Franklin Public Water System, OH
Lead detected, under the action levels
Latest 90th-percentile lead: 2.1 ppb (monitoring period 2022-2024). 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.
Who runs the water here
Franklin Public Water System serves about 11,690 people through 4,835 service connections, which makes it a large system under EPA's size classes. It is privately owned and draws groundwater, in Warren County, Ohio. EPA system ID: OH8300412; phone on file: 937-746-5001. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Franklin Public Water System's lead record
Against the period ending 2021 (2.1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Franklin Public Water System is 3.34 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2.1 ppb |
| 2021 | 2.1 ppb |
| 2018 | 3.34 ppb |
Where this result ranks
Of the 1,079 Ohio systems with a lead result, the median latest reading is 0.7 ppb; 1 are over 15 ppb right now and 27 have gone over at some point. Franklin Public Water System's 2.1 ppb sits at the 80th percentile in Ohio and the 74th nationally (higher means more lead).
Other water systems in Warren County
14 other systems share Warren County; 3 of them have a higher latest lead result than Franklin Public Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Warren County | 99,000 | 1.4 ppb |
| Western Water Company | 39,508 | 1.3 ppb |
| Lebanon City | 20,700 | 1.2 ppb |
| Springboro Pws | 19,263 | 4.4 ppb |
| South Lebanon City Pws | 7,792 | 0 (not detected) |
| Waynesville Village Pws | 4,100 | 1.6 ppb |
| Lebanon Correctional Institution | 3,410 | 4.4 ppb |
| Morrow Village Pws | 3,360 | 1.9 ppb |
| Carlisle City Pws | 1,675 | 1.7 ppb |
| Otterbein-Lebanon Retreat Center | 1,541 | 0.9 ppb |
Next steps for Franklin, OH
Test your own tap with a certified lab first-draw sample; Franklin, OH 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 Franklin Public Water System 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. Size matters more than most people expect: small vs large water systems.