Public water system · NH0203020
ActiveLadd Hill MHP
At a glance
Ladd Hill MHP (PWSID NH0203020) is an active community water system in Belknap County, New Hampshire. It reports serving 70 people through 32 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
70
Service connections
32
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Ladd Hill MHP compare with other water systems in Belknap County?
By EPA's size categories, Ladd Hill MHP is a very small system (500 people or fewer). Belknap County has 255 active public water systems. Its population served is well below the county average of 278 people per system, and accounts for less than 0.1% 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 community water system reports serving 6,703 people, so Ladd Hill MHP 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 Ladd Hill MHP?
EPA lists Ladd Hill MHP 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 Ladd Hill MHP have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2017. The violations listed here began between January 2001 and October 2017. By type: 4 monitoring and reporting, 4 public notice, recordkeeping or other and 4 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2017-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2016-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2005-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent 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.
Ladd Hill MHP: frequently asked questions
Who runs Ladd Hill MHP?
Ladd Hill MHP (PWSID NH0203020) is a community water system privately owned. It is regulated by the NH state drinking water program.
How many people does Ladd Hill MHP serve?
Ladd Hill MHP reports serving 70 people through 32 service connections in Belknap County, New Hampshire.
Where does Ladd Hill MHP 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 Ladd Hill MHP have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2017. 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 Ladd Hill MHP'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. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the NH state drinking water program.
Where can I find Ladd Hill MHP's water quality report?
As a community water system, Ladd Hill MHP 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 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, “Ladd Hill MHP, PWSID NH0203020, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/ladd-hill-mhp-nh0203020 (data as of October 1, 2026).