West Grand Valley 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.
Who runs the water here
West Grand Valley Wa serves about 100 people through 37 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Otero County, Colorado. EPA system ID: CO0145810; phone on file: 913-634-5963. They can tell you what your service line is made of and whether they pay to replace it.
West Grand Valley Wa's lead record
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for West Grand Valley Wa is 7 ppb across 9 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 7 ppb |
| 2017 | 2 ppb |
| 2016 | 1.1 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. West Grand Valley Wa's reported as 0 (not detected) sits at the 7th percentile in Colorado and the 9th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Otero County
22 other systems share Otero County; 11 of them have a higher latest lead result than West Grand Valley Wa. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| La Junta City Of | 8,320 | 1 ppb |
| Rocky Ford City Of | 4,443 | 0 (not detected) |
| Fowler Town Of | 1,169 | 0 (not detected) |
| Bents Fort Wc | 900 | 0.6 ppb |
| Swink Town Of | 660 | 2 ppb |
| South Swink Water Authority | 622 | 3 ppb |
| Eureka Wc | 498 | 0 (not detected) |
| Manzanola Town Of | 497 | 0 (not detected) |
| Newdale Grand Valley Wc | 458 | 0 (not detected) |
| Hilltop Wc | 285 | 1.5 ppb |
What to do in your house
Look up your address in West Grand Valley 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 West Grand Valley 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. The lead result guide covers how utilities pick the homes they sample. Small systems behave differently: why small systems go over more often.