Blythe - City Of, CA
Lead detected, under the action levels
Latest 90th-percentile lead: 5.5 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.
About Blythe - City Of
Blythe - City Of serves about 9,735 people through 3,380 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Riverside County, California. EPA system ID: CA3310003; phone on file: 760-922-6611. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Blythe - City Of's lead record
That is down 2.1 ppb from 7.6 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Blythe - City Of is 15 ppb across 7 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 5.5 ppb |
| 2024 | 7.6 ppb |
| 2023 | 1.5 ppb |
| 2023 | 2.6 ppb |
| 2022 | 1.2 ppb |
| 2019 | 0 (not detected) |
| 2016 | 15 ppb over 10 |
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. Blythe - City Of's 5.5 ppb sits at the 93rd percentile in California and the 92nd nationally (higher means more lead).
Nearby utilities
92 other systems share Riverside County; 4 of them have a higher latest lead result than Blythe - City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Eastern Municipal Wd | 659,923 | 2.8 ppb |
| Riverside, City Of | 302,776 | 1 ppb |
| Coachella Vwd: Cove Community | 270,000 | 0 (not detected) |
| Elsinore Valley Mwd | 169,455 | 1.3 ppb |
| Corona, City Of | 169,380 | 1.8 ppb |
| Rancho California Water District | 146,147 | 0 (not detected) |
| Jurupa Community Sd | 134,638 | 0 (not detected) |
| Indio Water Authority | 89,137 | 0 (not detected) |
| Western Mwd | 87,955 | 1.3 ppb |
| Desert Water Agency | 75,588 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Blythe, 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 Blythe - City Of whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 2100 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. 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.