Water Quality: Derry, NH
17 water systems • 18,748 people served
Multiple Health Violations106
Total Violations
44
Health-Based Violations
17
Water Systems
18,748
Population Served
Water Quality Summary
Derry has 44 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Barium, Chlorine Dioxide, Disinfection Byproducts, E. coli, Selenium, TTHM. In total, 106 violations are on record for 17 water systems serving 18,748 people.
Contaminants Found
Barium
Chlorine Dioxide
Disinfection Byproducts
E. coli
Selenium
TTHM
Water Systems Serving Derry
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| DERRY WATER DEPT | NH0611010 | Surface Water | 17,210 | 0 |
| ACKERMAN RETIREMENT PARK | NH2053020 | Groundwater | 350 | 5 |
| RAND SHEPARD HILL | NH0612230 | Groundwater | 158 | 1 |
| CENTENNIAL ESTATES | NH0613060 | Groundwater | 140 | 10 |
| BRANCH RIVER APARTMENTS | NH1972040 | Groundwater | 120 | 2 |
| STANYAN ROAD | NH1612270 | Groundwater | 113 | 6 |
| CANDIA CROSSING | NH0362020 | Groundwater | 80 | 0 |
| BARKLAND ACRES | NH0612040 | Groundwater | 80 | 18 |
| MORNINGSIDE DRIVE | NH0612050 | Groundwater | 80 | 6 |
| AUTUMN WOODS | NH0612220 | Groundwater | 73 | 0 |
| FOREST GLEN CONDOS | NH1932040 | Groundwater | 70 | 0 |
| WILLOW BEND | NH0612240 | Groundwater | 57 | 2 |
| OLD COACH VILLAGE | NH0612210 | Groundwater | 50 | 12 |
| RUNNING BROOK | NH0613030 | Groundwater | 47 | 6 |
| WILDER VILLAGE CLUSTER | NH1712040 | Groundwater | 45 | 5 |
| SHADY LANE APARTMENTS | NH1932220 | Groundwater | 42 | 19 |
| CAMELOT III | NH2542190 | Groundwater | 33 | 14 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.