Tonganoxie, City Of, KS
Lead detected, under the action levels
Latest 90th-percentile lead: 1.3 ppb (monitoring period 2023-2023). 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.
Tonganoxie, City Of at a glance
Tonganoxie, City Of serves about 5,702 people through 2,213 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Leavenworth County, Kansas. EPA system ID: KS2010306; phone on file: 913-208-6590. 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 2022 (2.3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Tonganoxie, City Of is 9.5 ppb across 11 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1.3 ppb |
| 2022 | 2.3 ppb |
| 2021 | 2 ppb |
| 2021 | 0 (not detected) |
| 2020 | 2.5 ppb |
| 2019 | 3.6 ppb |
| 2019 | 1.5 ppb |
| 2018 | 1.3 ppb |
| 2018 | 1.3 ppb |
| 2017 | 9.5 ppb |
| 2017 | 0 (not detected) |
Where this result ranks
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. Tonganoxie, City Of's 1.3 ppb sits at the 49th percentile in Kansas and the 61st nationally (higher means more lead).
Other water systems in Leavenworth County
15 other systems share Leavenworth County; 10 of them have a higher latest lead result than Tonganoxie, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Leavenworth Water Department | 38,757 | 0 (not detected) |
| Fort Leavenworth American Water Ent Llc | 12,934 | 4.94 ppb |
| Lan Del Water District | 7,302 | 1.58 ppb |
| Suburban Water Company | 4,700 | 2.5 ppb |
| Leavenworth Co Rwd 1c | 3,200 | 2.6 ppb |
| Leavenworth Co Rwd 7 | 3,000 | 9.1 ppb |
| Leavenworth Co Rwd 8 | 2,500 | 0 (not detected) |
| Leavenworth Co Rwd 9 | 2,000 | 3 ppb |
| Leavenworth Co Rwd 5c | 780 | 0 (not detected) |
| Leavenworth Co Rwd 10 | 499 | 4.1 ppb |
Next steps for Tonganoxie, KS
Test your own tap with a certified lab first-draw sample; Tonganoxie, 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 Tonganoxie, City Of whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1500 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.