Mo American Wardsville, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2022-2024). 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.
About Mo American Wardsville
Mo American Wardsville serves about 1,506 people through 510 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Cole County, Missouri. EPA system ID: MO3010831; phone on file: 636-263-7370. They can tell you what your service line is made of and whether they pay to replace it.
Mo American Wardsville's lead record
Against the period ending 2022 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Mo American Wardsville is 2.08 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2 ppb |
| 2022 | 2 ppb |
| 2021 | 2 ppb |
| 2021 | 2 ppb |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2016 | 2.08 ppb |
How Mo American Wardsville 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. Mo American Wardsville's 2 ppb sits at the 71st percentile in Missouri and the 72nd nationally (higher means more lead).
Neighbouring systems
11 other systems share Cole County; 5 of them have a higher latest lead result than Mo American Wardsville. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mo American Jefferson City District | 30,075 | 2 ppb |
| Cole County Pwsd 1 | 16,548 | 5.13 ppb |
| Cole County Pwsd 2 | 13,107 | 8.58 ppb |
| Cole County Pwsd 4 | 7,568 | 8.81 ppb |
| Cole County Pwsd 3 | 2,000 | 1.88 ppb |
| Russellville Pws | 800 | 1.69 ppb |
| Cole County Pwsd 5 | 350 | 15.1 ppb |
| Centertown Pws | 278 | 0.59 ppb |
| Mo American Lake Carmel | 215 | 2 ppb |
| Eugene Pws | 125 | 0.78 ppb |
Next steps for Cottleville, MO
Test your own tap with a certified lab first-draw sample; Cottleville, 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 Mo American Wardsville 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. What a 90th-percentile result does and does not tell you: how to read a lead result. The action level is dropping - the 10 ppb rule from 2027.