Erie Town Of, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 2.6 ppb (monitoring period 2025-2025). 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 Erie Town Of
Erie Town Of serves about 47,444 people through 13,899 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 Boulder County, Colorado. EPA system ID: CO0162255; phone on file: 303-926-2895. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2024 (2.9 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Erie Town Of is 12 ppb across 12 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.6 ppb |
| 2024 | 2.9 ppb |
| 2023 | 5.2 ppb |
| 2022 | 2.2 ppb |
| 2021 | 3.1 ppb |
| 2021 | 3.8 ppb |
| 2020 | 4 ppb |
| 2020 | 3.5 ppb |
| 2019 | 3.6 ppb |
| 2018 | 12 ppb over 10 |
| 2017 | 5.1 ppb |
| 2016 | 12 ppb over 10 |
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. Erie Town Of's 2.6 ppb sits at the 80th percentile in Colorado and the 78th nationally (higher means more lead).
Nearby utilities
39 other systems share Boulder County; 3 of them have a higher latest lead result than Erie Town Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Boulder City Of | 166,080 | 2 ppb |
| Longmont City Of | 104,178 | 1.6 ppb |
| Lafayette City Of | 28,700 | 2 ppb |
| Louisville City Of | 20,975 | 0 (not detected) |
| Left Hand Wd | 20,280 | 1 ppb |
| Superior Md No 1 | 17,900 | 0 (not detected) |
| Longs Peak Wd | 3,200 | 2 ppb |
| Lyons Town Of | 2,990 | 0 (not detected) |
| Nederland Town Of | 2,406 | 1 ppb |
| Boulder Meadows Mhp | 1,657 | 0 (not detected) |
Next steps for Erie, CO
Test your own tap with a certified lab first-draw sample; Erie, 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 Erie 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.