Stockton Hills Water Co, 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
Stockton Hills Water Co serves about 400 people through 140 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Cedar County, Missouri. EPA system ID: MO5036164; phone on file: 417-276-4433. 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 3.33 ppb from 3.33 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Stockton Hills Water Co is 3.86 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2023 | 3.33 ppb |
| 2022 | 1.28 ppb |
| 2022 | 1.28 ppb |
| 2019 | 3.86 ppb |
| 2019 | 3.86 ppb |
| 2019 | 3.33 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. Stockton Hills Water Co's reported as 0 (not detected) sits at the 22nd percentile in Missouri and the 21st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
8 other systems share Cedar County; 2 of them have a higher latest lead result than Stockton Hills Water Co. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| El Dorado Springs Pws | 3,593 | 1.11 ppb |
| Stockton Pws | 1,892 | 0 (not detected) |
| Cedar County Pwsd 1 | 1,650 | 0 (not detected) |
| Agape Land Management | 250 | 0 (not detected) |
| Village Of Umber View Heights Pws | 50 | 2.11 ppb |
| Airport Village Mhp | 42 | 0 (not detected) |
| Friendship Hills Subd | 35 | 0 (not detected) |
| Chapel Hill Subd | 32 | 0 (not detected) |
What to do in your house
Look up your address in Stockton Hills Water Co'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 Stockton Hills Water Co 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. Small systems behave differently: why small systems go over more often.