Chilhowee Pws, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 0.87 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.
Chilhowee Pws at a glance
Chilhowee Pws serves about 382 people through 123 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Johnson County, Missouri. EPA system ID: MO1010161; phone on file: 660-678-4711. They can tell you what your service line is made of and whether they pay to replace it.
Chilhowee Pws's lead record
Against the period ending 2022 (0.9 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Chilhowee Pws is 2.94 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.87 ppb |
| 2022 | 0.9 ppb |
| 2022 | 0.9 ppb |
| 2019 | 2.94 ppb |
| 2019 | 2.94 ppb |
| 2016 | 0 (not detected) |
| 2016 | 0 (not detected) |
How Chilhowee Pws 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. Chilhowee Pws's 0.87 ppb sits at the 47th percentile in Missouri and the 49th nationally (higher means more lead).
Other water systems in Johnson County
13 other systems share Johnson County; 5 of them have a higher latest lead result than Chilhowee Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mo American Warrensburg | 18,500 | 0 (not detected) |
| Johnson County Pwsd 2 | 12,490 | 1.87 ppb |
| Whiteman Air Base | 10,106 | 0 (not detected) |
| Johnson County Pwsd 3 | 5,317 | 0 (not detected) |
| Johnson County Pwsd 1 | 4,240 | 1.08 ppb |
| Knob Noster Pws | 2,863 | 2.25 ppb |
| Holden Pws | 2,683 | 0 (not detected) |
| Leeton Pws | 601 | 1.73 ppb |
| Kingsville Pws | 345 | 0.52 ppb |
| Mo American East Warrensburg | 335 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Chilhowee, 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 Chilhowee 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. Systems that went over once often dip back under; here is what that means.