Public water system record
Rockhouse Mountain
Serves an area of Carroll County, NH · 480 people served
Federal records show 10 health-based violations and 8 monitoring/reporting issues for Rockhouse Mountain in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 10
- Resolved
- 10
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 8
Key facts
- Rockhouse Mountain draws water from 4 wells.
- Highest measured level in the last 10 years: Combined Uranium, 36 µg/L, federal limit 30 µg/L (1.2 times the limit), 2017.
- Record on file since 1992, with 9 health-based violations before October 19, 2016.
Check whether Rockhouse Mountain 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Sep 15, 2024 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Nov 6, 2023 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Nov 29, 2019 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Oct 1, 2018 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Sep 9, 2018 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
Measured 35 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
340 | Jul 1, 2017 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
Measured 36 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
340 | Apr 1, 2017 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
340 | Jan 1, 2017 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Nov 1, 2016 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
|
340 | Oct 1, 2016 | 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
RPT
|
Sep 15, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 6, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 29, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 9, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 1, 2016 | Resolved |
Full record since 1992
EPA's records for Rockhouse Mountain go back to 1992. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 14 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 1 |
| 2000s | 0 | 7 |
| 2010 to October 18, 2016 | 7 | 6 |
| October 19, 2016 to 2019 | 7 | 6 |
| 2020s | 2 | 2 |
Most recent health-based violation before October 19, 2016: Combined Uranium, began October 2016, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
|
Oct 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Jan 1, 2012 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 35 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
Oct 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 45 µg/L, federal limit 30 µg/L (1.5 times the limit)
|
Jul 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1992 | Resolved |
What the violations mean
Revised Total Coliform Rule
6 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
Combined Uranium
4 incidentsTest results for Combined Uranium were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Rockhouse Mountain draws water from 4 wells.
Annual water quality report
Rockhouse Mountain 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 Rockhouse Mountain 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