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Tap water quality report

Unified Alaskan Utilities Settlers Bay

EPA monitoring tested this supplier for 51 contaminants and detected 16. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

51
contaminants tested
16
detected
2,733
people served
4
health-based violations
Alaska rankingsLead in AlaskaPFAS in Alaska
Water source
Ground water
Ownership
Private
Counties served
Matanuska-Susitna Borough

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.

4
health-based violations
211
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2017-12-31
TT Health-based Resolved 2017-12-31
TT Health-based Resolved 2017-12-31
TT Health-based Resolved 2014-10-19
Other Monitoring Resolved 2023-07-01
Other Monitoring Resolved 2023-07-01
MR Monitoring Resolved 2020-01-01 → 2020-03-31
MR Monitoring Resolved 2019-07-01 → 2019-09-30
MR Monitoring Resolved 2019-04-01 → 2019-06-30
MR Monitoring Resolved 2019-01-01 → 2019-12-31

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
240.85 µg/L 19%
of the EPA limit 1300 µg/L
worst single sample: 257 µg/L
20/20 SYR4 2016–2019
Lead
0.00072 mg/L 4.8%
of the EPA limit 0.0150 mg/L
 16/16 LCR 2025
Nitrate-Nitrite
1910 µg/L 19%
of the EPA limit 10000 µg/L
worst single sample: 2180 µg/L
16/18 SYR4 2012–2019
Lead
1.36025 µg/L 9.1%
of the EPA limit 15 µg/L
worst single sample: 2.15 µg/L
14/20 SYR4 2016–2019
Chloroform
9.658 µg/L
No EPA limit set
worst single sample: 10.3 µg/L
13/16 SYR4 2012–2019
TTHM
12.26 µg/L 15%
of the EPA limit 80 µg/L
worst single sample: 12.8 µg/L
13/16 SYR4 2012–2019
Bromodichloromethane
1.805 µg/L
No EPA limit set
worst single sample: 1.83 µg/L
11/16 SYR4 2012–2019
Dibromochloromethane
1.295 µg/L
No EPA limit set
worst single sample: 1.36 µg/L
11/16 SYR4 2012–2019
Barium
25.27 µg/L 1.3%
of the EPA limit 2000 µg/L
worst single sample: 29.3 µg/L
5/5 SYR4 2016–2019
Dichloroacetic Acid
8.015 µg/L
No EPA limit set
worst single sample: 8.9 µg/L
4/14 SYR4 2012–2019
Nitrate
1020 µg/L 10%
of the EPA limit 10000 µg/L
 4/6 SYR4 2018
Total Haloacetic Acids (HAA5)
8.015 µg/L 13%
of the EPA limit 60 µg/L
worst single sample: 8.9 µg/L
4/14 SYR4 2012–2019
Arsenic
7.815 µg/L 78%
of the EPA limit 10 µg/L
worst single sample: 8.02 µg/L
3/7 SYR4 2014–2019
Combined Radium (-226 And -228)
1.1 pCi/L 22%
of the EPA limit 5 pCi/L
 1/6 SYR4 2015–2016
Combined Uranium
0.1600 µg/L 0.5%
of the EPA limit 30 µg/L
 1/5 SYR4 2015–2016
Toluene
0.8600 µg/L 0.1%
of the EPA limit 1000 µg/L
 1/7 SYR4 2014–2018
35 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalBenzeneBeryllium, TotalBromoformChlorobenzeneCyanideCadmiumCarbon TetrachlorideChromiumDichloromethaneDibromoacetic AcidEthylbenzeneFluorideGross Alpha, Excl. Radon And UMercuryMonobromoacetic AcidMonochloroacetic AcidSeleniumStyreneTetrachloroethyleneThallium, TotalTrichloroacetic AcidTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
NORTHERN UTILITY SERVICES LLC
Phone
907-222-4084
Email
[email protected]

Frequently asked questions about Unified Alaskan Utilities Settlers Bay

Is Unified Alaskan Utilities Settlers Bay tap water safe to drink?

EPA monitoring detected 16 contaminants in Unified Alaskan Utilities Settlers Bay'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 Unified Alaskan Utilities Settlers Bay's water?

EPA monitoring detected Copper, Lead, Nitrate-Nitrite, Lead, Chloroform, and others. The full list with the level and data source for each is above.

How many people does Unified Alaskan Utilities Settlers Bay serve?

Unified Alaskan Utilities Settlers Bay reports serving 2,733 people in Alaska, per its EPA record.

Has Unified Alaskan Utilities Settlers Bay had any water quality violations?

The EPA has 211 violations on file for Unified Alaskan Utilities Settlers Bay, of which 4 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.