Forest Hills Md Riva Chase, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 3.5 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.
Forest Hills Md Riva Chase at a glance
Forest Hills Md Riva Chase serves about 400 people through 148 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: CO0130033; phone on file: 303-877-6284. 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 2021 (3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Forest Hills Md Riva Chase is 12.5 ppb across 7 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3.5 ppb |
| 2021 | 3 ppb |
| 2020 | 4 ppb |
| 2019 | 12.5 ppb over 10 |
| 2018 | 8 ppb |
| 2017 | 4.5 ppb |
| 2016 | 9 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. Forest Hills Md Riva Chase's 3.5 ppb sits at the 87th percentile in Colorado and the 85th nationally (higher means more lead).
Neighbouring systems
50 other systems share Jefferson County; 5 of them have a higher latest lead result than Forest Hills Md Riva Chase. 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 | - |
Next steps for Denver, CO
Test your own tap with a certified lab first-draw sample; Denver, 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 Forest Hills Md Riva Chase 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. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.