Environmental Sample

COGIS - Environmental Sample Site Information

#767651 Information

Sample Site ID	767651
FacilityType	MW	Proj Number
County	WELD - 123	Location	SW SE 31 1N65W
Elevation		Lat/Long	40.001673/-104.706329
DWR Receipt #		WellDepth

CECMC Water Quality Database Disclaimer
The analytical data And other information In this database are a compilation Of data collected by CECMC staff, Data submitted To CECMC from a variety Of third parties, And historical data. All analytical data collected by Or submitted To the CECMC Is Public information And CECMC posts the data To this database As a Public service. The data Is provided For informational purposes only. CECMC does Not conduct a detailed review Of quality control/quality assurance protocols, chain Of custody procedures, Or field Or laboratory methodologies On data received from third parties. The level Of review performed On historical data Is unknown. CECMC does Not regularly perform formal data validation For any Of the data posted To this database. The CECMC makes no warranties Or representations Of any kind, express Or implied, regarding the quality, accuracy, reliability, merchantability, Or fitness For a particular purpose Of the data provided herein.

Sample(s)

All

Sample ID: 647451 Sample Date: 12/29/2022 Matrix: WATER Collection Point: MW Type: MIX Lab: Pace Analytical

Sample Results for Sample # 647451 Pace Analytical ID: L1571584-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
BART	BACTERIA, IRON RELATED		CFU/100mL
BART	BACTERIA, SLIME FORMING		CFU/100mL
BART	BACTERIA, SULFATE REDUCING		CFU/100mL
E365.4	PHOSPHORUS	ND	mg/L	0.1	U
RSK-175	ETHANE	ND	mg/L	0.013	U
RSK-175	METHANE	ND	mg/L	0.01	U
RSK-175	PROPANE	ND	mg/L	0.019	U
SM2320B	BICARBONATE ALKALINITY as CACO3	283	mg/L	20
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	mg/L	20	U
SM2320B	TOTAL ALKALINITY AS CACO3	283	mg/L	20
SM2540C	TOTAL DISSOLVED SOLIDS	832	mg/L	20
SM4500-P-E	ORTHOPHOSPHATE	0.05	mg/L	0.03
SW6010	BARIUM	0.0277	mg/L	0.005
SW6010	BORON	0.32	mg/L	0.2
SW6010	CALCIUM	101	mg/L	1
SW6010	IRON	0.495	mg/L	0.1
SW6010	MAGNESIUM	35.1	mg/L	1
SW6010	MANGANESE	ND	mg/L	0.01	U
SW6010	POTASSIUM	4.2	mg/L	2
SW6010	SELENIUM	ND	mg/L	0.01	U
SW6010	SODIUM	148	mg/L	3
SW6010	STRONTIUM	2.3	mg/L	0.01
SW8015	Benzotrifluoride	93.5	%
SW8015	O-TERPHENYL	76.3	%
SW8015	TEPH Diesel Range Organics (extended)	ND	mg/L	0.1	U
SW8015	TVPH - Gasoline Range Organics	ND	mg/L	0.1	U
SW846 8260B	1,2-DICHLOROETHANE-d4	110	%
SW846 8260B	4-BROMOFLUOROBENZENE	103	%
SW846 8260B	BENZENE	ND	mg/L	0.001	U
SW846 8260B	ETHYLBENZENE	ND	mg/L	0.001	U
SW846 8260B	TOLUENE	ND	mg/L	0.001	U
SW846 8260B	TOLUENE-D8	104	%
SW846 8260B	TOTAL XYLENES	ND	mg/L	0.003	U
SW9040	PH, LAB	7.83	SU		T8
SW9050	SPECIFIC CONDUCTIVITY	1460	UMHOS/CM	10
SW9056	BROMIDE	ND	mg/L	1	U
SW9056	CHLORIDE	178	mg/L	1
SW9056	FLUORIDE	2.36	mg/L	0.15
SW9056	NITRATE	7.53	mg/L	0.1
SW9056	NITRITE	ND	mg/L	0.1	U
SW9056	SULFATE	186	mg/L	5

