Lake Ozark Pws, MO
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
Lake Ozark Pws serves about 2,007 people through 1,053 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 Miller County, Missouri. EPA system ID: MO3010441; phone on file: 573-365-5378. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is down 1.63 ppb from 1.63 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Lake Ozark Pws is 2.91 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 1.63 ppb |
| 2022 | 1.63 ppb |
| 2019 | 2.91 ppb |
| 2019 | 2.91 ppb |
| 2016 | 2.29 ppb |
| 2016 | 2.29 ppb |
Against other Missouri systems
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. Lake Ozark Pws's reported as 0 (not detected) sits at the 34th percentile in Missouri and the 31st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
14 other systems share Miller County; 8 of them have a higher latest lead result than Lake Ozark Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Eldon Pws | 4,895 | 2.39 ppb |
| Iberia Pws | 700 | 1.3 ppb |
| St Elizabeth Pws | 435 | 0.56 ppb |
| Brookview Apartments | 172 | 0.51 ppb |
| Miller County Care Center | 150 | 0.7 ppb |
| Jcrp At The Lake Llc | 150 | 0.85 ppb |
| Doolittle Mhp | 100 | 0 (not detected) |
| Palace Lane Estates | 100 | 0 (not detected) |
| Sunset Mhp | 75 | 1.69 ppb |
| Beach Club Condo Assn | 65 | 0 (not detected) |
Next steps for Lake Ozark, MO
Look up your address in Lake Ozark Pws'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 Lake Ozark Pws 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. A zero today does not rule out a jump later - the rules are tightening in 2027.