Public water system record
South Weare Water
Serves an area of Hillsborough County, NH · 200 people served
Federal records show 6 health-based violations and 5 monitoring/reporting issues for South Weare Water in the last ten years. The most serious issue in this window was a resolved Arsenic violation.
System profile
- Health-based violations, last 10 years
- 6
- Resolved
- 6
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 5
Key facts
- South Weare Water draws water from 5 wells (1 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Arsenic, 0.026 mg/L, federal limit 0.01 mg/L (2.6 times the limit), 2023.
- Most recent formal enforcement: compliance order (no penalty) by New Hampshire, April 2011.
- Record on file since 1995, with 22 health-based violations before October 19, 2016.
Check whether South Weare Water 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 |
|---|---|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.026 mg/L, federal limit 0.01 mg/L (2.6 times the limit)
|
330 | Oct 1, 2023 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0223 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
|
330 | Jul 1, 2023 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2023 | Resolved | Yes |
|
Arsenic
Contaminant limit exceeded
Measured 0.0153 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
330 | Apr 1, 2023 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0115 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Jan 1, 2023 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Jul 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Feb 14, 2024 | Resolved |
|
Public Notice
OTHER
|
Nov 1, 2023 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 21, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2017 | Resolved |
Full record since 1995
EPA's records for South Weare Water go back to 1995. Before October 19, 2016 they list 22 health-based violations (21 resolved, 1 archived by EPA without a recorded fix) and 28 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 3 |
| 2000s | 12 | 5 |
| 2010 to October 18, 2016 | 8 | 20 |
| October 19, 2016 to 2019 | 1 | 3 |
| 2020s | 5 | 2 |
Most recent health-based violation before October 19, 2016: Arsenic, began April 2015, Resolved.
Show all 22 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Apr 1, 2015 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Oct 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jul 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Apr 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Mar 10, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.021 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
|
Apr 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.027 mg/L, federal limit 0.01 mg/L (2.7 times the limit)
|
Jan 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2006 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 2006 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1997 | Resolved |
Enforcement actions
New Hampshire regulators took 1 formal enforcement action against South Weare Water in 2011. The most recent was a compliance order (no penalty) in April 2011.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 19, 2011 | New Hampshire | Compliance order (no penalty) | 1 violation (1 health-based): Groundwater Rule |
What the violations mean
Arsenic
4 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Revised Total Coliform Rule
2 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
South Weare Water draws water from 5 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
South Weare Water 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 South Weare Water 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