Sample ID: 632202 Sample Date: 12/16/2021 Matrix: WATER Collection Point: MW Type: GW Lab: Pace Analytical

Sample Results for Sample # 632202 Pace Analytical ID: L1443963-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
RSK-175	ETHANE	ND	ug/L	13	U
RSK-175	METHANE	ND	ug/L	10	U
RSK-175	PROPANE	ND	ug/L	19	U
SM2320B	BICARBONATE ALKALINITY as CACO3	261000	ug/L	20000
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	ug/L	20000	U
SM2320B	TOTAL ALKALINITY AS CACO3	261000	ug/L	20000
SM2540C	TOTAL DISSOLVED SOLIDS	867	mg/L	13.3
SW6010	CALCIUM	97200	ug/L	1000
SW6010	MAGNESIUM	33500	ug/L	1000
SW6010	POTASSIUM	5170	ug/L	1000
SW6010	SODIUM	148000	ug/L	1000
SW8015	C10-C28 Diesel Range Organics	ND	ug/L	100	U
SW8015	C28-C40 Oil Range Organics	ND	ug/L	100	U
SW8015	TVPH - Gasoline Range Organics	ND	ug/L	100	U
SW846 8260B	BENZENE	ND	ug/L	1	U
SW846 8260B	ETHYLBENZENE	ND	ug/L	1	U
SW846 8260B	TOLUENE	ND	ug/L	1	U
SW846 8260B	TOTAL XYLENES	ND	ug/L	3	U
SW9056	BROMIDE	ND	ug/L	1000	U
SW9056	CHLORIDE	182000	ug/L	10000
SW9056	FLUORIDE	2240	ug/L	150
SW9056	SULFATE	193000	ug/L	50000

Sample ID: 673261 Sample Date: 11/12/2025 Matrix: WATER Collection Point: MW Type: GW Lab: Pace Analytical

Sample Results for Sample # 673261 Pace Analytical ID: L1917724-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
RSK-175	ETHANE	ND	ug/L	13	U
RSK-175	METHANE	ND	ug/L	10	U
RSK-175	PROPANE	ND	ug/L	18.6	U
SM2320B	BICARBONATE ALKALINITY as CACO3	277000	ug/L	20000
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	ug/L	20000	U
SM2320B	TOTAL ALKALINITY AS CACO3	277000	ug/L	20000
SM2540C	TOTAL DISSOLVED SOLIDS	922000	ug/L	20000
SM4500-P-E	ORTHOPHOSPHATE	48	ug/L	30
SW6010	CALCIUM	114000	ug/L	1000
SW6010	MAGNESIUM	39100	ug/L	1000
SW6010	POTASSIUM	5230	ug/L	2000
SW6010	SODIUM	145000	ug/L	3000
SW8015	TEPH Diesel Range Organics (extended)	ND	ug/L	100	U
SW8015	TVPH - Gasoline Range Organics	ND	ug/L	100	U
SW8260	BENZENE	ND	ug/L	1	U
SW8260	ETHYLBENZENE	ND	ug/L	1	U
SW8260	TOLUENE	ND	ug/L	1	U
SW8260	TOTAL XYLENES	ND	ug/L	3	U
SW9056	BROMIDE	ND	ug/L	1000	U
SW9056	CHLORIDE	185000	ug/L	10000
SW9056	FLUORIDE	2440	ug/L	150
SW9056	SULFATE	192000	ug/L	50000

Sample ID: 652552 Sample Date: 09/19/2023 Matrix: WATER Collection Point: MW Type: MIX Lab: Pace Analytical

