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Community Water System · PWS NH1361010

Lisbon Water Dept

Lisbon, New Hampshire 03585 - drinking water served from groundwater sources to 1,010 people, tracked in EPA SDWIS and UCMR5.

1,010
People served
252
EPA violations
33
Health-based
Untested
UCMR5 result

The verdict

EPA records 252 drinking-water violations at Lisbon Water Dept, 13% of them health-based - above the New Hampshire per-system average.

252
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
1,010
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lisbon Water Dept

Lisbon Water Dept is a local-owned community water system that delivers drinking water to 1,010 residents in Lisbon, New Hampshire (Grafton County) through 379 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 252 total violations for this system , of which 33 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 208 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 31 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New Hampshire, EPA tracks 2,453 public water systems serving 1,242,123 people, with 155,970 cumulative violations and 29,649 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 63.6 violations. Statewide, 23 of 51 UCMR5-tested systems have reported PFAS detections (45.1%).

Lisbon Water Dept's 252 violations sit above the New Hampshire average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,010
Total Violations
252
Health-Based Violations
33
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
379
County
Grafton
School/Daycare
No
MCL Violations
31
Monitoring Violations
208
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 31 2005
Coliform (TCR) MR 10 1991
Lead and Copper Rule MR 8 2021
Nitrate MR 4 2013
Endrin MR 4 2013
1,2,4-Trichlorobenzene MR 4 2013
BHC-GAMMA MR 4 2013
cis-1,2-Dichloroethylene MR 4 2013
Methoxychlor MR 4 2013
o-Dichlorobenzene MR 4 2013
p-Dichlorobenzene MR 4 2013
OXAMYL MR 4 2013
Simazine MR 4 2013
1,1-Dichloroethylene MR 4 2013
Di(2-ethylhexyl) phthalate MR 4 2013
trans-1,2-Dichloroethylene MR 4 2013
Dinoseb MR 4 2013
1,1,1-Trichloroethane MR 4 2013
1,2-Dichloropropane MR 4 2013
LASSO MR 4 2013
1,1,2-Trichloroethane MR 4 2013
Heptachlor MR 4 2013
Heptachlor epoxide MR 4 2013
CHLOROBENZENE MR 4 2013
2,4-D MR 4 2013
Benzene MR 4 2013
2,4,5-TP MR 4 2013
HEXACHLOROBENZENE MR 4 2013
Styrene MR 4 2013
Pentachlorophenol MR 4 2013

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Lisbon Water Dept.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NH1361010 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Hampshire Drinking Water Authority

New Hampshire's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find NH regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2021 Lead and Copper Rule MR 8 SDWIS / NH1361010 / 5000
2021 Groundwater Rule MR 2 SDWIS / NH1361010 / 0700
2013 Nitrate MR 4 SDWIS / NH1361010 / 1040
2013 Endrin MR 4 SDWIS / NH1361010 / 2005
2013 1,2,4-Trichlorobenzene MR 4 SDWIS / NH1361010 / 2378
2013 BHC-GAMMA MR 4 SDWIS / NH1361010 / 2010
2013 cis-1,2-Dichloroethylene MR 4 SDWIS / NH1361010 / 2380
2013 Methoxychlor MR 4 SDWIS / NH1361010 / 2015
2013 o-Dichlorobenzene MR 4 SDWIS / NH1361010 / 2968
2013 p-Dichlorobenzene MR 4 SDWIS / NH1361010 / 2969
2013 OXAMYL MR 4 SDWIS / NH1361010 / 2036
2013 Simazine MR 4 SDWIS / NH1361010 / 2037
2013 1,1-Dichloroethylene MR 4 SDWIS / NH1361010 / 2977
2013 Di(2-ethylhexyl) phthalate MR 4 SDWIS / NH1361010 / 2039
2013 trans-1,2-Dichloroethylene MR 4 SDWIS / NH1361010 / 2979

How Lisbon Water Dept Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Lisbon Water Dept New Hampshire avg Federal benchmark
Total violations 252 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 33 12.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 45.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,010 506 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,453 regulated public water systems in New Hampshire.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Lisbon Water Dept water safe to drink? ▼
Lisbon Water Dept (PWS ID: NH1361010) has 252 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,010 people using Groundwater sources.
How many people does Lisbon Water Dept serve? ▼
Lisbon Water Dept serves 1,010 people in Lisbon, New Hampshire. It is a Local-owned system using Groundwater water sources with 379 service connections.
What type of violations does Lisbon Water Dept have? ▼
Lisbon Water Dept has 252 total violations: 33 health-based violations (MCL exceedances or treatment failures), 208 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lisbon Water Dept water? ▼
No PFAS testing data is available for Lisbon Water Dept under the EPA's UCMR5 monitoring program.
What water source does Lisbon Water Dept use? ▼
Lisbon Water Dept uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.