Thousand Trails San Benito Preserve, CA
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 10.7 ppb (monitoring period 2022-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
About Thousand Trails San Benito Preserve
Thousand Trails San Benito Preserve serves about 17 people through 365 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in San Benito County, California. EPA system ID: CA3500505; phone on file: 831-389-4290. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2024 (10.7 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Thousand Trails San Benito Preserve is 10.7 ppb across 6 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 10.7 ppb over 10 |
| 2024 | 10.7 ppb over 10 |
| 2021 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2018 | 0 (not detected) |
Against other California systems
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. Thousand Trails San Benito Preserve's 10.7 ppb sits at the 98th percentile in California and the 97th nationally (higher means more lead).
Neighbouring systems
30 other systems share San Benito County; 0 of them have a higher latest lead result than Thousand Trails San Benito Preserve. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hollister, City Of | 26,598 | 1.4 ppb |
| Sunnyslope County Water Dist | 25,486 | 0 (not detected) |
| Aromas Water District | 2,988 | 1.4 ppb |
| San Juan Bautista, City Of | 2,335 | 0 (not detected) |
| Mission Oaks Mobile Home Park | 550 | 0 (not detected) |
| Tres Pinos Cwd | 350 | 0 (not detected) |
| Golden State Water Co - San Juan Oaks | 260 | 0 (not detected) |
| Csa No. 31 Stonegate Ws | 230 | 0.7 ppb |
| San Justo Mutual Water Company | 166 | 0 (not detected) |
| Hollister Ranch Estates | 150 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Paicines, 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 Thousand Trails San Benito Preserve 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. This system is in the band the 2027 10 ppb rule changes.