Grenada-Bogue Basin/Holcomb, MS
Lead detected, under the action levels
Latest 90th-percentile lead: 0.8 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.
Grenada-Bogue Basin/Holcomb at a glance
Grenada-Bogue Basin/Holcomb serves about 1,837 people through 696 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 groundwater, in Grenada County, Mississippi. EPA system ID: MS0220004; phone on file: 662-227-3415. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Grenada-Bogue Basin/Holcomb's lead record
Against the period ending 2022 (0.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Grenada-Bogue Basin/Holcomb is 6.5 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.8 ppb |
| 2022 | 0.5 ppb |
| 2019 | 6.5 ppb |
| 2017 | 2.3 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. Grenada-Bogue Basin/Holcomb's 0.8 ppb sits at the 40th percentile in Mississippi and the 48th nationally (higher means more lead).
Nearby utilities
9 other systems share Grenada County; 4 of them have a higher latest lead result than Grenada-Bogue Basin/Holcomb. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Grenada | 12,762 | 0.8 ppb |
| G T & Y Water District Inc | 3,907 | 0.9 ppb |
| Poor House W/A #1 | 2,806 | 0.29 ppb |
| Grenada Co W/S-Girl Scout | 2,410 | 0.8 ppb |
| Grenada Ind Pk & Airport Water | 1,991 | 2.9 ppb |
| Grenada Co W/S-Mondy Rd/Elliot | 1,964 | 0.6 ppb |
| Grenada-Bogue Basin/Gore Sprgs | 1,832 | 2.1 ppb |
| Poor House W/A #2 | 678 | 0.64 ppb |
| Youngs W/S Dist #1-Dividing R | 388 | 0.9 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Grenada, 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 Grenada-Bogue Basin/Holcomb 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.