Facility Detail

COGIS - PIT INFORMATION

Insp

HILL RANCH - #292545 Information

Status: AC - 9/30/2007

Facility ID:

292545

Facility Name/No:

HILL RANCH / 16-09

Operator Name/No:

OGRIS OPERATING LLC/10758

Facility Status/Date:

AC / (9/30/2007)

County Name/No:

LAS ANIMAS / 071

Location:

NESE 16 35S67W

Field Name/No:

PURGATOIRE RIVER / 70830

Lat/Long:

36.995300 / -104.886300

Pit Use:

Offsite Disposal:

N/A

Existing Site Conditions

Sensitive Area:

Land Use:

NON CROP LAND

Dist. to Surface Water:

20 ft.

Depth to Ground Water:

20 ft.

Dist. to Water Wells:

Pit Design and Construction Data

Size of Pit (feet):

Depth:

4 ft. ft.

Length:

63 ft.

Width:

23 ft.

Calc. PIT Capacity (bbls/day): 1032

Daily Disposal Rates (bbls/day)

Evap:

Perc:

310

Pit Type:

Lined

Liner Material:

POLYPROPYLENE

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
404588193	02/26/2026		X
403114007	05/18/2022		X	X

Rule 909.j Sample Data

Form 43 Doc#: 403114007 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09
Sample ID: 638445 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	8.88	pH Units
E150.1	Temperature of pH determination	21.4	degrees C
E200.7	BORON	ND	mg/L	0.6	ND
E200.7	CALCIUM	1.85	mg/L	0.2
E200.7	IRON	0.803	mg/L	0.1
E200.7	MAGNESIUM	0.412	mg/L	0.2
E200.7	POTASSIUM	2.49	mg/L	2
E200.7	SODIUM	456	mg/L	2
E200.7	STRONTIUM	0.359	mg/L	0.2
E200.8	BARIUM	0.693	mg/L	0.001
E200.8	MANGANESE	0.0113	mg/L	0.004
E200.8	SELENIUM	ND	mg/L	0.002	ND
E300.0	BROMIDE	0.418	mg/L	0.2
E300.0	CHLORIDE	30.4	mg/L	2
E300.0	FLUORIDE	5.05	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
E365.3	PHOSPHORUS	ND	mg P/L	0.05	ND
SM2320B	BICARBONATE ALKALINITY as CACO3	930	mg/L	10
SM2320B	CARBONATE ALKALINITY AS CACO3	220	mg/L	10
SM2320B	HYDROXIDE ALKALINITY AS CACO3	ND	mg/L	10	ND
SM2320B	TOTAL ALKALINITY AS CACO3	1150	mg/L	10
SM2510B	SPECIFIC CONDUCTIVITY	1970	umho/cm@25C	1
SM2540C	TOTAL DISSOLVED SOLIDS	1210	mg/L	10
SM2540D	TOTAL SUSPENDED SOLIDS	2.95	mg/L	2.5
SOP	HARDNESS (AS CACO3)	6.32	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	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	0.002	mg/L	0.0005
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#: 404588193 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09
Sample ID: 676263 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	0.5	pCi/L
GA	228RADIUM	0.8	pCi/L

Form 43 Doc#: 403114007 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09
Sample ID: 638447 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#: 404588193 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09
Sample ID: 676262 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	8.86	pH Units
E160.1	TOTAL DISSOLVED SOLIDS	1150	mg/L	10
E200.7	CALCIUM	1.5	mg/L	0.4
E200.7	IRON	1.77	mg/L	0.1
E200.7	MAGNESIUM	0.419	mg/L	0.126
E200.7	POTASSIUM	2.56	mg/L	2
E200.7	SODIUM	404	mg/L	2
E200.7	STRONTIUM	0.278	mg/L	0.2
E200.8	BARIUM	0.578	mg/L	0.0005
E200.8	BORON	0.169	mg/L	0.01
E200.8	MANGANESE	0.0287	mg/L	0.002
E200.8	SELENIUM	ND	mg/L	0.001	ND
E300.0	BROMIDE	0.39	mg/L	0.2
E300.0	CHLORIDE	38.6	mg/L	2
E300.0	FLUORIDE	5.86	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	ND	mg P/L	0.05	ND
SATPASTE-SAR	SODIUM ADSORPTION RATIO	49.2	No Unit
SM2320B	BICARBONATE ALKALINITY as CACO3	855	mg/L	10
SM2320B	CARBONATE ALKALINITY AS CACO3	130	mg/L	10
SM2320B	HYDROXIDE ALKALINITY AS CACO3	ND	mg/L	10	ND
SM2320B	TOTAL ALKALINITY AS CACO3	985	mg/L	10
SM2340B	HARDNESS (AS CACO3)	5.47	mg/L	1.82
SM2510B	SPECIFIC CONDUCTIVITY	1930	umho/cm@25C	1
SM2540D	TOTAL SUSPENDED SOLIDS	2.53	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	0.0005	mg/L	0.0005
SW8260	ETHYLBENZENE	ND	mg/L	0.0005	ND
SW8260	M-+P-XYLENE	ND	mg/L	0.001	ND
SW8260	NAPHTHALENE	0.002	mg/L	0.0005
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#: 403114007 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09 Sample ID: 638445 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 404588193 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09 Sample ID: 676263 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 403114007 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09 Sample ID: 638447 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab:

Form 43 Doc#: 404588193 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09 Sample ID: 676262 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 403114007 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09
Sample ID: 638445 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 404588193 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09
Sample ID: 676263 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 403114007 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09
Sample ID: 638447 Sample Date: 05/18/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab:

Form 43 Doc#: 404588193 Facility ID: 279158 API#: 071-08473 Oil/Gas Well Name: HILL RANCH 16-09
Sample ID: 676262 Sample Date: 02/26/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.