Tap WaterIndex

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Tap water quality report

Wesco Utilities

EPA monitoring tested this supplier for 13 contaminants and detected 7. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

13
contaminants tested
7
detected
210
people served
6
health-based violations
New Hampshire rankingsLead in New HampshirePFAS in New Hampshire
Water source
GWP
Ownership
Private
Counties served
Merrimack

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

6
health-based violations
248
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2010-06-01 → 2010-06-30
MCL Health-based Resolved 2010-06-01 → 2010-06-30
MCL Health-based Resolved 2010-06-01 → 2010-06-30
MCL Health-based Resolved 2010-06-01 → 2010-06-30
TT Health-based Resolved 1994-01-01
TT Health-based Resolved 1994-01-01
MR Monitoring Resolved 2010-07-01 → 2010-10-01
MR Monitoring Resolved 2010-07-01 → 2010-10-01
MR Monitoring Resolved 2010-01-01
MR Monitoring Resolved 2010-01-01

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Copper
123.4 µg/L 9.5%
of the EPA limit 1300 µg/L
worst single sample: 152 µg/L
12/12 SYR4 2015–2018
Bromodichloromethane
3.075 µg/L
No EPA limit set
worst single sample: 3.1 µg/L
2/2 SYR4 2016–2019
Chloroform
5.87 µg/L
No EPA limit set
worst single sample: 6 µg/L
2/2 SYR4 2016–2019
Dibromochloromethane
2.065 µg/L
No EPA limit set
worst single sample: 2.1 µg/L
2/2 SYR4 2016–2019
TTHM
9.93 µg/L 12%
of the EPA limit 80 µg/L
worst single sample: 10 µg/L
2/2 SYR4 2016–2019
Dichloroacetic Acid
1.9 µg/L
No EPA limit set
 1/2 SYR4 2016–2019
Total Haloacetic Acids (HAA5)
1.9 µg/L 3.2%
of the EPA limit 60 µg/L
 1/2 SYR4 2016–2019
6 contaminants tested, none detected
BromoformDibromoacetic AcidLeadMonobromoacetic AcidMonochloroacetic AcidTrichloroacetic Acid

Utility contact

Contact
LESLIE MORGAN

Frequently asked questions about Wesco Utilities

Is Wesco Utilities tap water safe to drink?

EPA monitoring detected 7 contaminants in Wesco Utilities's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Wesco Utilities's water?

EPA monitoring detected Copper, Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, and others. The full list with the level and data source for each is above.

How many people does Wesco Utilities serve?

Wesco Utilities reports serving 210 people in New Hampshire, per its EPA record.

Has Wesco Utilities had any water quality violations?

The EPA has 248 violations on file for Wesco Utilities, of which 6 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.