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Tap water quality report

Glendale Colony

EPA monitoring tested this supplier for 67 contaminants and detected 6. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

67
contaminants tested
6
detected
150
people served
2
health-based violations
Montana rankingsLead in MontanaPFAS in Montana
Water source
Ground water
Ownership
Private
Counties served
Glacier

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.

2
health-based violations
11
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Archived 1981-04-08 → 1981-05-07
MCL Health-based Archived 1981-04-08 → 1981-05-07
MR Monitoring Resolved 2005-11-01 → 2005-11-30
MR Monitoring Resolved 2005-11-01 → 2005-11-30
MR Monitoring Resolved 2005-11-01 → 2005-11-30
MR Monitoring Resolved 2002-07-01 → 2002-09-30
MR Monitoring Resolved 2002-07-01 → 2002-09-30
MR Monitoring Resolved 2002-07-01 → 2002-09-30
MR Monitoring Resolved 1998-10-01 → 1998-12-31
MR Monitoring Resolved 1997-10-01 → 1997-12-31

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
Nitrate-Nitrite
320 µg/L 3.2%
of the EPA limit 10000 µg/L
 16/16 SYR4 2012–2019
Lead
0.0030 mg/L 20%
of the EPA limit 0.0150 mg/L
 15/15 LCR 2026
Copper
269.2 µg/L 21%
of the EPA limit 1300 µg/L
worst single sample: 280 µg/L
10/10 SYR4 2014–2017
Lead
5.8 µg/L 39%
of the EPA limit 15 µg/L
worst single sample: 7 µg/L
7/10 SYR4 2014–2017
Combined Uranium
20 µg/L 67%
of the EPA limit 30 µg/L
 1/2 SYR4 2015–2017
Gross Alpha, Excl. Radon And U
1.1 pCi/L 7.3%
of the EPA limit 15 pCi/L
 1/2 SYR4 2015–2017
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-GammaBariumBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformChromiumCombined Radium (-226 And -228)DichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromochloromethaneDinosebEndrinEthylbenzeneFluorideGross Beta Particle ActivityHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTTHMTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
WIPF, GIDEON J
Phone
406-205-4477

Frequently asked questions about Glendale Colony

Is Glendale Colony tap water safe to drink?

EPA monitoring detected 6 contaminants in Glendale Colony'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 Glendale Colony's water?

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

How many people does Glendale Colony serve?

Glendale Colony reports serving 150 people in Montana, per its EPA record.

Has Glendale Colony had any water quality violations?

The EPA has 11 violations on file for Glendale Colony, of which 2 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.