Public water system · NH0912050

Active

Mt Laurel Estates

At a glance

Mt Laurel Estates (PWSID NH0912050) is an active community water system in Hillsborough County, New Hampshire. It reports serving 115 people through 46 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in September 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

115

Service connections

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDNH0912050

System typeCommunity water system

Activity statusActive

Population served115

Service connections46

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyNH state drinking water program

City servedGoffstown

StateNew Hampshire

ZIP—

CountyHillsborough County

How does Mt Laurel Estates compare with other water systems in Hillsborough County?

By EPA's size categories, Mt Laurel Estates is a very small system (500 people or fewer). Hillsborough County has 279 active public water systems. Its population served is well below the county average of 1,206 people per system, and accounts for less than 0.1% of the 336,507 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 Mt Laurel Estates 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 Mt Laurel Estates?

EPA lists Mt Laurel Estates as owned by a local government. 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. 36 of the 279 active systems in Hillsborough County (13%) are also owned by a local government.

Does Mt Laurel Estates have drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in September 2025. The violations listed here began between September 2004 and September 2025. By type: 3 monitoring and reporting, 2 required treatment not met, 2 contaminant level above the legal limit, 1 reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 10 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
2025-09-11	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2025-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2017-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2016-10-21	Required treatment not metOCCT/SOWT Treatment Installation/Demonstration · code 58	Lead and Copper Rulecode 5000	Yes	Resolved
2016-07-01	Monitoring and reportingWater Quality Parameter M/R · code 53	Lead and Copper Rulecode 5000	No	Resolved
2015-04-22	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved
2015-04-01	Monitoring and reportingWater Quality Parameter M/R · code 53	Lead and Copper Rulecode 5000	No	Resolved
2015-04-01	Monitoring and reportingMonitoring, Regular · code 03	Arseniccode 1005	No	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
2004-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved

All 10 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.

Mt Laurel Estates: frequently asked questions

Who runs Mt Laurel Estates?

Mt Laurel Estates (PWSID NH0912050) is a community water system owned by a local government. It is regulated by the NH state drinking water program.

How many people does Mt Laurel Estates serve?

Mt Laurel Estates reports serving 115 people through 46 service connections in Hillsborough County, New Hampshire.

Where does Mt Laurel Estates 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 Mt Laurel Estates have any drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in September 2025. 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 Mt Laurel Estates' 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 10 violations for this system; 4 are health-based, and the most recent began in September 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the NH state drinking water program.

Where can I find Mt Laurel Estates' water quality report?

As a community water system, Mt Laurel Estates 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 Hillsborough County

Water system	County	Population served	Type	Source
Manchester Water Works	Hillsborough	123,500	Community	Surface water
Pennichuck Water Works	Hillsborough	88,853	Community	Surface water
Merrimack Village Dist	Hillsborough	25,500	Community	Groundwater
Hudson Water Dept	Hillsborough	16,700	Community	Groundwater
Milford Water Utilities Dept	Hillsborough	9,500	Community	Purchased surface water
Litchfield	Hillsborough	6,920	Community	Purchased surface water

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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, “Mt Laurel Estates, PWSID NH0912050, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/mt-laurel-estates-nh0912050 (data as of October 1, 2026).