 form AL yearly, outfall 004 form QQ quarterly, and 66 more forms
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 219 reports late

Limits in force (623)

ParameterStatisticLimitMonthsOutfall
Specific conductancedaily maximum≤ 7500 umho/cmall year001
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year001
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year001
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year001
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year001
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year001
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year001
Chloridedaily maximum≤ 150 mg/Lall year001
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year001
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year001
Flowmonthly averagereport only (MGD)all year001
Flowdaily maximumreport only (MGD)all year001
Specific conductancedaily maximum≤ 7500 umho/cmall year003
pHinstantaneous minimum≥ 6.5 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year003
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year003
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year003
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year003
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year003
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year003
Chloridedaily maximum≤ 150 mg/Lall year003
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year003
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year003
Flowmonthly averagereport only (MGD)all year003
Flowdaily maximumreport only (MGD)all year003
Specific conductancedaily maximum≤ 7500 umho/cmall year004
pHinstantaneous minimum≥ 6.5 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year004
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year004
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year004
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year004
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year004
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year004
Chloridedaily maximum≤ 150 mg/Lall year004
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year004
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year004
Flowmonthly averagereport only (MGD)all year004
Flowdaily maximumreport only (MGD)all year004
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 [as As]daily maximum≤ 8.4 ug/Lall year005
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year005
Flowmonthly averagereport only (MGD)all year005
Flowdaily maximumreport only (MGD)all 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 [as As]daily maximum≤ 8.4 ug/Lall year006
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year006
Flowmonthly averagereport only (MGD)all year006
Flowdaily maximumreport only (MGD)all year006
Specific conductancedaily maximum≤ 7500 umho/cmall year007
pHinstantaneous minimum≥ 6.5 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year007
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year007
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year007
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year007
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year007
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year007
Chloridedaily maximum≤ 150 mg/Lall year007
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year007
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year007
Flowmonthly averagereport only (MGD)all year007
Flowdaily maximumreport only (MGD)all year007
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 [as As]daily maximum≤ 8.4 ug/Lall year008
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year008
Flowmonthly averagereport only (MGD)all year008
Flowdaily maximumreport only (MGD)all year008
Specific conductancedaily maximum≤ 7500 umho/cmall year010
pHinstantaneous minimum≥ 6.5 SUall year010
pHinstantaneous maximum≤ 9 SUall year010
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year010
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year010
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year010
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year010
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year010
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year010
Chloridedaily maximum≤ 150 mg/Lall year010
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year010
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year010
Flowmonthly averagereport only (MGD)all year010
Flowdaily maximumreport only (MGD)all year010
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 [as As]daily maximum≤ 8.4 ug/Lall year012
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year012
Flowmonthly averagereport only (MGD)all year012
Flowdaily maximumreport only (MGD)all year012
Specific conductancedaily maximum≤ 7500 umho/cmall year014
pHinstantaneous minimum≥ 6.5 SUall year014
pHinstantaneous maximum≤ 9 SUall year014
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year014
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year014
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year014
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year014
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year014
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year014
Chloridedaily maximum≤ 150 mg/Lall year014
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year014
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year014
Flowmonthly averagereport only (MGD)all year014
Flowdaily maximumreport only (MGD)all year014
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 [as As]daily maximum≤ 8.4 ug/Lall year015
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year015
Flowmonthly averagereport only (MGD)all year015
Flowdaily maximumreport only (MGD)all 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 [as As]daily maximum≤ 8.4 ug/Lall year016
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year016
Flowmonthly averagereport only (MGD)all year016
Flowdaily maximumreport only (MGD)all year016
Specific conductancedaily maximum≤ 7500 umho/cmall year017
pHinstantaneous minimum≥ 6.5 SUall year017
pHinstantaneous maximum≤ 9 SUall year017
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year017
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year017
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year017
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year017
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year017
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year017
Chloridedaily maximum≤ 150 mg/Lall year017
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year017
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year017
Flowmonthly averagereport only (MGD)all year017
Flowdaily maximumreport only (MGD)all year017
Specific conductancedaily maximum≤ 7500 umho/cmall year018
pHinstantaneous minimum≥ 6.5 SUall year018
pHinstantaneous maximum≤ 9 SUall year018
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year018
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year018
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year018
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year018
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year018
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year018
Chloridedaily maximum≤ 150 mg/Lall year018
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year018
