Cs Rancheros Bonitos Water Company, MO
Exceeded the action level in the past
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 result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
About Cs Rancheros Bonitos Water Company
Cs Rancheros Bonitos Water Company serves about 120 people through 47 service connections, which makes it a very small system under EPA's size classes. It is under mixed public and private ownership and draws groundwater, in Yuma County, Missouri. EPA system ID: AZ0414073; phone on file: 602-698-9786. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Cs Rancheros Bonitos Water Company'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 Cs Rancheros Bonitos Water Company is 18 ppb across 8 monitoring periods, 1 of them over the 15 ppb action level.
| 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 | 9 ppb |
| 2017 | 18 ppb over 15 |
How Cs Rancheros Bonitos Water Company compares
Of the 1,674 Missouri systems with a lead result, the median latest reading is 1.04 ppb; 2 are over 15 ppb right now and 74 have gone over at some point. Cs Rancheros Bonitos Water Company's reported as 0 (not detected) sits at the 9th percentile in Missouri and the 11th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Yuma County
7 other systems share Yuma County; 3 of them have a higher latest lead result than Cs Rancheros Bonitos Water Company. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Cs Tierra Mesa Estates Water Company | 632 | 0 (not detected) |
| Cs Gadsden Water Company | 540 | 0 (not detected) |
| Cs El Prado Water Company | 404 | 0 (not detected) |
| Cs Mohawk Utility Company | 243 | 4.3 ppb |
| Cs Antelope Water Company | 163 | 5 ppb |
| Cs Green Acres Water Company | 105 | 0 (not detected) |
| Cs Citrus Park Water Company | 102 | 0.37 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; St. Louis, MO 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 Cs Rancheros Bonitos Water Company 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. More in what a past exceedance means today.