East Cherry Creek Valley Wsd, CO
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Who runs the water here
East Cherry Creek Valley Wsd serves about 66,130 people through 19,300 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 Arapahoe County, Colorado. EPA system ID: CO0103035; phone on file: 303-693-3800. They can tell you what your service line is made of and whether they pay to replace it.
East Cherry Creek Valley Wsd's lead record
Against the period ending 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for East Cherry Creek Valley Wsd is 3 ppb across 19 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 1 ppb |
| 2023 | 3 ppb |
| 2022 | 2 ppb |
| 2022 | 1 ppb |
| 2021 | 2 ppb |
| 2021 | 1 ppb |
| 2020 | 2 ppb |
| 2020 | 2 ppb |
| 2019 | 1.8 ppb |
| 2019 | 2 ppb |
| 2018 | 1 ppb |
| 2018 | 1 ppb |
| 2017 | 2 ppb |
| 2016 | 1 ppb |
Against other Colorado systems
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. East Cherry Creek Valley Wsd's reported as 0 (not detected) sits at the 36th percentile in Colorado and the 40th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Arapahoe County
28 other systems share Arapahoe County; 11 of them have a higher latest lead result than East Cherry Creek Valley Wsd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Aurora City Of | 533,407 | 4.7 ppb |
| Englewood City Of | 59,904 | 5 ppb |
| Southgate Wsd | 55,000 | - |
| Southwest Metropolitan Wsd | 48,648 | - |
| Arapahoe Cnty Wwwa | 31,000 | 0 (not detected) |
| Platte Canyon Wsd | 19,485 | - |
| Willows Wd | 19,000 | - |
| Cherry Creek Village Wd | 9,215 | - |
| Inverness Wsd | 8,140 | 4 ppb |
| Glendale City Of | 4,400 | - |
Your move
Look up your address in East Cherry Creek Valley Wsd's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask East Cherry Creek Valley 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Small systems behave differently: why small systems go over more often.