Ozawkie, City Of, KS
Lead detected, under the action levels
Latest 90th-percentile lead: 2.57 ppb (monitoring period 2026-2026). 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.
About Ozawkie, City Of
Ozawkie, City Of serves about 636 people through 255 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 Jefferson County, Kansas. EPA system ID: KS2008718; phone on file: 785-876-2550. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2025 (1.7 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Ozawkie, City Of is 7 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2.57 ppb |
| 2025 | 1.7 ppb |
| 2024 | 5.6 ppb |
| 2024 | 0 (not detected) |
| 2023 | 7 ppb |
| 2020 | 1.9 ppb |
| 2017 | 1.9 ppb |
Against other Kansas systems
Of the 832 Kansas systems with a lead result, the median latest reading is 1.4 ppb; 2 are over 15 ppb right now and 35 have gone over at some point. Ozawkie, City Of's 2.57 ppb sits at the 73rd percentile in Kansas and the 78th nationally (higher means more lead).
Other water systems in Jefferson County
17 other systems share Jefferson County; 6 of them have a higher latest lead result than Ozawkie, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Jefferson Co Rwd 12 | 3,635 | 3.4 ppb |
| Jefferson Co Rwd 3 | 2,435 | 2.22 ppb |
| Jefferson Co Rwd 1 | 2,343 | 1.7 ppb |
| Jefferson Co Rwd 13 | 2,115 | 0.1 ppb |
| Jefferson Co Rwd 7 | 1,180 | 0 (not detected) |
| Valley Falls, City Of | 1,086 | 4.1 ppb |
| Oskaloosa, City Of | 1,086 | 0 (not detected) |
| Mclouth, City Of | 858 | 0 (not detected) |
| Perry, City Of | 858 | 3.52 ppb |
| Jefferson Co Rwd 2 | 642 | 2.9 ppb |
Next steps for Ozawkie, KS
Test your own tap with a certified lab first-draw sample; Ozawkie, KS 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 Ozawkie, City Of whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 3250 ppb (copper action level 1,300 ppb).
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.