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Tap water quality report

Sunrise Terrace Subd No 2

EPA monitoring tested this supplier for 68 contaminants and detected 7. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

68
contaminants tested
7
detected
131
people served
34
health-based violations
Montana rankingsLead in MontanaPFAS in Montana
Water source
Ground water
Ownership
Private
Counties served
Flathead

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
49
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2014-10-01 → 2014-10-31
MCL Health-based Resolved 2014-10-01 → 2014-10-31
MCL Health-based Resolved 2014-10-01 → 2014-10-31
MCL Health-based Resolved 2014-10-01 → 2014-10-31
MCL Health-based Resolved 2014-10-01 → 2014-10-31
MCL Health-based Resolved 2013-11-01 → 2013-11-30
MCL Health-based Resolved 2013-11-01 → 2013-11-30
MCL Health-based Resolved 2013-11-01 → 2013-11-30
MCL Health-based Resolved 2013-11-01 → 2013-11-30
MCL Health-based Resolved 2013-11-01 → 2013-11-30

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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Lead
0.0020 mg/L 13%
of the EPA limit 0.0150 mg/L
 18/18 LCR 2025
Copper
60 µg/L 4.6%
of the EPA limit 1300 µg/L
 14/15 SYR4 2012–2018
Nitrate-Nitrite
110 µg/L 1.1%
of the EPA limit 10000 µg/L
 8/8 SYR4 2012–2019
Nitrate
90 µg/L 0.9%
of the EPA limit 10000 µg/L
 2/2 SYR4 2012
Barium
290 µg/L 14%
of the EPA limit 2000 µg/L
 1/1 SYR4 2012
Fluoride
80 µg/L 2%
of the EPA limit 4000 µg/L
 1/1 SYR4 2012
Lead
3 µg/L 20%
of the EPA limit 15 µg/L
 1/15 SYR4 2012–2018
61 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalArsenicAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformChromiumCombined Radium (-226 And -228)Combined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromochloromethaneDinosebEndrinEthylbenzeneGross Alpha, Excl. Radon And UHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTTHMTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
DENNISON, GREG L
Phone
406-253-5092

Frequently asked questions about Sunrise Terrace Subd No 2

Is Sunrise Terrace Subd No 2 tap water safe to drink?

EPA monitoring detected 7 contaminants in Sunrise Terrace Subd No 2'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 Sunrise Terrace Subd No 2's water?

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

How many people does Sunrise Terrace Subd No 2 serve?

Sunrise Terrace Subd No 2 reports serving 131 people in Montana, per its EPA record.

Has Sunrise Terrace Subd No 2 had any water quality violations?

The EPA has 49 violations on file for Sunrise Terrace Subd No 2, 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.