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year018
Flowmonthly averagereport only (MGD)all year018
Flowdaily maximumreport only (MGD)all year018
Specific conductancedaily maximum≤ 7500 umho/cmall year019
pHinstantaneous minimum≥ 6.5 SUall year019
pHinstantaneous maximum≤ 9 SUall year019
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year019
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year019
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year019
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year019
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year019
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year019
Chloridedaily maximum≤ 150 mg/Lall year019
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year019
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year019
Flowmonthly averagereport only (MGD)all year019
Flowdaily maximumreport only (MGD)all year019
Specific conductancedaily maximum≤ 7500 umho/cmall year020
pHinstantaneous minimum≥ 6.5 SUall year020
pHinstantaneous maximum≤ 9 SUall year020
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year020
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year020
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year020
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year020
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year020
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year020
Chloridedaily maximum≤ 150 mg/Lall year020
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year020
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year020
Flowmonthly averagereport only (MGD)all year020
Flowdaily maximumreport only (MGD)all year020
Specific conductancedaily maximum≤ 7500 umho/cmall year021
pHinstantaneous minimum≥ 6.5 SUall year021
pHinstantaneous maximum≤ 9 SUall year021
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year021
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year021
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year021
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year021
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year021
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year021
Chloridedaily maximum≤ 150 mg/Lall year021
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year021
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year021
Flowmonthly averagereport only (MGD)all year021
Flowdaily maximumreport only (MGD)all year021
Specific conductancedaily maximum≤ 7500 umho/cmall year022
pHinstantaneous minimum≥ 6.5 SUall year022
pHinstantaneous maximum≤ 9 SUall year022
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year022
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year022
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year022
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year022
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year022
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year022
Chloridedaily maximum≤ 150 mg/Lall year022
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year022
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year022
Flowmonthly averagereport only (MGD)all year022
Flowdaily maximumreport only (MGD)all year022
Specific conductancedaily maximum≤ 7500 umho/cmall year023
pHinstantaneous minimum≥ 6.5 SUall year023
pHinstantaneous maximum≤ 9 SUall year023
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year023
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year023
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year023
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year023
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year023
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year023
Chloridedaily maximum≤ 150 mg/Lall year023
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year023
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year023
Flowmonthly averagereport only (MGD)all year023
Flowdaily maximumreport only (MGD)all year023
Specific conductancedaily maximum≤ 7500 umho/cmall year025
pHinstantaneous minimum≥ 6.5 SUall year025
pHinstantaneous maximum≤ 9 SUall year025
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year025
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year025
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year025
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year025
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year025
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year025
Chloridedaily maximum≤ 150 mg/Lall year025
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year025
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year025
Flowmonthly averagereport only (MGD)all year025
Flowdaily maximumreport only (MGD)all year025
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 [as As]daily maximum≤ 8.4 ug/Lall year029
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year029
Flowmonthly averagereport only (MGD)all year029
Flowdaily maximumreport only (MGD)all 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 [as As]daily maximum≤ 8.4 ug/Lall year030
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year030
Flowmonthly averagereport only (MGD)all year030
Flowdaily maximumreport only (MGD)all year030
Specific conductancedaily maximum≤ 7500 umho/cmall year062
pHinstantaneous minimum≥ 6.5 SUall year062
pHinstantaneous maximum≤ 9 SUall year062
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year062
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year062
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year062
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year062
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year062
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year062
Chloridedaily maximum≤ 150 mg/Lall year062
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year062
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year062
Flowmonthly averagereport only (MGD)all year062
Flowdaily maximumreport only (MGD)all year062
Specific conductancedaily maximum≤ 7500 umho/cmall year063
pHinstantaneous minimum≥ 6.5 SUall year063
pHinstantaneous maximum≤ 9 SUall year063
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year063
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year063
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year063
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year063
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year063
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year063
Chloridedaily maximum≤ 150 mg/Lall year063
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year063
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year063
Flowmonthly averagereport only (MGD)all year063
Flowdaily maximumreport only (MGD)all year063
Specific conductancedaily maximum≤ 7500 umho/cmall year064
pHinstantaneous minimum≥ 6.5 SUall year064
pHinstantaneous maximum≤ 9 SUall year064
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year064
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year064
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year064
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year064
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year064
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year064
Chloridedaily maximum≤ 150 mg/Lall year064
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year064
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year064
