Lomas Del Sol Mws, CA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). 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.
Lomas Del Sol Mws at a glance
Lomas Del Sol Mws serves about 93 people through 32 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Monterey County, California. EPA system ID: CA2701918; phone on file: 831-726-1730. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 7 ppb from 7 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Lomas Del Sol Mws is 7 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 7 ppb |
| 2018 | 0 (not detected) |
How Lomas Del Sol Mws compares
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. Lomas Del Sol Mws's reported as 0 (not detected) sits at the 17th percentile in California and the 9th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Monterey County
155 other systems share Monterey County; 90 of them have a higher latest lead result than Lomas Del Sol Mws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Cal Am Water Company - Monterey | 128,928 | 1 ppb |
| Cwsc Salinas | 114,286 | 1.2 ppb |
| Alco Water Service | 56,253 | 0 (not detected) |
| Marina Coast Water District | 38,918 | 0 (not detected) |
| Soledad, City Of | 19,732 | 0 (not detected) |
| Greenfield, City Of | 18,967 | 0 (not detected) |
| Cwsc King City | 14,046 | 0 (not detected) |
| Gonzales, City Of | 8,333 | 0 (not detected) |
| Cwsc Salinas Hills | 7,733 | 0.9 ppb |
| Castroville Community Services District | 7,515 | 0 (not detected) |
Next steps for Aromas, CA
Look up your address in Lomas Del Sol Mws'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 Lomas Del Sol Mws 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. Small systems behave differently: why small systems go over more often.