Public water system · NH1321010
ActiveLebanon Water Dept
At a glance
Lebanon Water Dept (PWSID NH1321010) is an active community water system in Grafton County, New Hampshire. It reports serving 13,600 people through 3,778 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
13,600
Service connections
3,778
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Lebanon Water Dept compare with other water systems in Grafton County?
By EPA's size categories, Lebanon Water Dept is a large system (10,001 to 100,000 people). Grafton County has 270 active public water systems, and Lebanon Water Dept is the largest of them by population served. Its population served is about 35 times the county average of 394 people per system, and accounts for 13% of the 106,236 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 Lebanon Water Dept is about twice 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 39 New Hampshire systems (1.6%) list surface water as their primary source.
Who owns and regulates Lebanon Water Dept?
EPA lists Lebanon Water Dept 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. 37 of the 270 active systems in Grafton County (14%) are also owned by a local government.
Does Lebanon Water Dept have drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2023. The violations listed here began between July 1991 and July 2023. By type: 2 contaminant level above the legal limit, 1 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-07-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2006-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1991-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 4 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.
Lebanon Water Dept: frequently asked questions
Who runs Lebanon Water Dept?
Lebanon Water Dept (PWSID NH1321010) is a community water system owned by a local government. It is regulated by the NH state drinking water program.
How many people does Lebanon Water Dept serve?
Lebanon Water Dept reports serving 13,600 people through 3,778 service connections in Grafton County, New Hampshire.
Where does Lebanon Water Dept get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Lebanon Water Dept have any drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2023. 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 Lebanon Water Dept'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 4 violations for this system; 3 are health-based, and the most recent began in July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the NH state drinking water program.
Where can I find Lebanon Water Dept's water quality report?
As a community water system, Lebanon Water Dept 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 Grafton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hanover Water Dept | Grafton | 9,600 | Community | Surface water |
| Plymouth Vlg Water and Sewer | Grafton | 6,700 | Community | Groundwater |
| Littleton Water and Light | Grafton | 6,500 | Community | Surface water |
| Bristol Water Works | Grafton | 3,575 | Community | Groundwater |
| Lincoln Water Works | Grafton | 3,300 | Community | Surface water |
| Waterville Valley Water Dist | Grafton | 3,150 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Lebanon Water Dept, PWSID NH1321010, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/lebanon-water-dept-nh1321010 (data as of October 1, 2026).