Dallas County Water & Sewer Authority, AL
Lead detected, under the action levels
Latest 90th-percentile lead: 1.3 ppb (monitoring period 2024-2026). 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 Dallas County Water & Sewer Authority
Dallas County Water & Sewer Authority serves about 4,152 people through 1,384 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 Dallas County, Alabama. EPA system ID: AL0000463; phone on file: 334-872-2820. They can tell you what your service line is made of and whether they pay to replace it.
Dallas County Water & Sewer Authority's lead record
Against the period ending 2020 (1.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Dallas County Water & Sewer Authority is 5 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.3 ppb |
| 2020 | 1.5 ppb |
| 2017 | 5 ppb |
How Dallas County Water & Sewer Authority compares
Of the 542 Alabama systems with a lead result, the median latest reading is 0 ppb; 1 are over 15 ppb right now and 11 have gone over at some point. Dallas County Water & Sewer Authority's 1.3 ppb sits at the 75th percentile in Alabama and the 61st nationally (higher means more lead).
Nearby utilities
5 other systems share Dallas County; 1 of them has a higher latest lead result than Dallas County Water & Sewer Authority. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Selma, The Ww And Sb Of The City Of | 21,834 | 0 (not detected) |
| North Dallas County Water Authority | 8,838 | 0.1 ppb |
| West Dallas Water Authority | 3,747 | 0 (not detected) |
| South Dallas Water Authority | 3,504 | 5.1 ppb |
| Orrville Water Department, Town Of | 435 | 0 (not detected) |
Next steps for Selma, AL
Test your own tap with a certified lab first-draw sample; Selma, AL 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 Dallas County Water & Sewer Authority 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. Systems that went over once often dip back under; here is what that means.