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Tap water quality report

Mount Desert Water Dist North

EPA monitoring tested this supplier for 49 contaminants and detected 12. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

49
contaminants tested
12
detected
1,623
people served
34
health-based violations
Maine rankingsLead in MainePFAS in Maine
Water source
Surface water
Ownership
Local government
Counties served
Hancock

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.

34
health-based violations
85
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2010-07-01 → 2010-07-31
MCL Health-based Resolved 2010-07-01 → 2010-07-31
MCL Health-based Resolved 2010-07-01 → 2010-07-31
MCL Health-based Resolved 2010-07-01 → 2010-07-31
TT Health-based Resolved 1998-12-01 → 1998-12-31
TT Health-based Resolved 1998-12-01 → 1998-12-31
TT Health-based Resolved 1998-11-01 → 1998-11-30
TT Health-based Resolved 1998-11-01 → 1998-11-30
TT Health-based Resolved 1998-10-01 → 1998-10-31
TT Health-based Resolved 1998-10-01 → 1998-10-31

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
348 µg/L 27%
of the EPA limit 1300 µg/L
worst single sample: 1000 µg/L
39/40 SYR4 2012–2019
TTHM
46 µg/L 57%
of the EPA limit 80 µg/L
worst single sample: 100 µg/L
31/31 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
52.5 µg/L 88%
of the EPA limit 60 µg/L
worst single sample: 74 µg/L
31/31 SYR4 2012–2019
Lead
0.0025 mg/L 17%
of the EPA limit 0.0150 mg/L
 19/19 LCR 2025
Bromate
1.54 µg/L 15%
of the EPA limit 10 µg/L
worst single sample: 1.8 µg/L
14/32 SYR4 2012–2019
Lead
21.95 µg/L 146%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 39 µg/L
12/40 SYR4 2012–2019
Barium
3.585 µg/L 0.2%
of the EPA limit 2000 µg/L
worst single sample: 3.9 µg/L
8/8 SYR4 2012–2019
Nitrate
20 µg/L 0.2%
of the EPA limit 10000 µg/L
 2/16 SYR4 2012–2019
Chloroform
1.2 µg/L
No EPA limit set
 1/2 SYR4 2012–2014
Combined Radium (-226 And -228)
0.7000 pCi/L 14%
of the EPA limit 5 pCi/L
 1/1 SYR4 2012
Fluoride
120 µg/L 3%
of the EPA limit 4000 µg/L
 1/8 SYR4 2012–2019
Nitrate-Nitrite
20 µg/L 0.2%
of the EPA limit 10000 µg/L
 1/2 SYR4 2012–2013
37 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalArsenicBenzeneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCyanideCadmiumCarbon TetrachlorideChromiumCombined UraniumDichloromethaneDibromochloromethaneEthylbenzeneGross Alpha, Excl. Radon And UMercuryNitriteSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
SLACK, PAUL G
Phone
207-276-3733
Email
[email protected]

Frequently asked questions about Mount Desert Water Dist North

Is Mount Desert Water Dist North tap water safe to drink?

EPA monitoring detected 12 contaminants in Mount Desert Water Dist North'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 Mount Desert Water Dist North's water?

EPA monitoring detected Copper, TTHM, Total Haloacetic Acids (HAA5), Lead, Bromate, and others. The full list with the level and data source for each is above.

How many people does Mount Desert Water Dist North serve?

Mount Desert Water Dist North reports serving 1,623 people in Maine, per its EPA record.

Has Mount Desert Water Dist North had any water quality violations?

The EPA has 85 violations on file for Mount Desert Water Dist North, of which 34 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.