Fcwwd 37/Mile High, CA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2026-2026). 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.
Who runs the water here
Fcwwd 37/Mile High serves about 118 people through 42 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Fresno County, California. EPA system ID: CA1000040; phone on file: 559-600-4482. They can tell you what your service line is made of and whether they pay to replace it.
Fcwwd 37/Mile High's lead record
That is down 2.6 ppb from 2.6 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Fcwwd 37/Mile High is 4.7 ppb across 19 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 2.6 ppb |
| 2025 | 0 (not detected) |
| 2024 | 1.2 ppb |
| 2024 | 3.1 ppb |
| 2023 | 4.7 ppb |
| 2023 | 1.9 ppb |
| 2022 | 1.9 ppb |
| 2022 | 0 (not detected) |
| 2021 | 1.9 ppb |
| 2020 | 2.7 ppb |
| 2020 | 0 (not detected) |
| 2019 | 2 ppb |
| 2019 | 0 (not detected) |
| 2018 | 1.8 ppb |
| 2018 | 1.2 ppb |
| 2016 | 0 (not detected) |
| 2016 | 1.1 ppb |
| 2016 | 1.2 ppb |
How Fcwwd 37/Mile High 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. Fcwwd 37/Mile High's reported as 0 (not detected) sits at the 20th percentile in California and the 11th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
99 other systems share Fresno County; 30 of them have a higher latest lead result than Fcwwd 37/Mile High. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Fresno | 545,970 | 0 (not detected) |
| City Of Clovis | 133,118 | 0 (not detected) |
| City Of Sanger | 26,357 | 0 (not detected) |
| Reedley, City Of | 26,076 | 0 (not detected) |
| Cws - Selma | 25,651 | 0 (not detected) |
| Bakman Water Company | 17,393 | 0 (not detected) |
| Coalinga-City | 17,277 | 0 (not detected) |
| Kerman, City Of | 17,256 | 0 (not detected) |
| Pinedale County Water District | 16,736 | 2.9 ppb |
| City Of Parlier | 14,576 | 0 (not detected) |
Your move
Look up your address in Fcwwd 37/Mile High'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 Fcwwd 37/Mile High whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 3400 ppb (copper action level 1,300 ppb).
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. Small systems behave differently: why small systems go over more often.