Guernsey Lake Mobile Home Community, MT

No lead results on file with EPA

Latest 90th-percentile lead: no result on file. The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. EPA's database has no Lead and Copper Rule results for this system. Without them there is nothing to go on, so a tap test is the only way to know.

Who runs the water here

Guernsey Lake Mobile Home Community serves about 100 people through 40 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Barry County, Montana. EPA system ID: MI0040046; phone on file: 847-502-3966. They can tell you what your service line is made of and whether they pay to replace it.

Next steps for Stevensville, MT

Test your own tap with a certified lab first-draw sample; Stevensville, MT may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Guernsey Lake Mobile Home Community whether it covers that cost before hiring anyone - many utilities now do.

These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.