Public water system · NH0897010
ActiveHidden Valley/Dining Hall
At a glance
Hidden Valley/Dining Hall (PWSID NH0897010) is an active transient non-community water system in Belknap County, New Hampshire. It reports serving 400 people through 75 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in November 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
400
Service connections
75
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hidden Valley/Dining Hall compare with other water systems in Belknap County?
By EPA's size categories, Hidden Valley/Dining Hall is a very small system (500 people or fewer). Belknap County has 255 active public water systems. Its population served is about 44% above the county average of 278 people per system, and accounts for 0.6% of the 70,916 people reported by systems filed under the county. Across New Hampshire, the 2,450 active systems average 508 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Hidden Valley/Dining Hall is about 178% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New Hampshire has 1,291 active transient non-community water systems, 53% 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 Hidden Valley/Dining Hall?
EPA lists Hidden Valley/Dining Hall 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. 232 of the 255 active systems in Belknap County (91%) are also privately owned.
Does Hidden Valley/Dining Hall have drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in November 2018. The violations listed here began between July 2005 and November 2018. By type: 2 contaminant level above the legal limit, 1 reporting, 1 monitoring, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2018-11-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-11-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2008-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 6 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.
Hidden Valley/Dining Hall: frequently asked questions
Who runs Hidden Valley/Dining Hall?
Hidden Valley/Dining Hall (PWSID NH0897010) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.
How many people does Hidden Valley/Dining Hall serve?
Hidden Valley/Dining Hall reports serving 400 people through 75 service connections in Belknap County, New Hampshire.
Where does Hidden Valley/Dining Hall 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 Hidden Valley/Dining Hall have any drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in November 2018. 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 Hidden Valley/Dining Hall'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 6 violations for this system; 2 are health-based, and the most recent began in November 2018. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find Hidden Valley/Dining Hall's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hidden Valley/Dining Hall is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Belknap County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Laconia Water Works | Belknap | 17,125 | Community | Surface water |
| Meredith Water Dept | Belknap | 3,750 | Community | Surface water |
| Locke Lake | Belknap | 2,308 | Community | Surface water |
| Alton Water Works | Belknap | 1,800 | Community | Groundwater |
| Belmont Water Dept | Belknap | 1,612 | Community | Groundwater |
| Gunstock Acres Village Dist | Belknap | 1,440 | 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, “Hidden Valley/Dining Hall, PWSID NH0897010, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/hidden-valley-dining-hall-nh0897010 (data as of October 1, 2026).