Sample Results for Sample # 652552 Pace Analytical ID: L1657977-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
BART	BACTERIA, IRON RELATED	35000	cfu/ml
BART	BACTERIA, SLIME FORMING	67000	cfu/ml
BART	BACTERIA, SULFATE REDUCING	0	cfu/ml
E365.4	PHOSPHORUS	0.0437	mg/L	0.1	J
RSK-175	ETHANE	ND	mg/L	0.013	U
RSK-175	METHANE	ND	mg/L	0.01	U
RSK-175	PROPANE	ND	mg/L	0.019	U
SM2320B	BICARBONATE ALKALINITY as CACO3	295	mg/L	20
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	mg/L	20	U
SM2320B	TOTAL ALKALINITY AS CACO3	295	mg/L	20
SM2540C	TOTAL DISSOLVED SOLIDS	850	mg/L	20
SM4500-P-E	ORTHOPHOSPHATE	0.05	mg/L	0.03
SW6010	BARIUM	0.0234	mg/L	0.005
SW6010	BORON	0.317	mg/L	0.2
SW6010	CALCIUM	105	mg/L	1
SW6010	IRON	0.0349	mg/L	0.1	J
SW6010	MAGNESIUM	34.8	mg/L	1
SW6010	MANGANESE	ND	mg/L	0.01	U
SW6010	POTASSIUM	4.4	mg/L	2
SW6010	SELENIUM	ND	mg/L	0.01	U
SW6010	SODIUM	146	mg/L	3
SW6010	STRONTIUM	2.33	mg/L	0.01
SW8015	TEPH Diesel Range Organics (extended)	ND	mg/L	0.1	U
SW8015	TVPH - Gasoline Range Organics	ND	mg/L	0.1	U
SW846 8260B	BENZENE	ND	mg/L	0.001	U
SW846 8260B	ETHYLBENZENE	ND	mg/L	0.001	U
SW846 8260B	TOLUENE	ND	mg/L	0.001	U
SW846 8260B	TOTAL XYLENES	ND	mg/L	0.003	U
SW9040	PH, LAB	8.01	SU		T8
SW9050	SPECIFIC CONDUCTIVITY	1450	UMHOS/CM	10
SW9056	BROMIDE	1.58	mg/L	1
SW9056	CHLORIDE	174	mg/L	1
SW9056	FLUORIDE	1.98	mg/L	0.15
SW9056	NITRATE	8.03	mg/L	0.1
SW9056	NITRITE	ND	mg/L	0.1	U
SW9056	SULFATE	189	mg/L	5

Sample ID: 673268 Sample Date: 08/13/2025 Matrix: WATER Collection Point: MW Type: GW Lab: Pace Analytical

Sample Results for Sample # 673268 Pace Analytical ID: L1889096-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
RSK-175	ETHANE	ND	ug/L	13	U
RSK-175	METHANE	ND	ug/L	10	U
RSK-175	PROPANE	ND	ug/L	18.6	U
SM2320B	BICARBONATE ALKALINITY as CACO3	294000	ug/L	20000
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	ug/L	20000	U
SM2320B	TOTAL ALKALINITY AS CACO3	294000	ug/L	20000
SM2540C	TOTAL DISSOLVED SOLIDS	932000	ug/L	20000
SM4500-P-E	ORTHOPHOSPHATE	48	ug/L	30	T8
SW6010	CALCIUM	115000	ug/L	1000
SW6010	MAGNESIUM	37800	ug/L	1000
SW6010	POTASSIUM	4290	ug/L	2000
SW6010	SODIUM	148000	ug/L	3000
SW8015	TEPH Diesel Range Organics (extended)	ND	ug/L	100	U
SW8015	TVPH - Gasoline Range Organics	ND	ug/L	100	U
SW8260	BENZENE	ND	ug/L	1	U
SW8260	ETHYLBENZENE	ND	ug/L	1	U
SW8260	TOLUENE	ND	ug/L	1	U
SW8260	TOTAL XYLENES	ND	ug/L	3	U
SW9056	BROMIDE	ND	ug/L	1000	U
SW9056	CHLORIDE	168000	ug/L	10000
SW9056	FLUORIDE	2170	ug/L	150
SW9056	SULFATE	171000	ug/L	50000

Sample ID: 626942 Sample Date: 06/30/2021 Matrix: WATER Collection Point: MW Type: GW Lab: Pace Analytical

