Facility Detail

COGIS - PIT INFORMATION

Insp

HILL RANCH - #292548 Information

Status: AC - 9/30/2007

Facility ID:

292548

Facility Name/No:

HILL RANCH / 15-09

Operator Name/No:

OGRIS OPERATING LLC/10758

Facility Status/Date:

AC / (9/30/2007)

County Name/No:

LAS ANIMAS / 071

Location:

NESE 15 35S67W

Field Name/No:

PURGATOIRE RIVER / 70830

Lat/Long:

36.994960 / -104.867700

Pit Use:

Offsite Disposal:

N/A

Existing Site Conditions

Sensitive Area:

Land Use:

NON CROP LAND

Dist. to Surface Water:

1520 ft.

Depth to Ground Water:

247 ft.

Dist. to Water Wells:

Pit Design and Construction Data

Size of Pit (feet):

Depth:

3 ft. ft.

Length:

80 ft.

Width:

20 ft.

Calc. PIT Capacity (bbls/day): 855

Daily Disposal Rates (bbls/day)

Evap:

Perc:

342

Pit Type:

UnLined

Liner Material:

Thickness:

Treatment Method:

SEPARATOR

Pit Covering Fence:

Net:

Comment:

Updated Pit Status to Active (11/10/2025, SED)

Rule 909.j Inspection Information

Form 43 Document #	Pit Inspection Date	Unlined	Lined	Fenced	Netted
404588184	02/26/2026	X
403113938	05/18/2022	X

Rule 909.j Sample Data

Form 43 Doc#: 404588184 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09
Sample ID: 676259 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
GA	226RADIUM	8.2	pCi/L
GA	228RADIUM	3.9	pCi/L

Form 43 Doc#: 403113938 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09
Sample ID: 638436 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab:

Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
GA	226RADIUM	ND	pCi/L		<
GA	228RADIUM	ND	pCi/L		<

Form 43 Doc#: 403113938 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09
Sample ID: 638435 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E150.1	PH, LAB	8.36	pH Units
E150.1	Temperature of pH determination	21.4	degrees C
E200.7	BORON	ND	mg/L	0.6	ND
E200.7	CALCIUM	4.95	mg/L	0.2
E200.7	IRON	2.01	mg/L	0.1
E200.7	MAGNESIUM	1.02	mg/L	0.2
E200.7	POTASSIUM	2.17	mg/L	2
E200.7	SODIUM	521	mg/L	2
E200.7	STRONTIUM	0.661	mg/L	0.2
E200.8	BARIUM	0.642	mg/L	0.001
E200.8	MANGANESE	0.0236	mg/L	0.004
E200.8	SELENIUM	ND	mg/L	0.002	ND
E300.0	BROMIDE	1.95	mg/L	0.2
E300.0	CHLORIDE	241	mg/L	10
E300.0	FLUORIDE	3.71	mg/L	0.2
E300.0	SULFATE	ND	mg/L	2	ND
E353.2	NITRATE/NITRITE AS N	ND	mg/L as N	0.02	ND
E365.3	PHOSPHORUS	0.0619	mg P/L	0.05
SM2320B	BICARBONATE ALKALINITY as CACO3	790	mg/L	10
SM2320B	CARBONATE ALKALINITY AS CACO3	200	mg/L	10
SM2320B	HYDROXIDE ALKALINITY AS CACO3	ND	mg/L	10	ND
SM2320B	TOTAL ALKALINITY AS CACO3	990	mg/L	10
SM2510B	SPECIFIC CONDUCTIVITY	2470	umho/cm@25C	1
SM2540C	TOTAL DISSOLVED SOLIDS	1360	mg/L	10
SM2540D	TOTAL SUSPENDED SOLIDS	35	mg/L	2.5
SOP	HARDNESS (AS CACO3)	16.5	mg/L	1.32
SW8015	TEPH DIESEL RANGE ORGANICS	ND	mg/L	1	ND
SW8015	TEPH Diesel Range Organics (extended)	ND	mg/L	1	ND
SW8015	TVPH - Gasoline Range Organics	ND	mg/L	1	ND
SW8260	BENZENE	0.0008	mg/L	0.0005
SW8260	ETHYLBENZENE	ND	mg/L	0.0005	ND
SW8260	M-+P-XYLENE	ND	mg/L	0.001	ND
SW8260	NAPHTHALENE	ND	mg/L	0.0005	ND
SW8260	o-XYLENE	ND	mg/L	0.0005	ND
SW8260	TOLUENE	ND	mg/L	0.0005	ND
SW8260	TOTAL XYLENES	ND	mg/L	0.002	ND

