Mid Valley Md, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 1.1 ppb (monitoring period 2023-2025). 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.
Who runs the water here
Mid Valley Md serves about 4,588 people through 1,712 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Eagle County, Colorado. EPA system ID: CO0119508; phone on file: 970-927-4077. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2021 (0.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Mid Valley Md is 1.7 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.1 ppb |
| 2021 | 0.5 ppb |
| 2020 | 1.7 ppb |
| 2019 | 1.3 ppb |
| 2018 | 1.7 ppb |
| 2017 | 1.7 ppb |
| 2016 | 0 (not detected) |
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. Mid Valley Md's 1.1 ppb sits at the 58th percentile in Colorado and the 57th nationally (higher means more lead).
Other water systems in Eagle County
21 other systems share Eagle County; 9 of them have a higher latest lead result than Mid Valley Md. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Eagle River Wsd | 51,515 | 2 ppb |
| Gypsum Town Of | 15,272 | 2 ppb |
| Eagle Town Of | 7,511 | 3 ppb |
| Basalt Town Of | 2,357 | 0 (not detected) |
| El Jebel Mhp | 1,962 | 1 ppb |
| Eagle River Village Mhp | 1,500 | 1 ppb |
| Minturn Town Of | 1,200 | 2 ppb |
| Two Rivers Village | 896 | 0 (not detected) |
| Red Cliff Town Of | 469 | 0.5 ppb |
| Sopris Village Hoa | 425 | 0 (not detected) |
Next steps for Carbondale, CO
Test your own tap with a certified lab first-draw sample; Carbondale, 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 Mid Valley Md 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.