Carbon Creek Energy, LLC — NPDES permit WY0094609: limits, due date and EPA's record

NPDES permit WY0094609 · Minor NON-POTW · effective, expires 2027-03-31 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among WY permits in EPA's filings — check your permit).

Limits in force (328)

Outfall	Parameter	Statistic	Limit	Months
001	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
001	pH	INST MIN	>= 6.5 SU	all year
001	pH	INST MAX	<= 9 SU	all year
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
001	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
001	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
001	Sodium, dissolved [as Na]	DAILY MX	report only	all year
001	Sodium adsorption ratio	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
001	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
001	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
001	Chloride	DAILY MX	<= 150 mg/L	all year
001	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
001	Solids, total dissolved	DAILY MX	report only	all year
001	Flow	DAILY MX	report only	all year
001	Flow	DAILY MX	report only	all year
001	Flow	MO AVG	report only	all year
001	Flow	MO AVG	report only	all year
001	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
001	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
002	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
002	pH	INST MIN	>= 6.5 SU	all year
002	pH	INST MAX	<= 9 SU	all year
002	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
002	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
002	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
002	Sodium, dissolved [as Na]	DAILY MX	report only	all year
002	Sodium adsorption ratio	DAILY MX	report only	all year
002	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
002	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
002	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
002	Chloride	DAILY MX	<= 150 mg/L	all year
002	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
002	Solids, total dissolved	DAILY MX	report only	all year
002	Flow	DAILY MX	report only	all year
002	Flow	DAILY MX	report only	all year
002	Flow	MO AVG	report only	all year
002	Flow	MO AVG	report only	all year
002	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
002	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
003	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
003	pH	INST MIN	>= 6.5 SU	all year
003	pH	INST MAX	<= 9 SU	all year
003	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
003	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
003	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
003	Sodium, dissolved [as Na]	DAILY MX	report only	all year
003	Sodium adsorption ratio	DAILY MX	report only	all year
003	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
003	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
003	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
003	Chloride	DAILY MX	<= 150 mg/L	all year
003	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
003	Solids, total dissolved	DAILY MX	report only	all year
003	Flow	DAILY MX	report only	all year
003	Flow	DAILY MX	report only	all year
003	Flow	MO AVG	report only	all year
003	Flow	MO AVG	report only	all year
003	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
003	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
004	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
004	pH	INST MIN	>= 6.5 SU	all year
004	pH	INST MAX	<= 9 SU	all year
004	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
004	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
004	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
004	Sodium, dissolved [as Na]	DAILY MX	report only	all year
004	Sodium adsorption ratio	DAILY MX	report only	all year
004	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
004	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
004	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
004	Chloride	DAILY MX	<= 150 mg/L	all year
004	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
004	Solids, total dissolved	DAILY MX	report only	all year
004	Flow	DAILY MX	report only	all year
004	Flow	DAILY MX	report only	all year
004	Flow	MO AVG	report only	all year
004	Flow	MO AVG	report only	all year
004	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
004	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
005	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
005	pH	INST MIN	>= 6.5 SU	all year
005	pH	INST MAX	<= 9 SU	all year
005	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
005	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
005	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
005	Sodium, dissolved [as Na]	DAILY MX	report only	all year
005	Sodium adsorption ratio	DAILY MX	report only	all year
005	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
005	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
005	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
005	Chloride	DAILY MX	<= 150 mg/L	all year
005	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
005	Solids, total dissolved	DAILY MX	report only	all year
005	Flow	DAILY MX	report only	all year
005	Flow	DAILY MX	report only	all year
005	Flow	MO AVG	report only	all year
005	Flow	MO AVG	report only	all year
005	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
005	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
006	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
006	pH	INST MIN	>= 6.5 SU	all year
006	pH	INST MAX	<= 9 SU	all year
006	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
006	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
006	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
006	Sodium, dissolved [as Na]	DAILY MX	report only	all year
