Lake Arrowhead, MS
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Who runs the water here
Lake Arrowhead serves about 174 people through 65 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Union County, Mississippi. EPA system ID: MS0730010; phone on file: 662-629-1426. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2020 (0.4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Lake Arrowhead is 3 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 0.4 ppb |
| 2019 | 3 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. Lake Arrowhead's reported as 0 (not detected) sits at the 1st percentile in Mississippi and the 14th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
11 other systems share Union County; 11 of them have a higher latest lead result than Lake Arrowhead. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of New Albany | 8,900 | 2.69 ppb |
| Wallerville Water Association | 2,886 | 0.5 ppb |
| Ingomar Water Association | 2,782 | 1.8 ppb |
| Keownville Rural Water Assn | 2,663 | 1.1 ppb |
| Town Of Myrtle | 2,037 | 0.8 ppb |
| Blue Springs W/A | 1,840 | 0.8 ppb |
| Hwy 30 West Water Association | 1,716 | 0.8 ppb |
| Mud Creek Water Association #4 | 1,243 | 0.6 ppb |
| Bethlehem Water Association | 937 | 1 ppb |
| North Haven Water Association | 930 | 3.6 ppb |
Next steps for Hickory Flat, MS
Look up your address in Lake Arrowhead's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Lake Arrowhead 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. Small systems behave differently: why small systems go over more often.