Tanglewood Lake Water Co, OH
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2026-2026). 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.
Who runs the water here
Tanglewood Lake Water Co serves about 1,800 people through 575 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Geauga County, Ohio. EPA system ID: OH2802512; phone on file: 440-543-7424. They can tell you what your service line is made of and whether they pay to replace it.
Tanglewood Lake Water Co's lead record
Against the period ending 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Tanglewood Lake Water Co is 0 ppb across 10 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2016 | 0 (not detected) |
How Tanglewood Lake Water Co 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. Tanglewood Lake Water Co's reported as 0 (not detected) sits at the 27th percentile in Ohio and the 30th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
30 other systems share Geauga County; 7 of them have a higher latest lead result than Tanglewood Lake Water Co. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Chardon City Pws | 5,247 | 0 (not detected) |
| Geauga County-Bainbridge | 3,000 | 3 ppb |
| Middlefield Village Pws | 2,748 | 0 (not detected) |
| Burton Village Pws | 1,520 | 0 (not detected) |
| Lake Lucerne Club Co. | 980 | 0 (not detected) |
| Notre Dame Sisters And Elementary School | 950 | 0 (not detected) |
| Leaders Mhp Pws | 700 | 0 (not detected) |
| Aqua Ohio - Auburn Lakes Pws | 658 | 0 (not detected) |
| Chardon Woods Of Journey | 650 | 0 (not detected) |
| Geauga County Services Center Pws | 570 | 0 (not detected) |
Your move
Look up your address in Tanglewood Lake Water Co'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 Tanglewood Lake Water Co 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. A zero today does not rule out a jump later - the rules are tightening in 2027.