Garvin Co Rwd #6 (Sw Purchase), OK
Lead detected, under the action levels
Latest 90th-percentile lead: 2.05 ppb (monitoring period 2026-2026). 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.
Who runs the water here
Garvin Co Rwd #6 (Sw Purchase) serves about 862 people through 475 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 surface water, in Garvin County, Oklahoma. EPA system ID: OK3002515; phone on file: 405-665-4436. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Garvin Co Rwd #6 (Sw Purchase)'s lead record
That is down 1.96 ppb from 4.01 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Garvin Co Rwd #6 (Sw Purchase) is 4.01 ppb across 14 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2.05 ppb |
| 2025 | 4.01 ppb |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2017 | 0 (not detected) |
| 2016 | 0 (not detected) |
| 2016 | 0 (not detected) |
Against other Oklahoma systems
Of the 870 Oklahoma systems with a lead result, the median latest reading is 0.81 ppb; 6 are over 15 ppb right now and 66 have gone over at some point. Garvin Co Rwd #6 (Sw Purchase)'s 2.05 ppb sits at the 74th percentile in Oklahoma and the 73rd nationally (higher means more lead).
Other water systems in Garvin County
12 other systems share Garvin County; 4 of them have a higher latest lead result than Garvin Co Rwd #6 (Sw Purchase). If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Pauls Valley | 6,256 | 6.25 ppb |
| Lindsay Pwa | 2,850 | 0 (not detected) |
| Wynnewood Water & Light | 2,307 | 1.18 ppb |
| Garvin Co Rwd # 6 (Wells) | 1,680 | 6.2 ppb |
| Stratford | 1,575 | 2.15 ppb |
| Garvin Co Rwd #2 | 1,570 | 0 (not detected) |
| Garvin Co Rwd #1 | 1,445 | 1.7 ppb |
| Garvin Co Rwd #4 | 1,340 | 0 (not detected) |
| Maysville | 1,212 | 0 (not detected) |
| Elmore City Rw Corp | 1,107 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Wynnewood, OK 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 Garvin Co Rwd #6 (Sw Purchase) whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 2400 ppb (copper action level 1,300 ppb).
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. Size matters more than most people expect: small vs large water systems.