Silver Heights Wsd, CO
Exceeded the action level in the past
Latest 90th-percentile lead: 1 ppb (monitoring period 2026-2028). 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.
Silver Heights Wsd at a glance
Silver Heights Wsd serves about 301 people through 114 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 Douglas County, Colorado. EPA system ID: CO0118075; phone on file: 303-668-5597. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2023 (1.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Silver Heights Wsd is 50.1 ppb across 13 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 1 ppb |
| 2023 | 1.5 ppb |
| 2022 | 3 ppb |
| 2021 | 4.5 ppb |
| 2020 | 2 ppb |
| 2020 | 0 (not detected) |
| 2019 | 1 ppb |
| 2019 | 1 ppb |
| 2018 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2017 | 0.8 ppb |
| 2017 | 1.1 ppb |
| 2016 | 50.1 ppb over 15 |
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. Silver Heights Wsd's 1 ppb sits at the 51st percentile in Colorado and the 52nd nationally (higher means more lead).
Neighbouring systems
29 other systems share Douglas County; 13 of them have a higher latest lead result than Silver Heights Wsd. 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) |
What to do in your house
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 Silver Heights 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. More in what a past exceedance means today.