City Of Horn Lake, MS
Lead detected, under the action levels
Latest 90th-percentile lead: 1.2 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.
City Of Horn Lake at a glance
City Of Horn Lake serves about 13,649 people through 5,394 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 groundwater, in Desoto County, Mississippi. EPA system ID: MS0170022; phone on file: 662-393-6178. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 1.2 ppb from 0 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for City Of Horn Lake is 1.8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.2 ppb |
| 2021 | 0 (not detected) |
| 2018 | 1.8 ppb |
| 2016 | 1 ppb |
Where this result ranks
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. City Of Horn Lake's 1.2 ppb sits at the 60th percentile in Mississippi and the 59th nationally (higher means more lead).
Other water systems in Desoto County
17 other systems share Desoto County; 4 of them have a higher latest lead result than City Of Horn Lake. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Southaven | 56,000 | 0 (not detected) |
| City Of Olive Branch | 54,025 | 0.9 ppb |
| City Of Hernando | 14,457 | 1.2 ppb |
| Horn Lake Water Association | 12,735 | 0 (not detected) |
| Lewisburg Water Association | 9,390 | 1.8 ppb |
| Walls Water Assn- Lake Forest | 9,298 | 0.7 ppb |
| City Of Hernando-Jaybird | 6,750 | 1.9 ppb |
| Nesbit Water Association | 5,988 | 1.1 ppb |
| Eudora Utilities Association | 3,749 | 0.8 ppb |
| Walls Water Association | 2,999 | 0.6 ppb |
Next steps for Horn Lake, MS
Test your own tap with a certified lab first-draw sample; Horn Lake, 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 City Of Horn 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.