Sidney Peak Ranch, CO
Exceeded the action level in the past
Latest 90th-percentile lead: 1.6 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Sidney Peak Ranch serves about 42 people through 15 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Routt County, Colorado. EPA system ID: CO0154709; phone on file: 970-846-9629. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is up 1.6 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Sidney Peak Ranch is 17.9 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.6 ppb |
| 2025 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2024 | 1.1 ppb |
| 2024 | 17.9 ppb over 15 |
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. Sidney Peak Ranch's 1.6 ppb sits at the 64th percentile in Colorado and the 64th nationally (higher means more lead).
Nearby utilities
22 other systems share Routt County; 9 of them have a higher latest lead result than Sidney Peak Ranch. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mt Werner Wd | 19,000 | 2 ppb |
| Steamboat Springs City Of | 9,950 | 0 (not detected) |
| Hayden Town Of | 3,982 | 2.4 ppb |
| Steamboat Ii Md | 1,450 | 8.2 ppb |
| Oak Creek Town Of | 950 | 0.8 ppb |
| Morrison Creek Metro District | 800 | 0.7 ppb |
| Yampa Town Of | 467 | 5.1 ppb |
| Steamboat Lake Wd | 411 | 2.4 ppb |
| Tree Haus Md | 248 | 0 (not detected) |
| Catamount Md Lake Property | 219 | 1 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Steamboat Springs, 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 Sidney Peak Ranch 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. More in what a past exceedance means today.