Rolling Plains Estate, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 1 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.
About Rolling Plains Estate
Rolling Plains Estate serves about 40 people through 16 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Arapahoe County, Colorado. EPA system ID: CO0103081; phone on file: 303-622-6363. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 3 ppb from 4 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Rolling Plains Estate is 5.7 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2021 | 4 ppb |
| 2020 | 5 ppb |
| 2019 | 5.7 ppb |
| 2018 | 2.4 ppb |
| 2017 | 2.7 ppb |
| 2016 | 1.6 ppb |
How Rolling Plains Estate 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. Rolling Plains Estate's 1 ppb sits at the 47th percentile in Colorado and the 50th nationally (higher means more lead).
Nearby utilities
28 other systems share Arapahoe County; 8 of them have a higher latest lead result than Rolling Plains Estate. 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 |
| East Cherry Creek Valley Wsd | 66,130 | 0 (not detected) |
| 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 |
Next steps for Strasburg, CO
Test your own tap with a certified lab first-draw sample; Strasburg, 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 Rolling Plains Estate 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.