Washington City

Published drinking-water records and contacts for Washington City. System UTAH27021. Review sources and dates; not a real-time water assessment.

System ID: UTAH27021
State or territory: UT
Published population served: 45865
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 180 — 2023-10-17 – 2024-07-08
Lead and copper monitoring summaries: 21 — 1993-01-01 – 2024-12-31
Utah DEQ PFAS sampling: 25 — 2025-01-15 – 2025-01-15

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	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
ADONA	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFBA	< 0.005 µg/L	0.005 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFBS	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFDA	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFHxA	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFNA	< 0.004 µg/L	0.004 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFOA	< 0.004 µg/L	0.004 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFOS	< 0.004 µg/L	0.004 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFPeA	< 0.003 µg/L	0.003 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFTA	< 0.008 µg/L	0.008 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015
lithium	26.3 µg/L	9 µg/L	2024-07-08	Washington County WCD - Quail Lake Intertie / WS015

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)	0.0021 mg/L	2022-01-01 – 2024-12-31	2026Q3
Lead (PB90)	0 mg/L	2021-07-01 – 2021-12-31	2026Q3
Lead (PB90)	0 mg/L	2019-01-01 – 2021-12-31	2026Q3
Lead (PB90)	0.014 mg/L	2014-01-01 – 2016-12-31	2026Q3
Lead (PB90)	0 mg/L	2011-01-01 – 2013-12-31	2026Q3
Lead (PB90)	0.0017 mg/L	2008-01-01 – 2010-12-31	2026Q3
Lead (PB90)	0.004 mg/L	2005-01-01 – 2007-12-31	2026Q3
Lead (PB90)	0.002 mg/L	2002-01-01 – 2004-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
ADONA	< 0.5 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
4:2 FTS	< 0.4 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
NFDHA	< 0.5 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
PFMPA	< 0.4 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
PFNA	< 0.5 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
PFEESA	< 0.5 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
HFPO-DA	< 0.4 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
8:2 FTS	< 0.5 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
PFMBA	< 0.4 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
PFHxS	< 0.4 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
PFHpA	< 0.6 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / Utah DEQ PFAS sampling
6:2 FTS	< 0.5 ppt	2025-01-15	SS - 7 8 9 10 11 12 13 17 18 19 20 / 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

58 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
Nitrate Rule / Monitoring, Regular	2025-01-01 – 2025-12-31	Resolved	No	2026Q3
Arsenic Rule / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Inorganic Chemicals / Monitoring, Regular	2020-01-01 – 2022-12-31	Resolved	No	2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)	2019-06-01 – 2019-06-30	Resolved	No	2026Q3
Ground Water Rule / Monitoring, Source Water (GWR)	2017-12-01 – —	Resolved	No	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	2013-09-01 – 2013-09-30	Archived	Yes	2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular	1995-01-01 – 2003-12-31	Archived	No	2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular	1995-01-01 – 2003-12-31	Archived	No	2026Q3
Nitrate Rule / Monitoring, Regular	1993-01-01 – 1993-12-31	Archived	No	2026Q3
Nitrate Rule / Monitoring, Regular	1993-01-01 – 1993-12-31	Archived	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)

Dalton, Lester Carl: 435-656-6317

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