Aspc Yuma, AZ
Lead detected, under the action levels
Latest 90th-percentile lead: 0.93 ppb (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. 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 Aspc Yuma
Aspc Yuma serves about 4,197 people through 40 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by the state and draws groundwater, in Yuma County, Arizona. EPA system ID: AZ0414099; phone on file: 928-627-8871. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Aspc Yuma's lead record
That is down 4.27 ppb from 5.2 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Aspc Yuma is 6.8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0.93 ppb |
| 2020 | 5.2 ppb |
| 2017 | 6.8 ppb |
| 2016 | 5.6 ppb |
Where this result ranks
Of the 730 Arizona systems with a lead result, the median latest reading is 0 ppb; 9 are over 15 ppb right now and 58 have gone over at some point. Aspc Yuma's 0.93 ppb sits at the 74th percentile in Arizona and the 50th nationally (higher means more lead).
Neighbouring systems
18 other systems share Yuma County; 6 of them have a higher latest lead result than Aspc Yuma. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Yuma | 103,264 | 1.1 ppb |
| San Luis City Of | 39,705 | 1 ppb |
| Foothills Water And Sewer Llc | 32,425 | 0 (not detected) |
| Somerton City Of | 14,197 | 1 ppb |
| Usmc Yuma Main System | 8,353 | 3 ppb |
| Wellton Town Of | 3,000 | 0.52 ppb |
| Howard Cantonment Area | 1,500 | 1.1 ppb |
| Sierra Pacific Mobile Manor | 816 | 0.54 ppb |
| Tacna Water Improvement District | 500 | 0 (not detected) |
| Shepard Water Company | 430 | 5.3 ppb |
Your move
Test your own tap with a certified lab first-draw sample; San Luis, AZ 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 Aspc Yuma 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. Size matters more than most people expect: small vs large water systems.