Can you drill a well without a permit in Mississippi?

Exempt — no permit or water right. Even amid severe Delta aquifer decline there is NO moratorium or closure on new domestic wells; a single-household well (or <6-inch casing) is exempt regardless of volume. Non-domestic/irrigation wells need an MDEQ permit (administered in the Delta via YMD).

Which Mississippi counties have groundwater restrictions?

17 Mississippi counties sit in a managed, over-appropriated, adjudicated, or critically overdrafted groundwater basin — including Bolivar County, Carroll County, Coahoma County, DeSoto County, Holmes County. Each county profile cites the specific basin and rule.

Mississippi · off-grid water rights

Water rights in Mississippi

Q: Which Mississippi counties have groundwater restrictions?

17 Mississippi counties sit in a managed, over-appropriated, adjudicated, or critically overdrafted groundwater basin — including Bolivar County, Carroll County, Coahoma County, DeSoto County, Holmes County. Each county profile cites the specific basin and rule.

Whether a new off-grid home can legally get its own water in Mississippi: the state well and water-rights rules, then the 17 counties where a specific groundwater basin adds a catch — each cited to the state water agency.

Mississippi water rules

Household well
Exempt — no permit or water right
Even amid severe Delta aquifer decline there is NO moratorium or closure on new domestic wells; a single-household well (or <6-inch casing) is exempt regardless of volume. Non-domestic/irrigation wells need an MDEQ permit (administered in the Delta via YMD).
Limit: single-household wells exempt from the withdrawal permit
Mississippi Rule 11-7-1.4 Groundwater Withdrawals ↗
Greywater reuse
none
No residential greywater provision; treated as wastewater.
Greywater Action / EPA REUSExplorer ↗
Rainwater harvesting
unrestricted
No state restrictions.
NCSL ↗
Water rights
regulated riparian
Statutory permit system (water declared public); domestic exempt.
National Agricultural Law Center ↗

17 constrained counties in Mississippi

Over-appropriatedBolivar CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)58
Over-appropriatedCarroll CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)74
Over-appropriatedCoahoma CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)57
Over-appropriatedDeSoto CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)41
Over-appropriatedHolmes CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)69
Over-appropriatedHumphreys CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)65
Over-appropriatedIssaquena CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)58
Over-appropriatedLeflore CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)63
Over-appropriatedPanola CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)57
Over-appropriatedQuitman CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)60
Over-appropriatedSharkey CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)67
Over-appropriatedSunflower CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)63
Over-appropriatedTallahatchie CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)71
Over-appropriatedTate CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)55
Over-appropriatedTunica CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)54
Over-appropriatedWashington CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)54
Over-appropriatedYazoo CountyMississippi Delta — MRVA alluvial aquifer (Yazoo-Mississippi Delta district)60

The Bolthole Index Letter

One email a week: the best counties to live off-grid, rule changes that matter, and Mississippi water-rule changes as basins close. No spam, unsubscribe anytime.

Keep exploring Mississippi

See the full Mississippi county ranking, compare states on the water-rights hub, or read how water access is scored. Physical water is dimmed — never erased — where a county sits in one of these basins, household-first.

General guidance, not legal advice. Off-grid, building, and land-use rules are often set at the county level and change often. Verify with your county and state before acting. Data reviewed 2026-06-26.