Shady Oak Mhp, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 2.21 ppb (monitoring period 2024-2026). 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.
Who runs the water here
Shady Oak Mhp serves about 65 people through 26 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Wright County, Missouri. EPA system ID: MO5048231; phone on file: 417-554-1213. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Shady Oak Mhp's lead record
That is down 4.99 ppb from 7.2 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Shady Oak Mhp is 14.7 ppb across 8 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2.21 ppb |
| 2025 | 7.2 ppb |
| 2023 | 7.2 ppb |
| 2023 | 10.2 ppb over 10 |
| 2022 | 6.4 ppb |
| 2020 | 6.4 ppb |
| 2017 | 3.48 ppb |
| 2016 | 14.7 ppb over 10 |
How Shady Oak Mhp 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. Shady Oak Mhp's 2.21 ppb sits at the 74th percentile in Missouri and the 75th nationally (higher means more lead).
Nearby utilities
6 other systems share Wright County; 2 of them have a higher latest lead result than Shady Oak Mhp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mountain Grove Pws | 4,789 | 0 (not detected) |
| Mansfield Pws | 1,193 | 2.55 ppb |
| Norwood Pws | 665 | 6.14 ppb |
| Hartville Pws | 655 | 0 (not detected) |
| Wright County Pwsd 1 | 483 | 0.92 ppb |
| Missouri Rv Park | 90 | 1.2 ppb |
Next steps for Mansfield, MO
Test your own tap with a certified lab first-draw sample; Mansfield, 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 Shady Oak Mhp 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. Size matters more than most people expect: small vs large water systems.