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Public water system · NH1781030

Active

Lost Nation Water

At a glance

Lost Nation Water (PWSID NH1781030) is an active community water system in Coos County, New Hampshire. It reports serving 65 people through 27 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in September 2020.

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

Population served

65

Service connections

27

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNH1781030
System typeCommunity water system
Activity statusActive
Population served65
Service connections27
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNH state drinking water program
City servedNorthumberland
StateNew Hampshire
ZIP—
CountyCoos County

How does Lost Nation Water compare with other water systems in Coos County?

By EPA's size categories, Lost Nation Water is a very small system (500 people or fewer). Coos County has 112 active public water systems. Its population served is well below the county average of 368 people per system, and accounts for 0.2% of the 41,217 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 Lost Nation Water 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 Lost Nation Water?

EPA lists Lost Nation Water 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. 18 of the 112 active systems in Coos County (16%) are also owned by a local government.

Does Lost Nation Water have drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in September 2020. The violations listed here began between January 1992 and September 2020. By type: 3 public notice, recordkeeping or other, 2 monitoring and reporting, 1 reporting, 1 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 8 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.

BeganViolationContaminant or ruleHealth-basedStatus
2020-09-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2020-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2008-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2007-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2006-07-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2006-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2004-10-25Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
1992-01-01Required treatment not metFailure to Filter (SWTR) · code 42Surface Water Treatment Rulecode 0200YesResolved

All 8 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.

Lost Nation Water: frequently asked questions

Who runs Lost Nation Water?

Lost Nation Water (PWSID NH1781030) is a community water system owned by a local government. It is regulated by the NH state drinking water program.

How many people does Lost Nation Water serve?

Lost Nation Water reports serving 65 people through 27 service connections in Coos County, New Hampshire.

Where does Lost Nation Water 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 Lost Nation Water have any drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in September 2020. 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 Lost Nation Water'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 8 violations for this system; 1 is health-based, and the most recent began in September 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the NH state drinking water program.

Where can I find Lost Nation Water's water quality report?

As a community water system, Lost Nation Water 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 Coos County

Water systemCountyPopulation servedTypeSource
Berlin Water WorksCoos9,575CommunitySurface water
Groveton Water SysCoos2,650CommunityGroundwater
Gorham Water and Sewer DeptCoos2,630CommunitySurface water
Lancaster Water DeptCoos2,500CommunitySurface water
Whitefield WaterCoos1,640CommunityGroundwater
Colebrook Water WorksCoos1,300CommunityGroundwater

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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, “Lost Nation Water, PWSID NH1781030, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/lost-nation-water-nh1781030 (data as of October 1, 2026).