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.
System profile
- 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
Health-based violations
Since October 2016Violation 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 2016Missed 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 incidentsDisinfection 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
- Sackets Harbor Village Watertown, NY
- Brownville Village Brownville, NY
Emergency or part-time connections to
- Hounsfield WD 2 Watertown, NY
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.
Certified drinking water labs by state EPA guidance for private wells