Tumbling Shoals Water Assoc, AR
Lead detected, under the action levels
Latest 90th-percentile lead: 1.3 ppb (monitoring period 2026-2028). 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.
Tumbling Shoals Water Assoc at a glance
Tumbling Shoals Water Assoc serves about 6,608 people through 2,632 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 surface water, in Cleburne County, Arkansas. EPA system ID: AR0000579; phone on file: 501-362-8510. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2025 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Tumbling Shoals Water Assoc is 3 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 1.3 ppb |
| 2025 | 1 ppb |
| 2022 | 2 ppb |
| 2019 | 3 ppb |
| 2016 | 3 ppb |
Against other Arkansas systems
Of the 190 Arkansas systems with a lead result, the median latest reading is 1 ppb; 15 are over 15 ppb right now and 19 have gone over at some point. Tumbling Shoals Water Assoc's 1.3 ppb sits at the 63rd percentile in Arkansas and the 61st nationally (higher means more lead).
Nearby utilities
3 other systems share Cleburne County; 1 of them has a higher latest lead result than Tumbling Shoals Water Assoc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Heber Springs Water System | 14,015 | 1.5 ppb |
| Mountain Top Water Association | 9,253 | 1 ppb |
| Wilburn Water Association | 668 | - |
Next steps for Tumbling Shoals, AR
Test your own tap with a certified lab first-draw sample; Tumbling Shoals, AR 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 Tumbling Shoals Water Assoc 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. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.