Tahoe Keys Water Company, CA
Lead detected, under the action levels
Latest 90th-percentile lead: 2.5 ppb (monitoring period 2023-2025). 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
Tahoe Keys Water Company serves about 1,420 people through 1,566 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in El Dorado County, California. EPA system ID: CA0910015; phone on file: 530-542-6444. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Tahoe Keys Water Company's lead record
That is down 3.5 ppb from 6 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Tahoe Keys Water Company is 6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.5 ppb |
| 2023 | 6 ppb |
| 2020 | 1.2 ppb |
| 2017 | 2.4 ppb |
Where this result ranks
Of the 2,884 California systems with a lead result, the median latest reading is 0 ppb; 30 are over 15 ppb right now and 215 have gone over at some point. Tahoe Keys Water Company's 2.5 ppb sits at the 82nd percentile in California and the 78th nationally (higher means more lead).
Neighbouring systems
18 other systems share El Dorado County; 4 of them have a higher latest lead result than Tahoe Keys Water Company. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| El Dorado Id - Main | 128,408 | 0 (not detected) |
| South Tahoe Pud - Main | 30,089 | 0 (not detected) |
| Georgetown Divide Pud | 9,434 | 0 (not detected) |
| Placerville, City Of - Main | 9,224 | 0 (not detected) |
| Lukins Brothers Water Company | 3,277 | 3 ppb |
| Tahoe City Pud - Rubicon | 1,384 | 2.2 ppb |
| Grizzly Flats Community Servic | 1,093 | 2.5 ppb |
| Lakeside Park Association | 924 | 0 (not detected) |
| El Dorado Id - Outingdale | 478 | 0 (not detected) |
| El Dorado Id - Strawberry | 357 | 0 (not detected) |
Next steps for South Lake Tahoe, CA
Test your own tap with a certified lab first-draw sample; South Lake Tahoe, CA 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 Tahoe Keys Water Company 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. Size matters more than most people expect: small vs large water systems.