Avondale Wsd, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 5.6 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. 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
Avondale Wsd serves about 1,615 people through 484 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Pueblo County, Colorado. EPA system ID: CO0151050; phone on file: 719-947-3186. 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 4.8 ppb from 0.8 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Avondale Wsd is 5.6 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 5.6 ppb |
| 2025 | 0.8 ppb |
| 2021 | 1 ppb |
| 2020 | 0.7 ppb |
| 2019 | 1.4 ppb |
| 2018 | 1.3 ppb |
| 2017 | 2.7 ppb |
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. Avondale Wsd's 5.6 ppb sits at the 94th percentile in Colorado and the 92nd nationally (higher means more lead).
Nearby utilities
16 other systems share Pueblo County; 0 of them have a higher latest lead result than Avondale Wsd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Pueblo Board Of Ww | 114,070 | 2.3 ppb |
| Pueblo West Md | 30,000 | 2 ppb |
| St Charles Mesa Wd | 9,690 | 2 ppb |
| Colorado City Md | 2,755 | 1 ppb |
| Rye Town Of | 745 | 1 ppb |
| Countryside Estates Pueblo | 508 | 0 (not detected) |
| Pueblo Grande Village | 504 | 0 (not detected) |
| Beulah Water Works District | 445 | 0 (not detected) |
| Pine Drive Wd | 416 | 1.5 ppb |
| Baxter Water And Services | 350 | 2 ppb |
Next steps for Avondale, CO
Test your own tap with a certified lab first-draw sample; Avondale, 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 Avondale Wsd 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. Size matters more than most people expect: small vs large water systems.