Flowmonthly averagereport only (MGD)all year064
Flowdaily maximumreport only (MGD)all year064
Specific conductancedaily maximum≤ 7500 umho/cmall year065
pHinstantaneous minimum≥ 6.5 SUall year065
pHinstantaneous maximum≤ 9 SUall year065
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year065
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year065
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year065
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year065
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year065
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year065
Chloridedaily maximum≤ 150 mg/Lall year065
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year065
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year065
Flowmonthly averagereport only (MGD)all year065
Flowdaily maximumreport only (MGD)all year065
Specific conductancedaily maximum≤ 7500 umho/cmall year066
pHinstantaneous minimum≥ 6.5 SUall year066
pHinstantaneous maximum≤ 9 SUall year066
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year066
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year066
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year066
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year066
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year066
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year066
Chloridedaily maximum≤ 150 mg/Lall year066
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year066
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year066
Flowmonthly averagereport only (MGD)all year066
Flowdaily maximumreport only (MGD)all year066
Specific conductancedaily maximum≤ 7500 umho/cmall year067
pHinstantaneous minimum≥ 6.5 SUall year067
pHinstantaneous maximum≤ 9 SUall year067
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year067
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year067
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year067
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year067
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year067
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year067
Chloridedaily maximum≤ 150 mg/Lall year067
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year067
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year067
Flowmonthly averagereport only (MGD)all year067
Flowdaily maximumreport only (MGD)all year067
Specific conductancedaily maximum≤ 7500 umho/cmall year068
pHinstantaneous minimum≥ 6.5 SUall year068
pHinstantaneous maximum≤ 9 SUall year068
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year068
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year068
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year068
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year068
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year068
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year068
Chloridedaily maximum≤ 150 mg/Lall year068
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year068
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year068
Flowmonthly averagereport only (MGD)all year068
Flowdaily maximumreport only (MGD)all year068
Specific conductancedaily maximum≤ 7500 umho/cmall year069
pHinstantaneous minimum≥ 6.5 SUall year069
pHinstantaneous maximum≤ 9 SUall year069
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year069
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year069
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year069
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year069
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year069
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year069
Chloridedaily maximum≤ 150 mg/Lall year069
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year069
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year069
Flowmonthly averagereport only (MGD)all year069
Flowdaily maximumreport only (MGD)all year069
Specific conductancedaily maximum≤ 7500 umho/cmall year070
pHinstantaneous minimum≥ 6.5 SUall year070
pHinstantaneous maximum≤ 9 SUall year070
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year070
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year070
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year070
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year070
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year070
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year070
Chloridedaily maximum≤ 150 mg/Lall year070
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year070
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year070
Flowmonthly averagereport only (MGD)all year070
Flowdaily maximumreport only (MGD)all year070
Specific conductancedaily maximum≤ 7500 umho/cmall year071
pHinstantaneous minimum≥ 6.5 SUall year071
pHinstantaneous maximum≤ 9 SUall year071
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year071
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year071
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year071
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year071
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year071
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year071
Chloridedaily maximum≤ 150 mg/Lall year071
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year071
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year071
Flowmonthly averagereport only (MGD)all year071
Flowdaily maximumreport only (MGD)all year071
Specific conductancedaily maximum≤ 7500 umho/cmall year072
pHinstantaneous minimum≥ 6.5 SUall year072
pHinstantaneous maximum≤ 9 SUall year072
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year072
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year072
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year072
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year072
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year072
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year072
Chloridedaily maximum≤ 150 mg/Lall year072
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year072
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year072
Flowmonthly averagereport only (MGD)all year072
Flowdaily maximumreport only (MGD)all year072
Specific conductancedaily maximum≤ 7500 umho/cmall year073
pHinstantaneous minimum≥ 6.5 SUall year073
pHinstantaneous maximum≤ 9 SUall year073
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year073
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year073
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year073
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year073
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year073
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year073
Chloridedaily maximum≤ 150 mg/Lall year073
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year073
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year073
Flowmonthly averagereport only (MGD)all year073
Flowdaily maximumreport only (MGD)all year073
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 yearR29
Water Volumedaily maximumreport only (acre-ft)all yearR29
pHdaily minimumreport only (SU)all yearR29
pHdaily maximumreport only (SU)all yearR29
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR29
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR29
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR29
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR29
