Sunset Wd, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 1.5 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.
About Sunset Wd
Sunset Wd serves about 425 people through 176 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Larimer County, Colorado. EPA system ID: CO0135726; phone on file: 406-361-5633. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Sunset Wd's lead record
That is down 1.5 ppb from 3 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Sunset Wd is 4 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.5 ppb |
| 2022 | 3 ppb |
| 2021 | 4 ppb |
| 2020 | 1.5 ppb |
| 2019 | 2 ppb |
| 2018 | 0.5 ppb |
| 2017 | 1.5 ppb |
| 2016 | 3.5 ppb |
How Sunset Wd compares
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. Sunset Wd's 1.5 ppb sits at the 64th percentile in Colorado and the 63rd nationally (higher means more lead).
Nearby utilities
44 other systems share Larimer County; 23 of them have a higher latest lead result than Sunset Wd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ft Collins City Of | 179,901 | 2.8 ppb |
| Loveland City Of | 91,077 | 3.3 ppb |
| Ft Collins Loveland Wd | 63,532 | 2 ppb |
| East Larimer County Wd | 27,944 | 3.9 ppb |
| Csu Main And West Housing Campus | 27,375 | 8 ppb |
| Little Thompson Wd | 25,654 | - |
| Estes Park Town Of | 16,722 | 1.4 ppb |
| Berthoud Town Of | 14,211 | 10 ppb |
| Wellington Town Of | 11,720 | 3.7 ppb |
| Northern Colorado Wa | 4,675 | 1 ppb |
Next steps for Windsor, CO
Test your own tap with a certified lab first-draw sample; Windsor, 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 Sunset Wd 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. The action level is dropping - the 10 ppb rule from 2027.