Form 43 Doc#: 404588184 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09
Sample ID: 676256 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E150.1	PH, LAB	8.33	pH Units
E160.1	TOTAL DISSOLVED SOLIDS	1880	mg/L	10
E200.7	CALCIUM	7.59	mg/L	0.4
E200.7	IRON	9.5	mg/L	0.1
E200.7	MAGNESIUM	1.87	mg/L	0.126
E200.7	POTASSIUM	4.12	mg/L	2
E200.7	SODIUM	749	mg/L	2
E200.7	STRONTIUM	1.2	mg/L	0.2
E200.8	BARIUM	0.97	mg/L	0.001
E200.8	BORON	0.206	mg/L	0.02
E200.8	MANGANESE	0.0741	mg/L	0.004
E200.8	SELENIUM	0.0248	mg/L	0.002
E300.0	BROMIDE	4.89	mg/L	0.2
E300.0	CHLORIDE	627	mg/L	10
E300.0	FLUORIDE	4.05	mg/L	0.2
E300.0	SULFATE	ND	mg/L	2	ND
E353.2	NITRATE/NITRITE AS N	ND	mg/L as N	0.02	ND
E365.1	PHOSPHORUS	0.172	mg P/L	0.05
SATPASTE-SAR	SODIUM ADSORPTION RATIO	73.4	No Unit
SM2320B	BICARBONATE ALKALINITY as CACO3	780	mg/L	10
SM2320B	CARBONATE ALKALINITY AS CACO3	20	mg/L	10
SM2320B	HYDROXIDE ALKALINITY AS CACO3	ND	mg/L	10	ND
SM2320B	TOTAL ALKALINITY AS CACO3	800	mg/L	10
SM2340B	HARDNESS (AS CACO3)	26.6	mg/L	1.82
SM2510B	SPECIFIC CONDUCTIVITY	3350	umho/cm@25C	1
SM2540D	TOTAL SUSPENDED SOLIDS	104	mg/L	2.5
SW8015	TEPH DIESEL RANGE ORGANICS	ND	mg/L	1	ND
SW8015	TEPH Diesel Range Organics (extended)	ND	mg/L	1	ND
SW8015	TVPH - Gasoline Range Organics	ND	mg/L	1	ND
SW8260	BENZENE	ND	mg/L	0.0005	ND
SW8260	ETHYLBENZENE	ND	mg/L	0.0005	ND
SW8260	M-+P-XYLENE	ND	mg/L	0.001	ND
SW8260	NAPHTHALENE	ND	mg/L	0.0005	ND
SW8260	o-XYLENE	ND	mg/L	0.0005	ND
SW8260	TOLUENE	ND	mg/L	0.0005	ND
SW8260	TOTAL XYLENES	ND	mg/L	0.001	ND

COGIS

Facility Detail

COGIS - PIT INFORMATION

Form 43 Doc#: 404588184 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09 Sample ID: 676259 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 403113938 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09 Sample ID: 638436 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab:

Form 43 Doc#: 403113938 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09 Sample ID: 638435 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 404588184 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09 Sample ID: 676256 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 404588184 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09
Sample ID: 676259 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 403113938 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09
Sample ID: 638436 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab:

Form 43 Doc#: 403113938 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09
Sample ID: 638435 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 404588184 Facility ID: 279160 API#: 071-08474 Oil/Gas Well Name: HILL RANCH 15-09
Sample ID: 676256 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.