Public water system record

Hounsfield WD 1, 5

On record as serving Jefferson County, NY · Serves 480 people

Federal records show 7 health-based violations and 2 monitoring/reporting issues for Hounsfield WD 1, 5 in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • NY2221870
  • WATERTOWN
  • NY
  • 480 served

System profile

Source water Purchased surface water
ZIP 13601
EPA system ID NY2221870

Verify this system on EPA ECHO →

Health-based violations, last 10 years
7
Resolved
7
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Hounsfield WD 1, 5 draws water from 2 wells.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 110.9 µg/L, federal limit 80 µg/L (1.4 times the limit), 2018.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, August 2018.
  • Record on file since 2015, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 118 service lines.

Check whether Hounsfield WD 1, 5 serves your address

Address suggestions by Mapbox

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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 80.3 µg/L, federal limit 80 µg/L (at or just above the limit)
220 Jul 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 107.9 µg/L, federal limit 80 µg/L (1.3 times the limit)
220 Apr 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 110.9 µg/L, federal limit 80 µg/L (1.4 times the limit)
220 Jan 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 110.5 µg/L, federal limit 80 µg/L (1.4 times the limit)
220 Oct 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 105 µg/L, federal limit 80 µg/L (1.3 times the limit)
220 Jul 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 90.1 µg/L, federal limit 80 µg/L (1.1 times the limit)
220 Apr 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 88.5 µg/L, federal limit 80 µg/L (1.1 times the limit)
220 Jan 1, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
May 1, 2025 Resolved

Full record since 2015

EPA's records for Hounsfield WD 1, 5 go back to 2015. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 1 monitoring or reporting violation.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 3 1
October 19, 2016 to 2019 7 0
2020s 0 2

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began April 2016, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85.3 µg/L, federal limit 80 µg/L (1.1 times the limit)
Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 94.3 µg/L, federal limit 80 µg/L (1.2 times the limit)
Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 96.1 µg/L, federal limit 80 µg/L (1.2 times the limit)
Oct 1, 2015 Resolved

Enforcement actions

New York regulators and EPA took 2 formal enforcement actions against Hounsfield WD 1, 5 and issued 3 boil water orders between 2003 and 2018. The most recent was a compliance order (no penalty) in August 2018.

Date By Action Violations covered
Aug 14, 2018 EPA Compliance order (no penalty) 10 violations (10 health-based): Total Trihalomethanes (TTHMs)
Aug 14, 2015 EPA Compliance order (no penalty) 2 violations (2 health-based): Total Trihalomethanes (TTHMs)
Sep 20, 2004 New York Boil water order 1 violation
May 8, 2003 New York Boil water order 1 violation
Apr 3, 2003 New York Boil water order 1 violation

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

Where the water comes from

Hounsfield WD 1, 5 draws water from 2 wells. It also buys water from Sackets Harbor Village and Brownville Village. It also has an emergency connection to Hounsfield WD 2.

Buys water from

Emergency or part-time connections to

Annual water quality report

Hounsfield WD 1, 5 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 Hounsfield WD 1, 5 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 New York.