St Charles Co Pwsd 2 Augusta, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 1.47 ppb (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. 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 St Charles Co Pwsd 2 Augusta
St Charles Co Pwsd 2 Augusta serves about 881 people through 339 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in St. Charles County, Missouri. EPA system ID: MO6024531; phone on file: 636-385-5197. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2022 (1.35 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for St Charles Co Pwsd 2 Augusta is 2.2 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.47 ppb |
| 2022 | 1.35 ppb |
| 2022 | 1.35 ppb |
| 2019 | 2.2 ppb |
| 2019 | 2.2 ppb |
| 2016 | 1.98 ppb |
| 2016 | 1.98 ppb |
How St Charles Co Pwsd 2 Augusta 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. St Charles Co Pwsd 2 Augusta's 1.47 ppb sits at the 60th percentile in Missouri and the 63rd nationally (higher means more lead).
Nearby utilities
17 other systems share St. Charles County; 6 of them have a higher latest lead result than St Charles Co Pwsd 2 Augusta. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| St Charles County Pwsd 2 | 100,587 | 2.28 ppb |
| St Charles Pws | 78,961 | 0 (not detected) |
| St Peters Pws | 52,575 | 0 (not detected) |
| Wentzville Pws | 41,784 | 4.77 ppb |
| Ofallon Pws | 32,515 | 1.48 ppb |
| St Paul Pws | 1,700 | 0 (not detected) |
| St Charles Pwsd 2 Foristell | 550 | 2.32 ppb |
| Mo American Jaxson | 535 | 0 (not detected) |
| Ecm Water & Sewer Authority - Flint Hill | 469 | 0 (not detected) |
| Portage Des Sioux Pws | 345 | 2.6 ppb |
Your move
Test your own tap with a certified lab first-draw sample; O'Fallon, 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 St Charles Co Pwsd 2 Augusta 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. The action level is dropping - the 10 ppb rule from 2027.