Prentiss-Alcorn Water Assn, MS
Lead detected, under the action levels
Latest 90th-percentile lead: 0.6 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.
Prentiss-Alcorn Water Assn at a glance
Prentiss-Alcorn Water Assn serves about 2,318 people through 940 service connections, which makes it a small system under EPA's size classes. It is under mixed public and private ownership and draws groundwater, in Alcorn County, Mississippi. EPA system ID: MS0020014; phone on file: 662-720-0068. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2022 (1.2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Prentiss-Alcorn Water Assn is 1.2 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.6 ppb |
| 2022 | 1.2 ppb |
| 2019 | 0.8 ppb |
| 2017 | 1.1 ppb |
How Prentiss-Alcorn Water Assn compares
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. Prentiss-Alcorn Water Assn's 0.6 ppb sits at the 29th percentile in Mississippi and the 45th nationally (higher means more lead).
Neighbouring systems
7 other systems share Alcorn County; 4 of them have a higher latest lead result than Prentiss-Alcorn Water Assn. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Corinth | 15,000 | 0 (not detected) |
| Farmington Water Association | 6,925 | 1.7 ppb |
| Kossuth W/A #3-Pine Mountain | 5,830 | 0.7 ppb |
| Alcorn W/A #1-Indian Springs | 5,456 | 0.6 ppb |
| Alcorn W/A #2-Biggersville | 1,365 | 1.1 ppb |
| Kossuth W/A #2-Bethlehem | 1,245 | 0 (not detected) |
| Town Of Rienzi | 927 | 0.8 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Rienzi, 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 Prentiss-Alcorn Water Assn 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. Systems that went over once often dip back under; here is what that means.