Green Forest 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.
Who runs the water here
Green Forest Waterworks serves about 6,265 people through 2,534 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 Carroll County, Arkansas. EPA system ID: AR0000077; phone on file: 501-438-6023. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2020 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Green Forest Waterworks is 3 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2020 | 2 ppb |
| 2020 | 2 ppb |
| 2019 | 1 ppb |
| 2019 | 3 ppb |
| 2019 | 3 ppb |
| 2016 | 3 ppb |
How Green Forest Waterworks compares
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. Green Forest Waterworks's 1 ppb sits at the 29th percentile in Arkansas and the 55th nationally (higher means more lead).
Nearby utilities
16 other systems share Carroll County; 4 of them have a higher latest lead result than Green Forest 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 |
| Eureka Springs Waterworks | 4,053 | 7 ppb |
| Holiday Island Waterworks | 2,446 | 1 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 | - |
What to do in your house
Test your own tap with a certified lab first-draw sample; Green Forest, 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 Green Forest 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. 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.