Holiday Island Waterworks, AR
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2023-2025). 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.
Holiday Island Waterworks at a glance
Holiday Island Waterworks serves about 2,446 people through 1,816 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Carroll County, Arkansas. EPA system ID: AR0000078; phone on file: 479-253-7211. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Holiday Island Waterworks's lead record
Against the period ending 2022 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Holiday Island Waterworks is 5 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2022 | 1 ppb |
| 2019 | 1 ppb |
| 2016 | 5 ppb |
Where this result ranks
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. Holiday Island Waterworks's 1 ppb sits at the 3rd percentile in Arkansas and the 54th nationally (higher means more lead).
Other water systems in Carroll County
16 other systems share Carroll County; 4 of them have a higher latest lead result than Holiday Island Waterworks. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Berryville Waterworks | 6,813 | 2 ppb |
| Green Forest Waterworks | 6,265 | 1 ppb |
| Eureka Springs Waterworks | 4,053 | 7 ppb |
| Oak Grove Water | 485 | - |
| Bluebird Water, Llc | 205 | - |
| Mundell Heights Waterworks | 203 | - |
| Lake Forest Subordinate Dist | 125 | - |
| Grassy Knob Subordinate Sd | 88 | 3 ppb |
| Glen Acres | 68 | - |
| Sylvan Shores Sd Waterworks | 65 | - |
Your move
Test your own tap with a certified lab first-draw sample; Holiday Island, 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 Holiday Island Waterworks 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. The action level is dropping - the 10 ppb rule from 2027.