Adams Co W/A #4-Kaiser Lake, MS
Lead detected, under the action levels
Latest 90th-percentile lead: 3.8 ppb (monitoring period 2022-2024). 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 Adams Co W/A #4-Kaiser Lake
Adams Co W/A #4-Kaiser Lake serves about 8,078 people through 3,060 service connections, which makes it a medium-sized system under EPA's size classes. It is under mixed public and private ownership and draws groundwater, in Adams County, Mississippi. EPA system ID: MS0010015; phone on file: 601-446-6616. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2021 (2.8 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Adams Co W/A #4-Kaiser Lake is 3.8 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 3.8 ppb |
| 2021 | 2.8 ppb |
| 2018 | 2 ppb |
Against other Mississippi systems
Of the 973 Mississippi systems with a lead result, the median latest reading is 1 ppb; 9 are over 15 ppb right now and 44 have gone over at some point. Adams Co W/A #4-Kaiser Lake's 3.8 ppb sits at the 93rd percentile in Mississippi and the 86th nationally (higher means more lead).
Other water systems in Adams County
3 other systems share Adams County; 1 of them has a higher latest lead result than Adams Co W/A #4-Kaiser Lake. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Natchez | 14,520 | 5.01 ppb |
| Adams Co W/A #2-South | 8,097 | 1.3 ppb |
| Broadmoor Utilities, Inc | 1,185 | 1.5 ppb |
Next steps for Washington, MS
Test your own tap with a certified lab first-draw sample; Washington, MS 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 Adams Co W/A #4-Kaiser Lake 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.