Waynesville Northern Heights Est Sub, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 2.26 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 Waynesville Northern Heights Est Sub
Waynesville Northern Heights Est Sub serves about 961 people through 270 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 Pulaski County, Missouri. EPA system ID: MO4031414; phone on file: 573-774-6171. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is up 1.18 ppb from 1.08 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Waynesville Northern Heights Est Sub is 2.26 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.26 ppb |
| 2022 | 1.08 ppb |
| 2022 | 1.08 ppb |
| 2019 | 1.01 ppb |
Where this result ranks
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. Waynesville Northern Heights Est Sub's 2.26 ppb sits at the 74th percentile in Missouri and the 75th nationally (higher means more lead).
Neighbouring systems
15 other systems share Pulaski County; 2 of them have a higher latest lead result than Waynesville Northern Heights Est Sub. 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 |
| Crocker Pws | 933 | 2 ppb |
| Ridge Creek Water Company Llc | 450 | 0 (not detected) |
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 Waynesville Northern Heights Est Sub 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. Systems that went over once often dip back under; here is what that means.