Sample Results for Sample # 626942 Pace Analytical ID: L1373149-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
BART	BACTERIA, IRON RELATED		cfu/ml
BART	BACTERIA, SLIME FORMING		cfu/ml
BART	BACTERIA, SULFATE REDUCING		cfu/ml
E365.4	PHOSPHORUS	0.173	mg/L	0.1
RSK-175	ETHANE	ND	mg/L	0.013	U
RSK-175	METHANE	ND	mg/L	0.01	U
RSK-175	PROPANE	ND	mg/L	0.019	U
SM2320B	BICARBONATE ALKALINITY as CACO3	312	mg/L	20
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	mg/L	20	U
SM2320B	TOTAL ALKALINITY AS CACO3	312	mg/L	20
SM2540C	TOTAL DISSOLVED SOLIDS	908	mg/L	20
SM4500-P-E	ORTHOPHOSPHATE	ND	mg/L	0.03	U
SW6010	BARIUM	0.0733	mg/L	0.005
SW6010	BORON	0.32	mg/L	0.2
SW6010	CALCIUM	108	mg/L	1
SW6010	IRON	2.12	mg/L	0.1
SW6010	MAGNESIUM	37	mg/L	1
SW6010	MANGANESE	0.188	mg/L	0.01
SW6010	POTASSIUM	6.44	mg/L	2
SW6010	SELENIUM	ND	mg/L	0.01	U
SW6010	SODIUM	151	mg/L	3
SW6010	STRONTIUM	2.35	mg/L	0.01
SW8015	TEPH Diesel Range Organics (extended)	ND	mg/L	0.1	U
SW8015	TVPH - Gasoline Range Organics	ND	mg/L	0.1	U
SW846 8260B	BENZENE	ND	mg/L	0.001	U
SW846 8260B	ETHYLBENZENE	ND	mg/L	0.001	U
SW846 8260B	TOLUENE	ND	mg/L	0.001	U
SW846 8260B	TOTAL XYLENES	ND	mg/L	0.003	U
SW9040	PH, LAB	8.22	SU		T8
SW9050	SPECIFIC CONDUCTIVITY	1450	UMHOS/CM	10
SW9056	BROMIDE	ND	mg/L	1	U
SW9056	CHLORIDE	157	mg/L	5
SW9056	FLUORIDE	2.42	mg/L	0.15
SW9056	NITRATE	7.28	mg/L	0.1
SW9056	Nitrite as NO2	ND	mg/L	0.1	U
SW9056	SULFATE	203	mg/L	25

Sample ID: 650502 Sample Date: 05/25/2023 Matrix: WATER Collection Point: MW Type: MIX Lab: Pace Analytical

Sample Results for Sample # 650502 Pace Analytical ID: L1620311-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
BART	BACTERIA, IRON RELATED		CFU/100mL
BART	BACTERIA, SLIME FORMING		CFU/100mL
BART	BACTERIA, SULFATE REDUCING		CFU/100mL
E365.4	PHOSPHORUS	ND	mg/L	0.1	U
RSK-175	ETHANE	ND	mg/L	0.013	U
RSK-175	METHANE	ND	mg/L	0.01	U
RSK-175	PROPANE	ND	mg/L	0.019	U
SM2320B	BICARBONATE ALKALINITY as CACO3	283	mg/L	20
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	mg/L	20	U
SM2320B	TOTAL ALKALINITY AS CACO3	283	mg/L	20
SM2540C	TOTAL DISSOLVED SOLIDS	874	mg/L	20
SM4500-P-E	ORTHOPHOSPHATE	0.126	mg/L	0.03
SW6010	BARIUM	0.0234	mg/L	0.005
SW6010	BORON	0.36	mg/L	0.2
SW6010	CALCIUM	109	mg/L	1
SW6010	IRON	ND	mg/L	0.1	U
SW6010	MAGNESIUM	36.4	mg/L	1
SW6010	MANGANESE	ND	mg/L	0.01	U
SW6010	POTASSIUM	5	mg/L	2	B
SW6010	SELENIUM	ND	mg/L	0.01	U
SW6010	SODIUM	158	mg/L	3
SW6010	STRONTIUM	2.4	mg/L	0.01
SW8015	TEPH Diesel Range Organics (extended)	ND	mg/L	0.1	U
SW8015	TVPH - Gasoline Range Organics	ND	mg/L	0.1	U
SW846 8260B	BENZENE	ND	mg/L	0.001	U
SW846 8260B	ETHYLBENZENE	ND	mg/L	0.001	U
SW846 8260B	TOLUENE	ND	mg/L	0.001	U
SW846 8260B	TOTAL XYLENES	ND	mg/L	0.003	U
SW9040	PH, LAB	8.05	SU		T8
SW9050	SPECIFIC CONDUCTIVITY	1500	UMHOS/CM	10
SW9056	BROMIDE	ND	mg/L	1	U
SW9056	CHLORIDE	173	mg/L	1
SW9056	FLUORIDE	2.13	mg/L	0.15
SW9056	NITRATE	8	mg/L	0.1
SW9056	NITRITE	ND	mg/L	0.1	U
SW9056	SULFATE	186	mg/L	5

