Can you drill a well without a permit in South Carolina?

Exempt — no permit or water right. S.C. Code 49-5-70(A)(4) exempts a person withdrawing groundwater at a single-family residence for noncommercial use; no withdrawal permit for a household well anywhere in SC, including inside a Capacity Use Area.

Which South Carolina counties have groundwater restrictions?

28 South Carolina counties sit in a managed, over-appropriated, adjudicated, or critically overdrafted groundwater basin — including Berkeley County, Charleston County, Dorchester County, Aiken County, Allendale County. Each county profile cites the specific basin and rule.

South Carolina · off-grid water rights

Water rights in South Carolina

Whether a new off-grid home can legally get its own water in South Carolina: the state well and water-rights rules, then the 28 counties where a specific groundwater basin adds a catch — each cited to the state water agency.

South Carolina water rules

Household well
Exempt — no permit or water right
S.C. Code 49-5-70(A)(4) exempts a person withdrawing groundwater at a single-family residence for noncommercial use; no withdrawal permit for a household well anywhere in SC, including inside a Capacity Use Area.
Limit: single-family/household use exempt; permit only >=3 MG/month (~100,000 gpd)
SC Groundwater Use and Reporting Act, S.C. Code 49-5-70(A)(4) ↗
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
Registration + permits in Capacity Use Areas; domestic exempt.
National Agricultural Law Center ↗

28 constrained counties in South Carolina

Over-appropriatedBerkeley CountyTrident Capacity Use Area62
Over-appropriatedCharleston CountyTrident Capacity Use Area51
Over-appropriatedDorchester CountyTrident Capacity Use Area50
Actively managedAiken CountyWestern South Carolina Capacity Use Area57
Actively managedAllendale CountyWestern South Carolina Capacity Use Area59
Actively managedBamberg CountyWestern South Carolina Capacity Use Area62
Actively managedBarnwell CountyWestern South Carolina Capacity Use Area68
Actively managedBeaufort CountyLowcountry Capacity Use Area57
Actively managedCalhoun CountyWestern South Carolina Capacity Use Area59
Actively managedChesterfield CountySantee-Lynches Capacity Use Area58
Actively managedClarendon CountySantee-Lynches Capacity Use Area59
Actively managedColleton CountyLowcountry Capacity Use Area64
Actively managedDarlington CountyPee Dee Capacity Use Area55
Actively managedDillon CountyPee Dee Capacity Use Area54
Actively managedFlorence CountyPee Dee Capacity Use Area61
Actively managedGeorgetown CountyWaccamaw Capacity Use Area68
Actively managedHampton CountyLowcountry Capacity Use Area62
Actively managedHorry CountyWaccamaw Capacity Use Area56
Actively managedJasper CountyLowcountry Capacity Use Area57
Actively managedKershaw CountySantee-Lynches Capacity Use Area56
Actively managedLee CountySantee-Lynches Capacity Use Area56
Actively managedLexington CountyWestern South Carolina Capacity Use Area53
Actively managedMarion CountyPee Dee Capacity Use Area60
Actively managedMarlboro CountyPee Dee Capacity Use Area57
Actively managedOrangeburg CountyWestern South Carolina Capacity Use Area59
Actively managedRichland CountySantee-Lynches Capacity Use Area49
Actively managedSumter CountySantee-Lynches Capacity Use Area58
Actively managedWilliamsburg CountyPee Dee Capacity Use Area67

Keep exploring South Carolina

See the full South Carolina county ranking, compare states on the water-rights hub, or read how we score water access. We dim physical water — 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.