006	Sodium adsorption ratio	DAILY MX	report only	all year
006	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
006	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
006	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
006	Chloride	DAILY MX	<= 150 mg/L	all year
006	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
006	Solids, total dissolved	DAILY MX	report only	all year
006	Flow	DAILY MX	report only	all year
006	Flow	DAILY MX	report only	all year
006	Flow	MO AVG	report only	all year
006	Flow	MO AVG	report only	all year
006	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
006	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
007	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
007	pH	INST MIN	>= 6.5 SU	all year
007	pH	INST MAX	<= 9 SU	all year
007	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
007	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
007	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
007	Sodium, dissolved [as Na]	DAILY MX	report only	all year
007	Sodium adsorption ratio	DAILY MX	report only	all year
007	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
007	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
007	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
007	Chloride	DAILY MX	<= 150 mg/L	all year
007	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
007	Solids, total dissolved	DAILY MX	report only	all year
007	Flow	DAILY MX	report only	all year
007	Flow	DAILY MX	report only	all year
007	Flow	MO AVG	report only	all year
007	Flow	MO AVG	report only	all year
007	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
007	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
008	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
008	pH	INST MIN	>= 6.5 SU	all year
008	pH	INST MAX	<= 9 SU	all year
008	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
008	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
008	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
008	Sodium, dissolved [as Na]	DAILY MX	report only	all year
008	Sodium adsorption ratio	DAILY MX	report only	all year
008	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
008	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
008	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
008	Chloride	DAILY MX	<= 150 mg/L	all year
008	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
008	Solids, total dissolved	DAILY MX	report only	all year
008	Flow	DAILY MX	report only	all year
008	Flow	DAILY MX	report only	all year
008	Flow	MO AVG	report only	all year
008	Flow	MO AVG	report only	all year
008	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
008	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
009	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
009	pH	INST MIN	>= 6.5 SU	all year
009	pH	INST MAX	<= 9 SU	all year
009	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
009	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
009	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
009	Sodium, dissolved [as Na]	DAILY MX	report only	all year
009	Sodium adsorption ratio	DAILY MX	report only	all year
009	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
009	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
009	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
009	Chloride	DAILY MX	<= 150 mg/L	all year
009	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
009	Solids, total dissolved	DAILY MX	report only	all year
009	Flow	DAILY MX	report only	all year
009	Flow	DAILY MX	report only	all year
009	Flow	MO AVG	report only	all year
009	Flow	MO AVG	report only	all year
009	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
009	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
010	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
010	pH	INST MIN	>= 6.5 SU	all year
010	pH	INST MAX	<= 9 SU	all year
010	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
010	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
010	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
010	Sodium, dissolved [as Na]	DAILY MX	report only	all year
010	Sodium adsorption ratio	DAILY MX	report only	all year
010	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
010	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
010	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
010	Chloride	DAILY MX	<= 150 mg/L	all year
010	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
010	Solids, total dissolved	DAILY MX	report only	all year
010	Flow	DAILY MX	report only	all year
010	Flow	DAILY MX	report only	all year
010	Flow	MO AVG	report only	all year
010	Flow	MO AVG	report only	all year
010	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
010	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
011	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
011	pH	INST MIN	>= 6.5 SU	all year
011	pH	INST MAX	<= 9 SU	all year
011	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
011	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
011	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
011	Sodium, dissolved [as Na]	DAILY MX	report only	all year
011	Sodium adsorption ratio	DAILY MX	report only	all year
011	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
011	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
011	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
011	Chloride	DAILY MX	<= 150 mg/L	all year
011	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
011	Solids, total dissolved	DAILY MX	report only	all year
011	Flow	DAILY MX	report only	all year
011	Flow	DAILY MX	report only	all year
011	Flow	MO AVG	report only	all year
011	Flow	MO AVG	report only	all year
011	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
011	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
