Waterfall Estates Mhp, OH
Lead detected, under the action levels
Latest 90th-percentile lead: 3.6 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
Waterfall Estates Mhp serves about 51 people through 49 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Richland County, Ohio. EPA system ID: OH7002112. Ask the utility on your bill for your address in their service line inventory.
Waterfall Estates Mhp's lead record
Against the period ending 2024 (4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Waterfall Estates Mhp is 4.5 ppb across 12 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3.6 ppb |
| 2024 | 4 ppb |
| 2023 | 4.5 ppb |
| 2022 | 3.2 ppb |
| 2021 | 2.7 ppb |
| 2020 | 2.8 ppb |
| 2020 | 2.8 ppb |
| 2019 | 1.3 ppb |
| 2019 | 1.3 ppb |
| 2018 | 1.1 ppb |
| 2018 | 1.1 ppb |
| 2017 | 1.4 ppb |
How Waterfall Estates Mhp compares
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. Waterfall Estates Mhp's 3.6 ppb sits at the 92nd percentile in Ohio and the 85th nationally (higher means more lead).
Nearby utilities
44 other systems share Richland County; 4 of them have a higher latest lead result than Waterfall Estates Mhp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mansfield City | 51,000 | 0 (not detected) |
| Shelby City | 9,453 | 0 (not detected) |
| Ontario City | 6,756 | 2.7 ppb |
| Lexington Village | 4,825 | 0 (not detected) |
| Madison Water District | 2,050 | 0 (not detected) |
| Bellville Village | 1,918 | 0.9 ppb |
| Plymouth Village | 1,874 | 0 (not detected) |
| Eastview Community Water Association | 1,100 | 2.6 ppb |
| Butler Village | 940 | 1.1 ppb |
| Aqua Ohio - Mansfield System #01 | 813 | 0 (not detected) |
Next steps for Columbus, OH
Test your own tap with a certified lab first-draw sample; Columbus, 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 Waterfall Estates Mhp 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. Systems that went over once often dip back under; here is what that means.