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Pronghorn Operating, LLC

Industrial or other facility, (Unknown City), Wyoming. NPDES permit WY0049999, in force until Nov 30, 2028. Last 12 months: no values over a limit, 1 required value missing. Source: EPA ECHO, Oct 22, 2026.

Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 2 required values missing, 0 of 135 reports late

Limits in force (398)

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 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 [as As]daily maximum≤ 8.4 ug/Lall year002
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year002
Flowmonthly averagereport only (MGD)all year002
Flowdaily maximumreport only (MGD)all year002
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 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 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
Flowmonthly averagereport only (MGD)all year010
Flowdaily maximumreport only (MGD)all year010
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 year024
pHinstantaneous minimum≥ 6.5 SUall year024
pHinstantaneous maximum≤ 9 SUall year024
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year024
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year024
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year024
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year024
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year024
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year024
Chloridedaily maximum≤ 150 mg/Lall year024
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year024
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year024
Flowmonthly averagereport only (MGD)all year024
Flowdaily maximumreport only (MGD)all year024
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 year026
pHinstantaneous minimum≥ 6.5 SUall year026
pHinstantaneous maximum≤ 9 SUall year026
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year026
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year026
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year026
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year026
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year026
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year026
Chloridedaily maximum≤ 150 mg/Lall year026
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year026
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year026
Flowmonthly averagereport only (MGD)all year026
Flowdaily maximumreport only (MGD)all year026
Specific conductancedaily maximum≤ 7500 umho/cmall year027
pHinstantaneous minimum≥ 6.5 SUall year027
pHinstantaneous maximum≤ 9 SUall year027
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all year027
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all year027
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all year027
Arsenic, total [as As]daily maximum≤ 8.4 ug/Lall year027
Barium, total [as Ba]daily maximum≤ 1800 ug/Lall year027
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year027
Chloridedaily maximum≤ 150 mg/Lall year027
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all year027
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year027
Flowmonthly averagereport only (MGD)all year027
Flowdaily maximumreport only (MGD)all year027
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 [as As]daily maximum≤ 8.4 ug/Lall year028
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year028
Flowmonthly averagereport only (MGD)all year028
Flowdaily maximumreport only (MGD)all 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 [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 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 [as As]daily maximum≤ 8.4 ug/Lall year033
Barium, total [as Ba]daily 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
Solids, total dissolved [TDS]daily maximum≤ 5000 mg/Lall year033
Flowmonthly averagereport only (MGD)all year033
Flowdaily maximumreport only (MGD)all year033
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
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR01
Sulfatedaily 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
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR02
Sulfatedaily maximumreport only (mg/L)all yearR02
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
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR04
Sulfatedaily 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
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR05
Sulfatedaily 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
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR06
Sulfatedaily 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
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR07
Sulfatedaily 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
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR08
Sulfatedaily maximumreport only (mg/L)all yearR08
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
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR10
Sulfatedaily maximumreport only (mg/L)all yearR10
Specific conductancedaily maximumreport only (umho/cm)all yearR22
Water Volumedaily maximumreport only (acre-ft)all yearR22
pHdaily minimumreport only (SU)all yearR22
pHdaily maximumreport only (SU)all yearR22
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR22
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR22
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR22
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR22
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR22
Sulfatedaily maximumreport only (mg/L)all yearR22
Specific conductancedaily maximumreport only (umho/cm)all yearR23
Water Volumedaily maximumreport only (acre-ft)all yearR23
pHdaily minimumreport only (SU)all yearR23
pHdaily maximumreport only (SU)all yearR23
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR23
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR23
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR23
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR23
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR23
Sulfatedaily maximumreport only (mg/L)all yearR23
Specific conductancedaily maximumreport only (umho/cm)all yearR24
Water Volumedaily maximumreport only (acre-ft)all yearR24
pHdaily minimumreport only (SU)all yearR24
pHdaily maximumreport only (SU)all yearR24
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR24
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR24
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR24
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR24
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR24
Sulfatedaily maximumreport only (mg/L)all yearR24
Specific conductancedaily maximumreport only (umho/cm)all yearR26
Water Volumedaily maximumreport only (acre-ft)all yearR26
pHdaily minimumreport only (SU)all yearR26
pHdaily maximumreport only (SU)all yearR26
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR26
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR26
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR26
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR26
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR26
Sulfatedaily maximumreport only (mg/L)all yearR26
Specific conductancedaily maximumreport only (umho/cm)all yearR27
Water Volumedaily maximumreport only (acre-ft)all yearR27
pHdaily minimumreport only (SU)all yearR27
pHdaily maximumreport only (SU)all yearR27
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR27
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR27
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR27
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR27
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR27
Sulfatedaily maximumreport only (mg/L)all yearR27
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 yearR33
Water Volumedaily maximumreport only (acre-ft)all yearR33
pHdaily minimumreport only (SU)all yearR33
pHdaily maximumreport only (SU)all yearR33
Calcium, dissolved [as Ca]daily maximumreport only (mg/L)all yearR33
Magnesium, dissolved [as Mg]daily maximumreport only (mg/L)all yearR33
Sodium, dissolved [as Na]daily maximumreport only (mg/L)all yearR33
Sodium adsorption ratiodaily maximumreport only (Ratio)all yearR33
Bicarbonate as [CaCO3]daily maximumreport only (mg/L)all yearR33
Sulfatedaily maximumreport only (mg/L)all yearR33
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
Soil Monitoringannual averagereport only (Y=0;N=1)all yearTRB1
Soil Monitoringannual averagereport only (Y=0;N=1)all yearTRB1
Crop Monitoringannual averagereport only (Y=0;N=1)all yearTRB1
Crop Monitoringannual averagereport only (Y=0;N=1)all yearTRB1
Groundwater Monitoringsemi-annual averagereport only (Y=0;N=1)all yearTRB1
Groundwater Monitoringsemi-annual averagereport only (Y=0;N=1)all yearTRB1
In-stream Monitoringquarterly averagereport only (Y=0;N=1)all yearTRB1
In-stream Monitoringquarterly averagereport only (Y=0;N=1)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.

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Your permit document is the final word. As JSON: /api/v1/permits/WY0049999 · MCP: https://passage-data.com/mcp