Public water system record

Cornish Town Water System

Serves Cornish, Cache County, UT · 275 people served

Federal records show 5 health-based violations and 64 monitoring/reporting issues for Cornish Town Water System in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • UTAH03005
  • CORNISH
  • UT
  • 275 served

System profile

Source water Groundwater
ZIP 84308
EPA system ID UTAH03005

Verify this system on EPA ECHO →

Health-based violations, last 10 years
5
Resolved
5
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
64

Key facts

  • Cornish Town Water System draws water from 1 well.
  • Highest measured level in the last 10 years: Nitrate, 13.5 mg/L, federal limit 10 mg/L (1.4 times the limit), 2023.
  • Most recent enforcement action: boil water order by Utah, February 2025.
  • Record on file since 1979, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 60 unknown out of 123 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Revised Total Coliform Rule
Contaminant limit exceeded
110 Jan 1, 2025 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 13.5 mg/L, federal limit 10 mg/L (1.4 times the limit)
330 Jun 1, 2023 Resolved Yes
Groundwater Rule
Treatment technique failure
140 Nov 11, 2017 Resolved No
Groundwater Rule
Treatment technique failure
140 Nov 11, 2017 Resolved No
Groundwater Rule
Treatment technique failure
140 Nov 11, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
Oct 2, 2025 Active
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Consumer Confidence Rule
OTHER
Oct 2, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Nitrate
Monitoring and reporting
Dec 1, 2022 Resolved
Nitrate
Monitoring and reporting
Dec 1, 2022 Resolved
Nitrate
Monitoring and reporting
Nov 1, 2022 Resolved
Nitrate
Monitoring and reporting
Oct 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2020 Resolved
Radium-228
Monitoring and reporting
Jan 1, 2020 Resolved
Radium-226
Monitoring and reporting
Jan 1, 2020 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2020 Resolved
Selenium
Monitoring and reporting
Jan 1, 2020 Resolved
Thallium, Total
Monitoring and reporting
Jan 1, 2020 Resolved
Beryllium, Total
Monitoring and reporting
Jan 1, 2020 Resolved
Antimony, Total
Monitoring and reporting
Jan 1, 2020 Resolved
Nickel
Monitoring and reporting
Jan 1, 2020 Resolved
Mercury
Monitoring and reporting
Jan 1, 2020 Resolved
Fluoride
Monitoring and reporting
Jan 1, 2020 Resolved
CYANIDE
Monitoring and reporting
Jan 1, 2020 Resolved
Chromium (total)
Monitoring and reporting
Jan 1, 2020 Resolved
Cadmium
Monitoring and reporting
Jan 1, 2020 Resolved
Barium
Monitoring and reporting
Jan 1, 2020 Resolved
Arsenic
Monitoring and reporting
Jan 1, 2020 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2020 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2020 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2020 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2020 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2020 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2020 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2020 Resolved
LASSO
Monitoring and reporting
Jan 1, 2020 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2020 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2020 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2020 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2020 Resolved
Picloram
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2020 Resolved
Simazine
Monitoring and reporting
Jan 1, 2020 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2020 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2020 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2020 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2020 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2020 Resolved
Endrin
Monitoring and reporting
Jan 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2017 Resolved
Revised Total Coliform Rule
RPT
Jul 12, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2017 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2003 Resolved

Full record since 1979

EPA's records for Cornish Town Water System go back to 1979. Before October 19, 2016 they list 4 health-based violations (1 resolved, 3 archived by EPA without a recorded fix) and 93 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 1 0
1980s 1 2
1990s 1 34
2000s 0 48
2010 to October 18, 2016 1 9
October 19, 2016 to 2019 3 14
2020s 2 49

Most recent health-based violation before October 19, 2016: Groundwater Rule, began January 2012, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
Jan 30, 2012 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 1999 Archived
Nitrate (acute)
Contaminant limit exceeded
Oct 1, 1981 Archived
Nitrate (acute)
Contaminant limit exceeded
Oct 1, 1979 Archived

Enforcement actions

Utah regulators took 1 formal enforcement action against Cornish Town Water System and issued 1 boil water order and 1 ban on new connections between 1991 and 2025. The most recent was a boil water order in February 2025.

Date By Action Violations covered
Feb 13, 2025 Utah Boil water order 1 violation (1 health-based): Revised Total Coliform Rule
Oct 24, 2024 Utah Compliance order (no penalty) 2 violations: Consumer Confidence Rule
Dec 4, 1991 Utah Ban on new connections or service extensions 1 violation

What the violations mean

Groundwater Rule

3 incidents

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about each of these violations.

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Nitrate

1 incident

Nitrate exceeded the federal limit

High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome

Where the water comes from

Cornish Town Water System draws water from 1 well.

Annual water quality report

Cornish Town Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Cornish Town Water System for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Utah.