Aqua Ohio - Blacklick, OH
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Aqua Ohio - Blacklick at a glance
Aqua Ohio - Blacklick serves about 7,100 people through 2,898 service connections, which makes it a medium-sized system under EPA's size classes. It is privately owned and draws groundwater, in Franklin County, Ohio. EPA system ID: OH2502412; phone on file: 614-882-6586. They can tell you what your service line is made of and whether they pay to replace it.
Aqua Ohio - Blacklick's lead record
Against the period ending 2020 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Aqua Ohio - Blacklick is 2.7 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 2.7 ppb |
Against other Ohio systems
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. Aqua Ohio - Blacklick's reported as 0 (not detected) sits at the 36th percentile in Ohio and the 36th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
25 other systems share Franklin County; 14 of them have a higher latest lead result than Aqua Ohio - Blacklick. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Columbus Public Water System | 1,309,468 | 1.2 ppb |
| Westerville City Pws | 39,000 | 1 ppb |
| Reynoldsburg City Pws | 37,847 | 2.1 ppb |
| Gahanna City Pws | 33,258 | 0.5 ppb |
| Bexley City Pws | 14,250 | 0 (not detected) |
| Jefferson Water And Sewer District Pws | 11,294 | 2 ppb |
| Canal Winchester City Pws | 9,286 | 2.1 ppb |
| Sanitary District #4 | 8,575 | 1.3 ppb |
| Aqua Ohio - Huber Ridge Pws | 5,393 | 0 (not detected) |
| Aqua Ohio - Lake Darby | 3,562 | 0 (not detected) |
What to do in your house
Look up your address in Aqua Ohio - Blacklick's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Aqua Ohio - Blacklick 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. A zero today does not rule out a jump later - the rules are tightening in 2027.