Hildale - Colorado City

Published drinking-water records and contacts for Hildale - Colorado City. System UTAH27006. Review sources and dates; not a real-time water assessment.

System ID: UTAH27006
State or territory: UT
Published population served: 6100
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 120 — 2023-03-15 – 2024-03-27
Lead and copper monitoring summaries: 17 — 1993-07-01 – 2023-12-31
Utah DEQ PFAS sampling: 892 — 2023-11-08 – 2024-09-18

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
Substance	Published result	Reporting limit	Sample date	Sampling location
11Cl-PF3OUdS	< 0.005 µg/L	0.005 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
ADONA	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFBA	< 0.005 µg/L	0.005 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
PFBS	0.0091 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
PFDA	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
PFHxA	0.008 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
PFNA	< 0.004 µg/L	0.004 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFOA	< 0.004 µg/L	0.004 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
PFOS	< 0.004 µg/L	0.004 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFPeA	< 0.003 µg/L	0.003 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFTA	< 0.008 µg/L	0.008 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS049
lithium	< 9 µg/L	9 µg/L	2024-03-27	HILDALE - COLORADO CITY / SS048

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
Substance	Published 90th percentile	Monitoring period	Source quarter
Lead (PB90)	0.001 mg/L	2021-01-01 – 2023-12-31	2026Q3
Lead (PB90)	0.0037 mg/L	2018-01-01 – 2020-12-31	2026Q3
Lead (PB90)	0.0042 mg/L	2015-01-01 – 2017-12-31	2026Q3
Lead (PB90)	0.0076 mg/L	2012-01-01 – 2014-12-31	2026Q3
Lead (PB90)	0.0063 mg/L	2009-01-01 – 2011-12-31	2026Q3
Lead (PB90)	0.005 mg/L	2005-01-01 – 2007-12-31	2026Q3
Lead (PB90)	0.005 mg/L	2003-01-01 – 2003-12-31	2026Q3
Lead (PB90)	0.005 mg/L	2003-01-01 – 2003-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
6:2 FTS	< 0.5 ppt	2024-09-18	WS003 -WELL NO 4A / Utah DEQ PFAS sampling
NFDHA	< 0.48 ppt	2024-09-18	WS014 -WELL NO 24 / Utah DEQ PFAS sampling
F53B-Minor	< 0.6 ppt	2024-09-18	WS006 -WELL NO 11 / Utah DEQ PFAS sampling
HFPO-DA	< 0.48 ppt	2024-09-18	WS004 -WELL NO 8 / Utah DEQ PFAS sampling
PFMBA	< 0.48 ppt	2024-09-18	WS004 -WELL NO 8 / Utah DEQ PFAS sampling
PFDoA	< 0.5 ppt	2024-09-18	WS003 -WELL NO 4A / Utah DEQ PFAS sampling
PFPeA	2.6 ppt	2024-09-18	TP003 -WELLS CHLORINATOR & FILTER PLANT / Utah DEQ PFAS sampling
PFOS	1 ppt	2024-09-18	WS003 -WELL NO 4A / Utah DEQ PFAS sampling
ADONA	< 0.5 ppt	2024-09-18	WS013 -WELL NO 4B / Utah DEQ PFAS sampling
HFPO-DA	< 0.49 ppt	2024-09-18	WS013 -WELL NO 4B / Utah DEQ PFAS sampling
6:2 FTS	< 0.5 ppt	2024-09-18	WS004 -WELL NO 8 / Utah DEQ PFAS sampling
PFHxS	< 0.47 ppt	2024-09-18	WS013 -WELL NO 4B / Utah DEQ PFAS sampling

State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.

Download state records with source notes (CSV)

Published compliance history

182 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Twenty most recent imported compliance records
Rule / record	Period	Recorded status	Health-based (EPA classification)	Source quarter
Ground Water Rule / Monitoring, Source Water (GWR)	2025-06-04 – —	Unaddressed	No	2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)	2025-05-01 – 2025-05-31	Resolved	No	2026Q3
Ground Water Rule / Monitoring, Source Water (GWR)	2024-07-25 – —	Unaddressed	No	2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)	2024-01-01 – 2024-12-31	Resolved	No	2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)	2024-01-01 – 2024-12-31	Resolved	No	2026Q3
Ground Water Rule / Monitoring, Source Water (GWR)	2019-05-30 – —	Resolved	No	2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)	2018-07-01 – 2018-07-31	Resolved	No	2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2018-07-01 – 2018-09-30	Resolved	No	2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
Utah DEQ PFAS sampling — last successful check: 2026-10-11

Administrative contact (EPA filing)

Postema, Jerold: 602-614-6912

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records