Prosperity Lane Wa, CO
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About Prosperity Lane Wa
Prosperity Lane Wa serves about 260 people through 107 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Prowers County, Colorado. EPA system ID: CO0150850; phone on file: 719-688-1287. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is down 4.5 ppb from 4.5 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Prosperity Lane Wa is 5.5 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2021 | 4.5 ppb |
| 2020 | 5 ppb |
| 2019 | 5.5 ppb |
| 2018 | 2 ppb |
| 2017 | 0 (not detected) |
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. Prosperity Lane Wa's reported as 0 (not detected) sits at the 16th percentile in Colorado and the 17th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Prowers County
9 other systems share Prowers County; 4 of them have a higher latest lead result than Prosperity Lane Wa. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lamar City Of | 7,500 | 4 ppb |
| May Valley Wa | 1,500 | 2 ppb |
| Holly Town Of | 800 | 0 (not detected) |
| Granada Town Of | 515 | 4 ppb |
| Wiley Town Of | 405 | 2 ppb |
| Granada Rural Water Authority | 378 | 0 (not detected) |
| Bristol Wsd | 151 | 0 (not detected) |
| A And B Wa Inc | 100 | 0 (not detected) |
| Hartman Town Of | 61 | 0 (not detected) |
Next steps for Lamar, CO
Look up your address in Prosperity Lane Wa's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Prosperity Lane Wa 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. Small systems behave differently: why small systems go over more often.