Sample ID: 673272 Sample Date: 04/16/2025 Matrix: WATER Collection Point: MW Type: GW Lab: Pace Analytical

Sample Results for Sample # 673272 Pace Analytical ID: L1848974-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
RSK-175	ETHANE	ND	ug/L	13	U
RSK-175	METHANE	ND	ug/L	10	U
RSK-175	PROPANE	ND	ug/L	18.6	U
SM2320B	BICARBONATE ALKALINITY as CACO3	286000	ug/L	20000
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	ug/L	20000	U
SM2320B	TOTAL ALKALINITY AS CACO3	286000	ug/L	20000
SM2540C	TOTAL DISSOLVED SOLIDS	914000	ug/L	20000
SM4500-P-E	ORTHOPHOSPHATE	53	ug/L	30
SW6010	CALCIUM	115000	ug/L	1000
SW6010	MAGNESIUM	38200	ug/L	1000
SW6010	POTASSIUM	4270	ug/L	2000
SW6010	SODIUM	150000	ug/L	3000
SW8015	TEPH Diesel Range Organics (extended)	ND	ug/L	100	U
SW8015	TVPH - Gasoline Range Organics	ND	ug/L	100	U
SW846 8260B	BENZENE	ND	ug/L	1	U
SW846 8260B	ETHYLBENZENE	ND	ug/L	1	U
SW846 8260B	TOLUENE	ND	ug/L	1	U
SW846 8260B	TOTAL XYLENES	ND	ug/L	3	U
SW9056	BROMIDE	ND	ug/L	1000	U
SW9056	CHLORIDE	178000	ug/L	10000
SW9056	FLUORIDE	1950	ug/L	150
SW9056	SULFATE	186000	ug/L	50000

Sample ID: 637078 Sample Date: 03/30/2022 Matrix: WATER Collection Point: MW Type: GW Lab: Pace Analytical

Sample Results for Sample # 637078 Pace Analytical ID: L1477346-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
RSK-175	ETHANE	ND	ug/L	13	U
RSK-175	METHANE	ND	ug/L	10	U
RSK-175	PROPANE	ND	ug/L	19	U
SM2320B	BICARBONATE ALKALINITY as CACO3	410000	ug/L	20000
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	ug/L	20000	U
SM2320B	TOTAL ALKALINITY AS CACO3	410000	ug/L	20000
SM2540C	TOTAL DISSOLVED SOLIDS	1.22e+006	ug/L	20000
SW6010	CALCIUM	128000	ug/L	1000
SW6010	MAGNESIUM	72700	ug/L	1000
SW6010	POTASSIUM	4240	ug/L	2000
SW6010	SODIUM	181000	ug/L	3000	V
SW8015	C10-C28 Diesel Range Organics	ND	ug/L	100	U
SW8015	C28-C40 Oil Range Organics	ND	ug/L	100	U
SW8015	TVPH - Gasoline Range Organics	ND	ug/L	100	U
SW846 8260B	BENZENE	ND	ug/L	1	U
SW846 8260B	ETHYLBENZENE	ND	ug/L	1	U
SW846 8260B	TOLUENE	ND	ug/L	1	U
SW846 8260B	TOTAL XYLENES	ND	ug/L	3	U
SW9056	BROMIDE	ND	ug/L	1000	U
SW9056	CHLORIDE	261000	ug/L	5000
SW9056	FLUORIDE	2660	ug/L	150
SW9056	SULFATE	243000	ug/L	25000

