Elkhorn Ranch Md No 1, CO
Lead detected, under the action levels
Latest 90th-percentile lead: 0.5 ppb (monitoring period 2025-2025). 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
Elkhorn Ranch Md No 1 serves about 530 people through 204 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Elbert County, Colorado. EPA system ID: CO0120244; phone on file: 303-790-4830. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 1.7 ppb from 2.2 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Elkhorn Ranch Md No 1 is 5 ppb across 12 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.5 ppb |
| 2024 | 2.2 ppb |
| 2023 | 0.6 ppb |
| 2022 | 0.8 ppb |
| 2021 | 0.3 ppb |
| 2020 | 0.8 ppb |
| 2020 | 0.3 ppb |
| 2019 | 1 ppb |
| 2019 | 0.3 ppb |
| 2018 | 0.7 ppb |
| 2017 | 0 (not detected) |
| 2016 | 5 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. Elkhorn Ranch Md No 1's 0.5 ppb sits at the 42nd percentile in Colorado and the 43rd nationally (higher means more lead).
Neighbouring systems
14 other systems share Elbert County; 6 of them have a higher latest lead result than Elkhorn Ranch Md No 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Elizabeth Town Of | 4,523 | 4 ppb |
| Spring Valley Md No 1 | 1,788 | 0 (not detected) |
| Elbert County Hwy 86 Wd | 1,040 | 1.8 ppb |
| Kiowa Water And Wastewater Authority | 910 | 3 ppb |
| Deer Creek Wd | 792 | 0 (not detected) |
| Simla Town Of | 618 | 2 ppb |
| Independence Wsd | 567 | 0 (not detected) |
| Gambel Oaks Hoa | 350 | 0 (not detected) |
| Elbert Wsd | 300 | 0 (not detected) |
| Prairie Wc | 300 | 1.5 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Centennial, 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 Elkhorn Ranch Md No 1 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.