South Zanesville Pws, OH
Lead detected, under the action levels
Latest 90th-percentile lead: 0.4 ppb (monitoring period 2025-2025). 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
South Zanesville Pws serves about 2,800 people through 1,277 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Muskingum County, Ohio. EPA system ID: OH6002212; phone on file: 740-455-8762. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2024 (0.8 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for South Zanesville Pws is 0.9 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.4 ppb |
| 2024 | 0.8 ppb |
| 2023 | 0 (not detected) |
| 2022 | 0.7 ppb |
| 2021 | 0.9 ppb |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
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. South Zanesville Pws's 0.4 ppb sits at the 47th percentile in Ohio and the 42nd nationally (higher means more lead).
Other water systems in Muskingum County
10 other systems share Muskingum County; 5 of them have a higher latest lead result than South Zanesville Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Zanesville Pws | 29,381 | 0.9 ppb |
| Muskingum County Water - Se | 21,540 | 1 ppb |
| Maysville Regional Water | 6,540 | 0 (not detected) |
| New Concord Pws | 2,491 | 0 (not detected) |
| Dresden Pws | 2,000 | 0 (not detected) |
| Roseville Pws | 1,852 | 2.5 ppb |
| Frazeysburg Pws | 1,340 | 0 (not detected) |
| Philo | 974 | 1 ppb |
| Greenlawn Estates Mhp | 480 | 0 (not detected) |
| Dunfalls Association, Inc. | 266 | 2.8 ppb |
Next steps for Zanesville, OH
Test your own tap with a certified lab first-draw sample; Zanesville, 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 South Zanesville Pws 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. 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.