Sample ID: 673274 Sample Date: 02/07/2025 Matrix: WATER Collection Point: MW Type: GW Lab: Pace Analytical

Sample Results for Sample # 673274 Pace Analytical ID: L1824716-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
RSK-175	ETHANE	ND	ug/L	13	U
RSK-175	METHANE	ND	ug/L	10	U
RSK-175	PROPANE	ND	ug/L	18.6	U
SM2320B	BICARBONATE ALKALINITY as CACO3	266000	ug/L	20000
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	ug/L	20000	U
SM2320B	TOTAL ALKALINITY AS CACO3	266000	ug/L	20000
SM2540C	TOTAL DISSOLVED SOLIDS	952000	ug/L	20000
SM4500-P-E	ORTHOPHOSPHATE	56	ug/L	30
SW6010	CALCIUM	115000	ug/L	1000
SW6010	MAGNESIUM	37600	ug/L	1000
SW6010	POTASSIUM	4530	ug/L	2000
SW6010	SODIUM	148000	ug/L	3000
SW8015	TEPH Diesel Range Organics (extended)	ND	ug/L	100	U
SW8015	TVPH - Gasoline Range Organics	ND	ug/L	100	U
SW846 8260B	BENZENE	ND	ug/L	1	U
SW846 8260B	ETHYLBENZENE	ND	ug/L	1	U
SW846 8260B	TOLUENE	ND	ug/L	1	U
SW846 8260B	TOTAL XYLENES	ND	ug/L	3	U
SW9056	BROMIDE	ND	ug/L	1000	U
SW9056	CHLORIDE	182000	ug/L	5000
SW9056	FLUORIDE	2240	ug/L	150
SW9056	SULFATE	189000	ug/L	25000

Sample ID: 674320 Sample Date: 01/27/2026 Matrix: WATER Collection Point: MW Type: GW Lab: Pace Analytical

Sample Results for Sample # 674320 Pace Analytical ID: L1938746-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
RSK-175	ETHANE	ND	ug/L	13	U
RSK-175	METHANE	ND	ug/L	10	U
RSK-175	PROPANE	ND	ug/L	18.6	U
SM2320B	BICARBONATE ALKALINITY as CACO3	295000	ug/L	20000
SM2320B	CARBONATE ALKALINITY AS CACO3	ND	ug/L	20000	U
SM2320B	TOTAL ALKALINITY AS CACO3	295000	ug/L	20000
SM2540C	TOTAL DISSOLVED SOLIDS	872000	ug/L	20000
SM4500-P-E	ORTHOPHOSPHATE	54	ug/L	30
SW6010	CALCIUM	115000	ug/L	1000
SW6010	MAGNESIUM	38900	ug/L	1000
SW6010	POTASSIUM	4120	ug/L	2000
SW6010	SODIUM	149000	ug/L	3000
SW8015	TEPH Diesel Range Organics (extended)	ND	ug/L	100	U
SW8015	TVPH - Gasoline Range Organics	ND	ug/L	100	U
SW8260	BENZENE	ND	ug/L	1	U
SW8260	ETHYLBENZENE	ND	ug/L	1	U
SW8260	TOLUENE	ND	ug/L	1	U
SW8260	TOTAL XYLENES	ND	ug/L	3	U
SW9056	BROMIDE	ND	ug/L	1000	U
SW9056	CHLORIDE	149000	ug/L	10000
SW9056	FLUORIDE	2150	ug/L	150
SW9056	SULFATE	149000	ug/L	50000

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