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DANIELS LAKE

PWS ID: NH2452010 · NASHUA, New Hampshire 03064

DANIELS LAKE serves 68 people in NASHUA, New Hampshire using Groundwater water sources. It has 305 recorded EPA violations, including 18 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DANIELS LAKE

DANIELS LAKE is a private-owned community water system that delivers drinking water to 68 residents in NASHUA, New Hampshire (Hillsborough County) through 27 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 305 total violations for this system , of which 18 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 282 monitoring and reporting violations are on file. The most recent violation on record dates to 2010.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 19 violations (MR). 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. DANIELS LAKE's 305 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
68
Total Violations
305
Health-Based Violations
18
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
27
County
Hillsborough
School/Daycare
No
MCL Violations
12
Monitoring Violations
282
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 19 2000
Coliform (TCR) MCL 12 2007
1,2,4-Trichlorobenzene MR 12 1995
cis-1,2-Dichloroethylene MR 12 1995
Xylenes, Total MR 12 1995
DICHLOROMETHANE MR 12 1995
o-Dichlorobenzene MR 12 1995
p-Dichlorobenzene MR 12 1995
Vinyl chloride MR 12 1995
1,1-Dichloroethylene MR 12 1995
trans-1,2-Dichloroethylene MR 12 1995
1,2-Dichloroethane MR 12 1995
1,1,1-Trichloroethane MR 12 1995
1,2-Dichloropropane MR 12 1995
1,1,2-Trichloroethane MR 12 1995
Tetrachloroethylene MR 12 1995
CHLOROBENZENE MR 12 1995
Benzene MR 12 1995
Toluene MR 12 1995
Ethylbenzene MR 12 1995
Styrene MR 12 1995
Trichloroethylene MR 12 1995
Carbon tetrachloride MR 12 1995
Lead and Copper Rule TT 6 2007
Nitrate MR 6 1995
Consumer Confidence Rule Other 4 2000
Lead and Copper Rule MR 3 1998
Chlorine MR 2 2010
Public Notice Other 1 2002

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 DANIELS LAKE.

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 NH2452010 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
2010 Chlorine MR 2 SDWIS / NH2452010 / 0999
2007 Coliform (TCR) MCL 12 SDWIS / NH2452010 / 3100
2007 Lead and Copper Rule TT 6 SDWIS / NH2452010 / 5000
2002 Public Notice Other 1 SDWIS / NH2452010 / 7500
2000 Coliform (TCR) MR 19 SDWIS / NH2452010 / 3100
2000 Consumer Confidence Rule Other 4 SDWIS / NH2452010 / 7000
1998 Lead and Copper Rule MR 3 SDWIS / NH2452010 / 5000
1995 1,2,4-Trichlorobenzene MR 12 SDWIS / NH2452010 / 2378
1995 cis-1,2-Dichloroethylene MR 12 SDWIS / NH2452010 / 2380
1995 Xylenes, Total MR 12 SDWIS / NH2452010 / 2955
1995 DICHLOROMETHANE MR 12 SDWIS / NH2452010 / 2964
1995 o-Dichlorobenzene MR 12 SDWIS / NH2452010 / 2968
1995 p-Dichlorobenzene MR 12 SDWIS / NH2452010 / 2969
1995 Vinyl chloride MR 12 SDWIS / NH2452010 / 2976
1995 1,1-Dichloroethylene MR 12 SDWIS / NH2452010 / 2977

How DANIELS LAKE Compares

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

Metric DANIELS LAKE New Hampshire avg Federal benchmark
Total violations 305 63.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 18 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 68 506 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 DANIELS LAKE water safe to drink? ▼
DANIELS LAKE (PWS ID: NH2452010) has 305 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 68 people using Groundwater sources.
How many people does DANIELS LAKE serve? ▼
DANIELS LAKE serves 68 people in NASHUA, New Hampshire. It is a Private-owned system using Groundwater water sources with 27 service connections.
What type of violations does DANIELS LAKE have? ▼
DANIELS LAKE has 305 total violations: 18 health-based violations (MCL exceedances or treatment failures), 282 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DANIELS LAKE water? ▼
No PFAS testing data is available for DANIELS LAKE under the EPA's UCMR5 monitoring program.
What water source does DANIELS LAKE use? ▼
DANIELS LAKE 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