Public water system record
Plaistow Water Dept
Serves an area of Rockingham County, NH · 465 people served
Federal records show 4 health-based violations and no monitoring/reporting issues for Plaistow Water Dept in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 4
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Plaistow Water Dept buys its water from Hampstead Area Water.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.139 mg/L, federal limit 0.06 mg/L (2.3 times the limit), 2022.
Check whether Plaistow Water Dept 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 |
|---|---|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.072 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Jul 1, 2023 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.076 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Apr 1, 2023 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.06 mg/L (1.6 times the limit)
|
220 | Jan 1, 2023 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.139 mg/L, federal limit 0.06 mg/L (2.3 times the limit)
|
220 | Oct 1, 2022 | Resolved | No |
What the violations mean
Haloacetic Acids (HAA5)
4 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Where the water comes from
Plaistow Water Dept buys its water from Hampstead Area Water. It lists no wells or intakes of its own. 2 other community water systems buy water from Plaistow Water Dept.
Buys water from
- Hampstead Area Water Atkinson, NH
Community systems that buy water from it
- Sweet Hill Estates Nashua, NH
- Twin Ridge Condos Nashua, NH
Annual water quality report
Plaistow Water Dept 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 Plaistow Water Dept 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 Hampshire.
Certified drinking water labs by state EPA guidance for private wells