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Public water system record

US Coast Guard Station-Jonesport

On record as serving Washington County, ME · Serves 25 people

Federal records show 18 health-based violations and 5 monitoring/reporting issues for US Coast Guard Station-Jonesport in the last ten years. The most serious issue in this window was a Interim Enhanced Surface Water Treatment Rule violation that EPA lists as archived, not resolved.

  • ME0091830
  • WATERVILLE
  • ME
  • 25 served

System profile

Source water Groundwater under direct influence
ZIP 04901
EPA system ID ME0091830

Verify this system on EPA ECHO →

Health-based violations, last 10 years
18
Resolved
15
Unresolved
0
Archived by EPA
3
Any acute record
Yes
Monitoring issues, last 10 years
5

Key facts

  • US Coast Guard Station-Jonesport draws water from 1 spring.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.082 mg/L, federal limit 0.06 mg/L (1.4 times the limit), 2024.
  • Record on file since 1995, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 3 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
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 Yes
Surface Water Treatment Rule
Treatment technique failure
 120 Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 Yes
Surface Water Treatment Rule
Treatment technique failure
 120 Jun 1, 2025 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Oct 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.075 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 220 Jul 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jul 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Apr 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
 220 Apr 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jan 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.079 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 220 Jan 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Oct 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Jan 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Oct 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Jul 1, 2022 Resolved No
Surface Water Treatment Rule
Treatment technique failure
 120 Jul 1, 2020 Resolved No
Surface Water Treatment Rule
Treatment technique failure
 120 Aug 1, 2019 Resolved No
Lead and Copper Rule
Treatment technique failure
 350 Apr 1, 2018 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
 Apr 1, 2019 Resolved
Revised Total Coliform Rule
Monitoring violation
 Dec 1, 2016 Resolved

Full record since 1995

EPA's records for US Coast Guard Station-Jonesport go back to 1995. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 2
2000s 1 1
2010 to October 18, 2016 2 4
October 19, 2016 to 2019 2 2
2020s 16 3

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began December 2011, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
 Dec 1, 2011 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Nov 1, 2011 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 2003 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Mar 3, 1997 Resolved

What the violations mean

Total Trihalomethanes (TTHMs)

7 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Surface Water Treatment Rule

4 incidents

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

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

Haloacetic Acids (HAA5)

4 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Interim Enhanced Surface Water Treatment Rule

2 incidents

The system did not meet a filtration or treatment requirement for surface water

Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through

Lead and Copper Rule

1 incident

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

The utility had to notify customers about this violation.

Where the water comes from

US Coast Guard Station-Jonesport draws water from 1 spring.

Annual water quality report

US Coast Guard Station-Jonesport 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 US Coast Guard Station-Jonesport 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 Maine.

Certified drinking water labs by state EPA guidance for private wells