Windmill Trailer Park Well 1, MT
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2015-2017). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Windmill Trailer Park Well 1
Windmill Trailer Park Well 1 serves about 110 people through 36 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Park County, Montana. EPA system ID: MT0000474; phone on file: 406-222-2784. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Windmill Trailer Park Well 1's lead record
The highest 90th-percentile result EPA holds for Windmill Trailer Park Well 1 is 2 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2017 | 2 ppb |
Against other Montana systems
Of the 753 Montana systems with a lead result, the median latest reading is 1 ppb; 5 are over 15 ppb right now and 28 have gone over at some point. Windmill Trailer Park Well 1's 2 ppb sits at the 68th percentile in Montana and the 70th nationally (higher means more lead).
Other water systems in Park County
14 other systems share Park County; 2 of them have a higher latest lead result than Windmill Trailer Park Well 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Livingston City Of | 9,200 | 2 ppb |
| Gardiner Park Co Water Dist | 700 | 2 ppb |
| Clyde Park Water Dept | 300 | 2.49 ppb |
| Cooke City Water District | 300 | 2 ppb |
| Wilsall Water District | 250 | 2 ppb |
| East Gate Work Camp | 208 | 0 (not detected) |
| Golden Age Village | 180 | 1 ppb |
| Cinnabar The | 175 | 15 ppb |
| Avalon Subdivision | 135 | 0.44 ppb |
| Windmill Trailer Park Well 2 | 125 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Livingston, 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 Windmill Trailer Park Well 1 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Systems that went over once often dip back under; here is what that means.