Grand Prairie Bayou 2 Pwa, AR
Lead detected, under the action levels
Latest 90th-percentile lead: 1 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.
About Grand Prairie Bayou 2 Pwa
Grand Prairie Bayou 2 Pwa serves about 13,138 people through 5,255 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Lonoke County, Arkansas. EPA system ID: AR0000734; phone on file: 501-676-2887. 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 2025 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Grand Prairie Bayou 2 Pwa is 3 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 1 ppb |
| 2025 | 1 ppb |
| 2020 | 3 ppb |
| 2019 | 1 ppb |
| 2019 | 3 ppb |
| 2019 | 1 ppb |
| 2016 | 1 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. Grand Prairie Bayou 2 Pwa's 1 ppb sits at the 46th percentile in Arkansas and the 55th nationally (higher means more lead).
Nearby utilities
8 other systems share Lonoke County; 1 of them has a higher latest lead result than Grand Prairie Bayou 2 Pwa. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ward Waterworks | 12,579 | 1 ppb |
| Lonoke Waterworks | 4,277 | 1 ppb |
| Austin Waterworks | 3,600 | 4 ppb |
| Furlow Public Water Authority | 3,138 | - |
| England Waterworks | 3,128 | - |
| Carlisle Waterworks | 2,300 | - |
| Keo Water Works | 388 | - |
| Coy Waterworks | 218 | - |
Next steps for Austin, AR
Test your own tap with a certified lab first-draw sample; Austin, 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 Grand Prairie Bayou 2 Pwa 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.