Ken Caryl West Ranch Wd, CO
Exceeded the action level in the past
Latest 90th-percentile lead: 9 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Ken Caryl West Ranch Wd serves about 140 people through 53 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 groundwater, in Jefferson County, Colorado. EPA system ID: CO0130075; phone on file: 303-246-5254. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is up 2 ppb from 7 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Ken Caryl West Ranch Wd is 25 ppb across 17 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 9 ppb |
| 2025 | 7 ppb |
| 2025 | 11 ppb over 10 |
| 2024 | 9 ppb |
| 2024 | 8.5 ppb |
| 2023 | 7 ppb |
| 2023 | 10 ppb |
| 2022 | 3 ppb |
| 2022 | 3 ppb |
| 2021 | 5 ppb |
| 2021 | 2 ppb |
| 2020 | 3 ppb |
| 2020 | 8 ppb |
| 2019 | 25 ppb over 15 |
| 2018 | 5 ppb |
| 2017 | 6 ppb |
| 2016 | 10.5 ppb over 10 |
How Ken Caryl West Ranch 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. Ken Caryl West Ranch Wd's 9 ppb sits at the 98th percentile in Colorado and the 96th nationally (higher means more lead).
Other water systems in Jefferson County
50 other systems share Jefferson County; 0 of them have a higher latest lead result than Ken Caryl West Ranch Wd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Arvada City Of | 171,610 | 3.1 ppb |
| Consolidated Mutual Maple Grove | 81,400 | 3.7 ppb |
| Green Mountain Wsd | 49,400 | - |
| Bancroft Clover Wsd | 44,000 | - |
| Golden City Of | 38,288 | 0 (not detected) |
| Bear Creek Wsd | 30,000 | - |
| Wheat Ridge Water District | 20,000 | - |
| Evergreen Md | 15,750 | 6 ppb |
| Ken Caryl Wsd | 12,000 | - |
| Lakehurst Wsd | 12,000 | - |
What to do in your house
Test your own tap with a certified lab first-draw sample; Aurora, 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 Ken Caryl West Ranch 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. More in what a past exceedance means today.