Readfield Corner Water Association, ME
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Readfield Corner Water Association at a glance
Readfield Corner Water Association serves about 54 people through 21 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Kennebec County, Maine. EPA system ID: ME0092100; phone on file: 207-377-2712. They can tell you what your service line is made of and whether they pay to replace it.
Readfield Corner Water Association's lead record
Against the period ending 2024 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Readfield Corner Water Association is 33 ppb across 9 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 1 ppb |
| 2022 | 1.6 ppb |
| 2022 | 1.4 ppb |
| 2021 | 33 ppb over 15 |
| 2018 | 0 (not detected) |
| 2017 | 0 (not detected) |
| 2016 | 2.1 ppb |
Where this result ranks
Of the 358 Maine systems with a lead result, the median latest reading is 1.5 ppb; 2 are over 15 ppb right now and 40 have gone over at some point. Readfield Corner Water Association's reported as 0 (not detected) sits at the 9th percentile in Maine and the 4th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
26 other systems share Kennebec County; 18 of them have a higher latest lead result than Readfield Corner Water Association. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Kennebec Water District | 22,060 | 1.87 ppb |
| Greater Augusta Utility District | 13,750 | 1.1 ppb |
| Gardiner Water District | 9,000 | 3.44 ppb |
| Maine Water Company Oakland Division | 2,873 | 2 ppb |
| Winthrop Utilities District | 2,750 | 1.7 ppb |
| Hallowell Water District | 2,300 | 1.6 ppb |
| Clinton Water District | 1,013 | 0.5 ppb |
| Monmouth Water Association | 588 | 1.5 ppb |
| Pine Ridge Village | 85 | 0.6 ppb |
| Averills Mobile Home Park | 83 | 0 (not detected) |
Next steps for Winthrop, ME
Test your own tap with a certified lab first-draw sample; Winthrop, ME 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 Readfield Corner Water Association 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. Why an old exceedance still matters: over the limit before, under it now.