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GRIGGS MOBILE HOMES

PWS ID: NH1913010 · EPSOM, New Hampshire 03234

GRIGGS MOBILE HOMES serves 73 people in EPSOM, New Hampshire using Groundwater water sources. It has 119 recorded EPA violations, including 40 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GRIGGS MOBILE HOMES

GRIGGS MOBILE HOMES is a private-owned community water system that delivers drinking water to 73 residents in EPSOM, New Hampshire (Merrimack County) through 29 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 119 total violations for this system , of which 40 (34%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 69 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Arsenic, recorded in 22 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. GRIGGS MOBILE HOMES's 119 violations sit above the New Hampshire average. Statewide, 23 of 51 UCMR5-tested systems have reported PFAS detections (45.1%). 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
73
Total Violations
119
Health-Based Violations
40
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
29
County
Merrimack
School/Daycare
No
MCL Violations
40
Monitoring Violations
69
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 22 2019
Coliform (TCR) MCL 18 2000
Consumer Confidence Rule Other 8 2002
Arsenic MR 6 2008
1,2,4-Trichlorobenzene MR 2 2010
cis-1,2-Dichloroethylene MR 2 2010
Cadmium MR 2 2008
Xylenes, Total MR 2 2010
DICHLOROMETHANE MR 2 2010
CYANIDE MR 2 2008
o-Dichlorobenzene MR 2 2010
Fluoride MR 2 2008
p-Dichlorobenzene MR 2 2010
Vinyl chloride MR 2 2010
1,1-Dichloroethylene MR 2 2010
Antimony, Total MR 2 2008
Thallium, Total MR 2 2008
1,1,1-Trichloroethane MR 2 2010
Trichloroethylene MR 2 2010
CHLOROBENZENE MR 2 2010
Benzene MR 2 2010
Carbon tetrachloride MR 2 2010
1,2-Dichloropropane MR 2 2010
Tetrachloroethylene MR 2 2010
Barium MR 2 2008
Mercury MR 2 2008
Styrene MR 2 2010
Chromium MR 2 2008
Selenium MR 2 2008
trans-1,2-Dichloroethylene MR 2 2010

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 GRIGGS MOBILE HOMES.

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 NH1913010 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
2019 Arsenic MCL 22 SDWIS / NH1913010 / 1005
2010 1,2,4-Trichlorobenzene MR 2 SDWIS / NH1913010 / 2378
2010 cis-1,2-Dichloroethylene MR 2 SDWIS / NH1913010 / 2380
2010 Xylenes, Total MR 2 SDWIS / NH1913010 / 2955
2010 DICHLOROMETHANE MR 2 SDWIS / NH1913010 / 2964
2010 o-Dichlorobenzene MR 2 SDWIS / NH1913010 / 2968
2010 p-Dichlorobenzene MR 2 SDWIS / NH1913010 / 2969
2010 Vinyl chloride MR 2 SDWIS / NH1913010 / 2976
2010 1,1-Dichloroethylene MR 2 SDWIS / NH1913010 / 2977
2010 1,1,1-Trichloroethane MR 2 SDWIS / NH1913010 / 2981
2010 Trichloroethylene MR 2 SDWIS / NH1913010 / 2984
2010 CHLOROBENZENE MR 2 SDWIS / NH1913010 / 2989
2010 Benzene MR 2 SDWIS / NH1913010 / 2990
2010 Carbon tetrachloride MR 2 SDWIS / NH1913010 / 2982
2010 1,2-Dichloropropane MR 2 SDWIS / NH1913010 / 2983

How GRIGGS MOBILE HOMES Compares

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

Metric GRIGGS MOBILE HOMES New Hampshire avg Federal benchmark
Total violations 119 63.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 40 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 73 506 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is GRIGGS MOBILE HOMES water safe to drink? ▼
GRIGGS MOBILE HOMES (PWS ID: NH1913010) has 119 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 73 people using Groundwater sources.
How many people does GRIGGS MOBILE HOMES serve? ▼
GRIGGS MOBILE HOMES serves 73 people in EPSOM, New Hampshire. It is a Private-owned system using Groundwater water sources with 29 service connections.
What type of violations does GRIGGS MOBILE HOMES have? ▼
GRIGGS MOBILE HOMES has 119 total violations: 40 health-based violations (MCL exceedances or treatment failures), 69 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GRIGGS MOBILE HOMES water? ▼
No PFAS testing data is available for GRIGGS MOBILE HOMES under the EPA's UCMR5 monitoring program.
What water source does GRIGGS MOBILE HOMES use? ▼
GRIGGS MOBILE HOMES 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial