Mount Crested Butte Wsd, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2026-2028). 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 Mount Crested Butte Wsd
Mount Crested Butte Wsd serves about 3,296 people through 975 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Gunnison County, Colorado. EPA system ID: CO0126190; phone on file: 970-349-7575. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Mount Crested Butte Wsd's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Mount Crested Butte Wsd is 2 ppb across 16 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 1 ppb |
| 2023 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2020 | 2 ppb |
| 2019 | 0 (not detected) |
| 2019 | 2 ppb |
| 2018 | 0 (not detected) |
| 2018 | 2 ppb |
| 2017 | 1 ppb |
| 2017 | 1 ppb |
| 2016 | 2 ppb |
Where this result ranks
Of the 1,025 Colorado systems with a lead result, the median latest reading is 1 ppb; 2 are over 15 ppb right now and 71 have gone over at some point. Mount Crested Butte Wsd's 1 ppb sits at the 55th percentile in Colorado and the 54th nationally (higher means more lead).
Other water systems in Gunnison County
19 other systems share Gunnison County; 9 of them have a higher latest lead result than Mount Crested Butte Wsd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Gunnison City Of | 9,610 | 3 ppb |
| Crested Butte Town Of | 2,440 | 6 ppb |
| Crested Butte South | 2,000 | 0 (not detected) |
| Gunnison County Wsd | 800 | 1.6 ppb |
| Evergreen Lake Company | 431 | 2 ppb |
| Riverland Lot Owners Assoc | 368 | 0.5 ppb |
| Skyland Md | 335 | 2 ppb |
| Antelope Hills Assoc | 265 | 1 ppb |
| Meridian Lake Park | 250 | 3 ppb |
| Buckhorn Ranch Ws | 205 | 0.5 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Mt Crested Butte, CO 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 Mount Crested Butte Wsd 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.