Oneida, City Of, KS
Lead detected, under the action levels
Latest 90th-percentile lead: 2.51 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. 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 Oneida, City Of
Oneida, City Of serves about 61 people through 38 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 Nemaha County, Kansas. EPA system ID: KS2013103; phone on file: 785-294-2283. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Oneida, City Of's lead record
That is down 5.99 ppb from 8.5 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Oneida, City Of is 14.8 ppb across 4 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2.51 ppb |
| 2023 | 8.5 ppb |
| 2020 | 1.2 ppb |
| 2017 | 14.8 ppb over 10 |
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. Oneida, City Of's 2.51 ppb sits at the 73rd percentile in Kansas and the 78th nationally (higher means more lead).
Neighbouring systems
10 other systems share Nemaha County; 3 of them have a higher latest lead result than Oneida, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Nemaha Co Rwd 3 | 2,800 | 0 (not detected) |
| Sabetha, City Of | 2,519 | 2.7 ppb |
| Seneca, City Of | 2,130 | 3.6 ppb |
| Centralia, City Of | 486 | 0 (not detected) |
| Nemaha Co Rwd 4 | 448 | 2.5 ppb |
| Nemaha Co Rwd 1 | 350 | 2.7 ppb |
| Wetmore, City Of | 348 | 0.6 ppb |
| Corning, City Of | 213 | 0 (not detected) |
| Bern, City Of | 163 | 2.3 ppb |
| Goff, City Of | 105 | 1.2 ppb |
Next steps for Oneida, KS
Test your own tap with a certified lab first-draw sample; Oneida, 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 Oneida, City Of 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. The action level is dropping - the 10 ppb rule from 2027.