Wellington Town Of, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 3.7 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. 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.
Wellington Town Of at a glance
Wellington Town Of serves about 11,720 people through 4,315 service connections, which makes it a large 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: CO0135838; phone on file: 970-690-0378. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 2.7 ppb from 1 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Wellington Town Of is 8 ppb across 17 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 3.7 ppb |
| 2025 | 1 ppb |
| 2025 | 2 ppb |
| 2024 | 1 ppb |
| 2024 | 1 ppb |
| 2023 | 1.5 ppb |
| 2023 | 1.5 ppb |
| 2022 | 1.7 ppb |
| 2022 | 1.5 ppb |
| 2021 | 1.6 ppb |
| 2021 | 3.8 ppb |
| 2020 | 1 ppb |
| 2019 | 2 ppb |
| 2018 | 8 ppb |
| 2018 | 8 ppb |
| 2017 | 3 ppb |
| 2016 | 5.7 ppb |
How Wellington Town Of 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. Wellington Town Of's 3.7 ppb sits at the 88th percentile in Colorado and the 86th nationally (higher means more lead).
Neighbouring systems
44 other systems share Larimer County; 9 of them have a higher latest lead result than Wellington Town Of. 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 |
| Northern Colorado Wa | 4,675 | 1 ppb |
| West Fort Collins Wd | 4,000 | 5.1 ppb |
Next steps for Wellington, CO
Test your own tap with a certified lab first-draw sample; Wellington, 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 Wellington Town Of 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.