Lupin Lodge, CA
Lead detected, under the action levels
Latest 90th-percentile lead: 0.2 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.
Lupin Lodge at a glance
Lupin Lodge serves about 300 people through 30 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws surface water, in Santa Clara County, California. EPA system ID: CA4300716; phone on file: 408-353-9200. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 3.9 ppb from 4.1 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Lupin Lodge is 4.6 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.2 ppb |
| 2021 | 4.1 ppb |
| 2018 | 0 (not detected) |
| 2017 | 4.6 ppb |
| 2016 | 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. Lupin Lodge's 0.2 ppb sits at the 64th percentile in California and the 41st nationally (higher means more lead).
Other water systems in Santa Clara County
72 other systems share Santa Clara County; 27 of them have a higher latest lead result than Lupin Lodge. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| San Jose Water | 1,039,920 | 0 (not detected) |
| City Of Sunnyvale | 157,566 | 0 (not detected) |
| City Of Santa Clara | 134,587 | 2.7 ppb |
| Great Oaks Wc Inc | 112,582 | 0 (not detected) |
| City Of San Jose - Evg/Edv/Coy | 99,783 | 0 (not detected) |
| City Of Milpitas | 81,915 | 2.5 ppb |
| City Of Mountain View | 81,340 | 0 (not detected) |
| City Of Palo Alto | 67,658 | 0 (not detected) |
| Cwsc Los Altos Suburban | 63,559 | 1.5 ppb |
| City Of Gilroy | 59,426 | 2 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Los Gatos, 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 Lupin Lodge 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. The action level is dropping - the 10 ppb rule from 2027.