Montezuma Cnty Wd No 1, 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 Montezuma Cnty Wd No 1
Montezuma Cnty Wd No 1 serves about 490 people through 242 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Montezuma County, Colorado. EPA system ID: CO0142800; phone on file: 970-565-3343. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 10.2 ppb from 10.2 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Montezuma Cnty Wd No 1 is 10.2 ppb across 6 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2021 | 10.2 ppb over 10 |
| 2020 | 1.7 ppb |
| 2019 | 1.5 ppb |
| 2018 | 1.2 ppb |
| 2017 | 2.6 ppb |
How Montezuma Cnty Wd No 1 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. Montezuma Cnty Wd No 1's reported as 0 (not detected) sits at the 22nd percentile in Colorado and the 22nd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Montezuma County
9 other systems share Montezuma County; 8 of them have a higher latest lead result than Montezuma Cnty Wd No 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Montezuma Wc | 13,797 | 2.9 ppb |
| Cortez City Of | 8,770 | 2.2 ppb |
| Dolores Town Of | 1,626 | 2.3 ppb |
| Mancos Town Of | 1,390 | 0.9 ppb |
| Mancos Rural Water Company | 1,300 | 0 (not detected) |
| Oak Meadows Mhp | 200 | 0.8 ppb |
| Vista Verde Village | 200 | 0.3 ppb |
| Elegant Hills Mhp | 170 | 1.6 ppb |
| Neighbors Of 7th Street Mhp | 96 | 1.4 ppb |
Your move
Look up your address in Montezuma Cnty Wd No 1'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 Montezuma Cnty Wd 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. Small systems behave differently: why small systems go over more often.