Beverly Hills Mutual Wc, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 3 ppb (monitoring period 2023-2025). 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.
Who runs the water here
Beverly Hills Mutual Wc serves about 325 people through 119 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Douglas County, Colorado. EPA system ID: CO0118001; phone on file: 303-887-7448. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 2 ppb from 5 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Beverly Hills Mutual Wc is 5 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2021 | 5 ppb |
| 2020 | 2.5 ppb |
| 2019 | 2.5 ppb |
| 2018 | 1 ppb |
| 2017 | 1.7 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. Beverly Hills Mutual Wc's 3 ppb sits at the 83rd percentile in Colorado and the 82nd nationally (higher means more lead).
Other water systems in Douglas County
29 other systems share Douglas County; 5 of them have a higher latest lead result than Beverly Hills Mutual Wc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Castle Rock Town Of | 110,298 | 2 ppb |
| Highlands Ranch Wsd | 103,444 | 3 ppb |
| Parker Wsd | 75,949 | 2.6 ppb |
| Meridian Md | 23,415 | 0 (not detected) |
| Stonegate Md | 15,295 | 2 ppb |
| Roxborough Wsd | 13,765 | 5 ppb |
| Pinery Wwd | 12,901 | 0 (not detected) |
| Castle Pines North Md | 12,800 | 0 (not detected) |
| Sterling Ranch Cab | 11,501 | 0 (not detected) |
| Cottonwood Wsd | 10,867 | 0 (not detected) |
Next steps for Castle Rock, CO
Test your own tap with a certified lab first-draw sample; Castle Rock, 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 Beverly Hills Mutual Wc 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.