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR29
Sulfatedaily maximumreport only (mg/L)all yearR29
Specific conductancedaily maximumreport only (umho/cm)all yearR30
Water Volumedaily maximumreport only (acre-ft)all yearR30
pHdaily minimumreport only (SU)all yearR30
pHdaily maximumreport only (SU)all yearR30
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR30
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR30
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR30
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR30
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR30
Sulfatedaily maximumreport only (mg/L)all yearR30
Specific conductancedaily maximumreport only (umho/cm)all yearR62
Water Volumedaily maximumreport only (acre-ft)all yearR62
pHdaily minimumreport only (SU)all yearR62
pHdaily maximumreport only (SU)all yearR62
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR62
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR62
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR62
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR62
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR62
Sulfatedaily maximumreport only (mg/L)all yearR62
Specific conductancedaily maximumreport only (umho/cm)all yearR63
Water Volumedaily maximumreport only (acre-ft)all yearR63
pHdaily minimumreport only (SU)all yearR63
pHdaily maximumreport only (SU)all yearR63
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR63
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR63
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR63
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR63
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR63
Sulfatedaily maximumreport only (mg/L)all yearR63
Specific conductancedaily maximumreport only (umho/cm)all yearR64
Water Volumedaily maximumreport only (acre-ft)all yearR64
pHdaily minimumreport only (SU)all yearR64
pHdaily maximumreport only (SU)all yearR64
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR64
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR64
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR64
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR64
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR64
Sulfatedaily maximumreport only (mg/L)all yearR64
Specific conductancedaily maximumreport only (umho/cm)all yearR65
Water Volumedaily maximumreport only (acre-ft)all yearR65
pHdaily minimumreport only (SU)all yearR65
pHdaily maximumreport only (SU)all yearR65
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR65
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR65
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR65
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR65
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR65
Sulfatedaily maximumreport only (mg/L)all yearR65
Specific conductancedaily maximumreport only (umho/cm)all yearR66
Water Volumedaily maximumreport only (acre-ft)all yearR66
pHdaily minimumreport only (SU)all yearR66
pHdaily maximumreport only (SU)all yearR66
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR66
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR66
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR66
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR66
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR66
Sulfatedaily maximumreport only (mg/L)all yearR66
Specific conductancedaily maximumreport only (umho/cm)all yearR67
Water Volumedaily maximumreport only (acre-ft)all yearR67
pHdaily minimumreport only (SU)all yearR67
pHdaily maximumreport only (SU)all yearR67
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR67
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR67
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR67
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR67
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR67
Sulfatedaily maximumreport only (mg/L)all yearR67
Specific conductancedaily maximumreport only (umho/cm)all yearR68
Water Volumedaily maximumreport only (acre-ft)all yearR68
pHdaily minimumreport only (SU)all yearR68
pHdaily maximumreport only (SU)all yearR68
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR68
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR68
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR68
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR68
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR68
Sulfatedaily maximumreport only (mg/L)all yearR68
Specific conductancedaily maximumreport only (umho/cm)all yearR69
Water Volumedaily maximumreport only (acre-ft)all yearR69
pHdaily minimumreport only (SU)all yearR69
pHdaily maximumreport only (SU)all yearR69
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR69
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR69
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR69
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR69
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR69
Sulfatedaily maximumreport only (mg/L)all yearR69
Specific conductancedaily maximumreport only (umho/cm)all yearR70
Water Volumedaily maximumreport only (acre-ft)all yearR70
pHdaily minimumreport only (SU)all yearR70
pHdaily maximumreport only (SU)all yearR70
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR70
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR70
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR70
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR70
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR70
Sulfatedaily maximumreport only (mg/L)all yearR70
Specific conductancedaily maximumreport only (umho/cm)all yearR71
Water Volumedaily maximumreport only (acre-ft)all yearR71
pHdaily minimumreport only (SU)all yearR71
pHdaily maximumreport only (SU)all yearR71
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR71
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR71
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR71
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR71
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR71
Sulfatedaily maximumreport only (mg/L)all yearR71
Specific conductancedaily maximumreport only (umho/cm)all yearR72
Water Volumedaily maximumreport only (acre-ft)all yearR72
pHdaily minimumreport only (SU)all yearR72
pHdaily maximumreport only (SU)all yearR72
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR72
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR72
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR72
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR72
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR72
Sulfatedaily maximumreport only (mg/L)all yearR72
Specific conductancedaily maximumreport only (umho/cm)all yearTRB1
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearTRB1
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearTRB1
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearTRB1
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearTRB1
Flowdaily maximumreport only (MGD)all yearTRB1
Flowmonthly averagereport only (MGD)all yearTRB1
Specific conductancedaily maximumreport only (umho/cm)all yearUPR1
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearUPR1
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearUPR1
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearUPR1
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearUPR1

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/WY0051918 · MCP: https://passage-data.com/mcp