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Community Water System · PWS NH0851010

Franklin Water Works

Franklin, New Hampshire 03235 - drinking water served from groundwater sources to 7,000 people, tracked in EPA SDWIS and UCMR5.

7,000
People served
367
EPA violations
7
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 367 drinking-water violations at Franklin Water Works, 2% of them health-based - above the New Hampshire per-system average.

367
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
7,000
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Franklin Water Works

Franklin Water Works is a local-owned community water system that delivers drinking water to 7,000 residents in Franklin, New Hampshire (Merrimack County) through 2,422 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 367 total violations for this system , of which 7 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 353 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Xylenes, Total, recorded in 10 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Franklin Water Works's 367 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
7,000
Total Violations
367
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,422
County
Merrimack
School/Daycare
No
MCL Violations
7
Monitoring Violations
353
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Xylenes, Total MR 10 1995
o-Dichlorobenzene MR 10 1995
Vinyl chloride MR 10 1995
1,1-Dichloroethylene MR 10 1995
1,2-Dichloroethane MR 10 1995
1,1,1-Trichloroethane MR 10 1995
Trichloroethylene MR 10 1995
1,1,2-Trichloroethane MR 10 1995
Toluene MR 10 1995
Styrene MR 10 1995
1,2,4-Trichlorobenzene MR 10 1995
Nitrate MR 10 1995
cis-1,2-Dichloroethylene MR 10 1995
DICHLOROMETHANE MR 10 1995
trans-1,2-Dichloroethylene MR 10 1995
Carbon tetrachloride MR 10 1995
1,2-Dichloropropane MR 10 1995
Benzene MR 10 1995
Ethylbenzene MR 10 1995
CHLOROBENZENE MR 10 1995
Tetrachloroethylene MR 10 1995
p-Dichlorobenzene MR 10 1995
Coliform (TCR) MCL 7 2000
Endrin MR 5 1995
BHC-GAMMA MR 5 1995
Glyphosate MR 5 1995
Di(2-ethylhexyl) phthalate MR 5 1995
Dinoseb MR 5 1995
Hexachlorocyclopentadiene MR 5 1995
Atrazine MR 5 1995

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 5/20/2024 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 5/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/20/2024 <20.00 ppt 20.00 ppt Not Detected
PFHpS 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFEESA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 5/20/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 5/20/2024 <8.00 ppt 8.00 ppt Not Detected
ADONA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 5/20/2024 <2.00 ppt 2.00 ppt Not Detected
NMeFOSAA 5/20/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFBS 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 5/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 5/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFUnA 5/20/2024 <2.00 ppt 2.00 ppt Not Detected
PFOS 5/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 5/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 5/20/2024 <7.00 ppt 7.00 ppt Not Detected
PFOA 5/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/20/2024 <2.00 ppt 2.00 ppt Not Detected
PFTA 5/20/2024 <8.00 ppt 8.00 ppt Not Detected
ADONA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/20/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 5/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 5/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 5/20/2024 <3.00 ppt 3.00 ppt Not Detected

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 Franklin Water Works.

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 NH0851010 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
2014 Total Haloacetic Acids (HAA5) MR 4 SDWIS / NH0851010 / 2456
2014 TTHM MR 4 SDWIS / NH0851010 / 2950
2007 Consumer Confidence Rule Other 2 SDWIS / NH0851010 / 7000
2000 Coliform (TCR) MCL 7 SDWIS / NH0851010 / 3100
1995 Xylenes, Total MR 10 SDWIS / NH0851010 / 2955
1995 o-Dichlorobenzene MR 10 SDWIS / NH0851010 / 2968
1995 Vinyl chloride MR 10 SDWIS / NH0851010 / 2976
1995 1,1-Dichloroethylene MR 10 SDWIS / NH0851010 / 2977
1995 1,2-Dichloroethane MR 10 SDWIS / NH0851010 / 2980
1995 1,1,1-Trichloroethane MR 10 SDWIS / NH0851010 / 2981
1995 Trichloroethylene MR 10 SDWIS / NH0851010 / 2984
1995 1,1,2-Trichloroethane MR 10 SDWIS / NH0851010 / 2985
1995 Toluene MR 10 SDWIS / NH0851010 / 2991
1995 Styrene MR 10 SDWIS / NH0851010 / 2996
1995 1,2,4-Trichlorobenzene MR 10 SDWIS / NH0851010 / 2378

How Franklin Water Works Compares

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

Metric Franklin Water Works New Hampshire avg Federal benchmark
Total violations 367 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 7,000 506 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 Franklin Water Works water safe to drink?
Franklin Water Works (PWS ID: NH0851010) has 367 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 7,000 people using Groundwater sources.
How many people does Franklin Water Works serve?
Franklin Water Works serves 7,000 people in Franklin, New Hampshire. It is a Local-owned system using Groundwater water sources with 2,422 service connections.
What type of violations does Franklin Water Works have?
Franklin Water Works has 367 total violations: 7 health-based violations (MCL exceedances or treatment failures), 353 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Franklin Water Works water?
No. Franklin Water Works was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Franklin Water Works use?
Franklin Water Works 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.