012	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
012	pH	INST MIN	>= 6.5 SU	all year
012	pH	INST MAX	<= 9 SU	all year
012	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
012	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
012	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
012	Sodium, dissolved [as Na]	DAILY MX	report only	all year
012	Sodium adsorption ratio	DAILY MX	report only	all year
012	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
012	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
012	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
012	Chloride	DAILY MX	<= 150 mg/L	all year
012	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
012	Solids, total dissolved	DAILY MX	report only	all year
012	Flow	DAILY MX	report only	all year
012	Flow	DAILY MX	report only	all year
012	Flow	MO AVG	report only	all year
012	Flow	MO AVG	report only	all year
012	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
012	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
013	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
013	pH	INST MIN	>= 6.5 SU	all year
013	pH	INST MAX	<= 9 SU	all year
013	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
013	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
013	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
013	Sodium, dissolved [as Na]	DAILY MX	report only	all year
013	Sodium adsorption ratio	DAILY MX	report only	all year
013	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
013	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
013	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
013	Chloride	DAILY MX	<= 150 mg/L	all year
013	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
013	Solids, total dissolved	DAILY MX	report only	all year
013	Flow	DAILY MX	report only	all year
013	Flow	DAILY MX	report only	all year
013	Flow	MO AVG	report only	all year
013	Flow	MO AVG	report only	all year
013	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
013	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
014	Specific conductance	DAILY MX	<= 7500 umho/cm	all year
014	pH	INST MIN	>= 6.5 SU	all year
014	pH	INST MAX	<= 9 SU	all year
014	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
014	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
014	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
014	Sodium, dissolved [as Na]	DAILY MX	report only	all year
014	Sodium adsorption ratio	DAILY MX	report only	all year
014	Arsenic, total [as As]	DAILY MX	<= 8.4 ug/L	all year
014	Barium, total [as Ba]	DAILY MX	<= 1800 ug/L	all year
014	Iron, dissolved [as Fe]	DAILY MX	<= 1000 ug/L	all year
014	Chloride	DAILY MX	<= 150 mg/L	all year
014	Bicarbonate as [CaCO3]	DAILY MX	report only	all year
014	Solids, total dissolved	DAILY MX	report only	all year
014	Flow	DAILY MX	report only	all year
014	Flow	DAILY MX	report only	all year
014	Flow	MO AVG	report only	all year
014	Flow	MO AVG	report only	all year
014	Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	4C	= 0 pass=0;fail=1	all year
014	Pass/Fail Static 96 Hr Acute Pimephales Promelas	9D	= 0 pass=0;fail=1	all year
DPR	Specific conductance	DAILY MX	report only	all year
DPR	Specific conductance	DAILY MX	report only	all year
DPR	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
DPR	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
DPR	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
DPR	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
DPR	Sodium, dissolved [as Na]	DAILY MX	report only	all year
DPR	Sodium, dissolved [as Na]	DAILY MX	report only	all year
DPR	Sodium adsorption ratio	DAILY MX	report only	all year
DPR	Sodium adsorption ratio	DAILY MX	report only	all year
TRB1	Specific conductance	DAILY MX	report only	all year
TRB1	Specific conductance	DAILY MX	report only	all year
TRB1	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
TRB1	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
TRB1	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
TRB1	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
TRB1	Sodium, dissolved [as Na]	DAILY MX	report only	all year
TRB1	Sodium, dissolved [as Na]	DAILY MX	report only	all year
TRB1	Sodium adsorption ratio	DAILY MX	report only	all year
TRB1	Sodium adsorption ratio	DAILY MX	report only	all year
TRB1	Flow	DAILY MX	report only	all year
TRB1	Flow	DAILY MX	report only	all year
TRB1	Flow	MO AVG	report only	all year
TRB1	Flow	MO AVG	report only	all year
TRB2	Specific conductance	DAILY MX	report only	all year
TRB2	Specific conductance	DAILY MX	report only	all year
TRB2	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
TRB2	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
TRB2	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
TRB2	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
TRB2	Sodium, dissolved [as Na]	DAILY MX	report only	all year
TRB2	Sodium, dissolved [as Na]	DAILY MX	report only	all year
TRB2	Sodium adsorption ratio	DAILY MX	report only	all year
TRB2	Sodium adsorption ratio	DAILY MX	report only	all year
TRB2	Flow	DAILY MX	report only	all year
TRB2	Flow	DAILY MX	report only	all year
TRB2	Flow	MO AVG	report only	all year
TRB2	Flow	MO AVG	report only	all year
UPR1	Specific conductance	DAILY MX	report only	all year
UPR1	Specific conductance	DAILY MX	report only	all year
UPR1	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
UPR1	Calcium, dissolved [as Ca]	DAILY MX	report only	all year
UPR1	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
UPR1	Magnesium, dissolved [as Mg]	DAILY MX	report only	all year
UPR1	Sodium, dissolved [as Na]	DAILY MX	report only	all year
UPR1	Sodium, dissolved [as Na]	DAILY MX	report only	all year
UPR1	Sodium adsorption ratio	DAILY MX	report only	all year
UPR1	Sodium adsorption ratio	DAILY MX	report only	all year