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Septic Tank Requirements by State

Each state has unique septic system regulations. Select your state below to view specific tank size requirements, permit information, and contact details for your local health department.

AL

Alabama

Permit Req.

AK

Alaska

Permit Req.

AZ

Arizona

Permit Req.

AR

Arkansas

Permit Req.

CA

California

Permit Req.

CO

Colorado

Permit Req.

CT

Connecticut

Permit Req.

DE

Delaware

Permit Req.

FL

Florida

Permit Req.

GA

Georgia

Permit Req.

HI

Hawaii

Permit Req.

ID

Idaho

Permit Req.

IL

Illinois

Permit Req.

IN

Indiana

Permit Req.

IA

Iowa

Permit Req.

KS

Kansas

Permit Req.

KY

Kentucky

Permit Req.

LA

Louisiana

Permit Req.

ME

Maine

Permit Req.

MD

Maryland

Permit Req.

MA

Massachusetts

Permit Req.

MI

Michigan

Permit Req.

MN

Minnesota

Permit Req.

MS

Mississippi

Permit Req.

MO

Missouri

Permit Req.

MT

Montana

Permit Req.

NE

Nebraska

Permit Req.

NV

Nevada

Permit Req.

NH

New Hampshire

Permit Req.

NJ

New Jersey

Permit Req.

NM

New Mexico

Permit Req.

NY

New York

Permit Req.

NC

North Carolina

Permit Req.

ND

North Dakota

Permit Req.

OH

Ohio

Permit Req.

OK

Oklahoma

Permit Req.

OR

Oregon

Permit Req.

PA

Pennsylvania

Permit Req.

RI

Rhode Island

Permit Req.

SC

South Carolina

Permit Req.

SD

South Dakota

Permit Req.

TN

Tennessee

Permit Req.

TX

Texas

Permit Req.

UT

Utah

Permit Req.

VT

Vermont

Permit Req.

VA

Virginia

Permit Req.

WA

Washington

Permit Req.

WV

West Virginia

Permit Req.

WI

Wisconsin

Permit Req.

WY

Wyoming

Permit Req.

Need Help Finding Your State Requirements?

If you're unsure about your state's requirements, use our calculator to get personalized recommendations based on your location and home specifications.

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Disclaimer: This calculator provides estimates only and should not be used as the sole basis for septic system design. Always consult with licensed septic professionals and local health department officials before installing or modifying a septic system. Local codes may have stricter requirements than state minimums.

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