Shalom Mountain, MO
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 13.5 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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
About Shalom Mountain
Shalom Mountain serves about 260 people through 101 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Pulaski County, Missouri. EPA system ID: MO3031302; phone on file: 573-528-1747. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 13.5 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Shalom Mountain is 13.5 ppb across 8 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 13.5 ppb over 10 |
| 2025 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 1.91 ppb |
| 2020 | 1.91 ppb |
| 2019 | 8.53 ppb |
| 2017 | 8.53 ppb |
| 2016 | 2.21 ppb |
How Shalom Mountain 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. Shalom Mountain's 13.5 ppb sits at the 100th percentile in Missouri and the 98th nationally (higher means more lead).
Other water systems in Pulaski County
15 other systems share Pulaski County; 0 of them have a higher latest lead result than Shalom Mountain. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Fort Leonard Wood | 34,000 | 1.5 ppb |
| Pulaski County Pwsd 2 | 8,038 | 0 (not detected) |
| Waynesville Pws | 5,460 | 7.08 ppb |
| St Robert Pws | 5,192 | 0 (not detected) |
| Pulaski County Pwsd 1 | 4,000 | 1.32 ppb |
| Richland Pws | 1,863 | 0 (not detected) |
| Dixon Pws | 1,221 | 0 (not detected) |
| Pulaski County Pwsd 3 | 1,113 | 1.01 ppb |
| Waynesville Northern Heights Est Sub | 961 | 2.26 ppb |
| Crocker Pws | 933 | 2 ppb |
Next steps for Waynesville, MO
Test your own tap with a certified lab first-draw sample; Waynesville, 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 Shalom Mountain 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. This system is in the band the 2027 10 ppb rule changes.