Public water system · NH0262050
ActiveWhite Rock Senior Living
At a glance
White Rock Senior Living (PWSID NH0262050) is an active community water system in Merrimack County, New Hampshire. It reports serving 120 people through 48 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
120
Service connections
48
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does White Rock Senior Living compare with other water systems in Merrimack County?
By EPA's size categories, White Rock Senior Living is a very small system (500 people or fewer). Merrimack County has 244 active public water systems. Its population served is well below the county average of 509 people per system, and accounts for less than 0.1% of the 124,152 people reported by systems filed under the county. Across New Hampshire, the 2,450 active systems average 508 people each. Nationally, the average active community water system reports serving 6,703 people, so White Rock Senior Living is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. New Hampshire has 706 active community water systems, 29% of the state's 2,450 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,374 New Hampshire systems (97%) list groundwater as their primary source.
Who owns and regulates White Rock Senior Living?
EPA lists White Rock Senior Living as privately owned. The NH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 194 of the 244 active systems in Merrimack County (80%) are also privately owned.
Does White Rock Senior Living have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2010. The violations listed here began between December 2002 and July 2010. By type: 1 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminants or rules involved are Chlorine, Consumer Confidence Rule and Total coliform bacteria (TCR). EPA lists 3 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2010-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2003-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
White Rock Senior Living: frequently asked questions
Who runs White Rock Senior Living?
White Rock Senior Living (PWSID NH0262050) is a community water system privately owned. It is regulated by the NH state drinking water program.
How many people does White Rock Senior Living serve?
White Rock Senior Living reports serving 120 people through 48 service connections in Merrimack County, New Hampshire.
Where does White Rock Senior Living get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does White Rock Senior Living have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2010. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is White Rock Senior Living's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2010. For current results, consult the system's annual water quality report, EPA ECHO, or the NH state drinking water program.
Where can I find White Rock Senior Living's water quality report?
As a community water system, White Rock Senior Living must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Merrimack County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Concord Water Dept | Merrimack | 44,215 | Community | Surface water |
| Franklin Water Works | Merrimack | 7,200 | Community | Groundwater |
| Pembroke Water Works | Merrimack | 5,200 | Community | Groundwater |
| Central Hooksett Water Pct | Merrimack | 4,650 | Community | Purchased surface water |
| Penacook Boscawen Water Pct | Merrimack | 3,800 | Community | Groundwater |
| New London Springfield Water | Merrimack | 3,250 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “White Rock Senior Living, PWSID NH0262050, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/white-rock-senior-living-nh0262050 (data as of October 1, 2026).