Grounds for Divorce: The court may grant a no-fault divorce upon a showing of irreconcilable differences. The  court may grant a fault divorce upon a finding of any of the following causes:
1. Adultery
2. Extreme cruelty
3. Willful desertion
4. Willful neglect
5. Habitual intemperance
6. Conviction of a felony
[South Dakota Code]

Residency Requirements: " The plaintiff in an action for divorce or separate maintenance must, at the time the action is commenced, be a resident of this state, or be stationed in this state while a member of the armed services, and in order that each party be entitled to the entry of a decree or judgment of divorce or separate maintenance, that residence or military presence must be maintained until the decree is entered.." [South Dakota Code]

South Dakota Child Support Enforcement Service Links and Telephone Numbers
Department of Social Services Child Support Enforcement
Telephone: 605–773–3641 (Also listed by County on website)

South Dakota Child Support Guidelines and Calculator
South Dakota Code Laws Chapter 25-7

South Dakota Child Support Calculator

South Dakota Divorce Forms Online
South Dakota Unified Judicial System Forms

South Dakota Divorce Laws
South Dakota Statutes, Title 25

South Dakota Domestic Violence Resource Links and Telephone Numbers
South Dakota Coalition Against Domestic Violence and Sexual Assault
Telephone: 605–945–0869
Toll Free: 800–572–9196

South Dakota Free or Low Cost Legal Services Programs
Dakota Plains Legal Services Inc.
Telephone: 800-658-2297

East River Legal Services
Telephone: 800-952-3015

South Dakota Mediation Centers and Service Links and Telephone Numbers
Midwest Mediation Facilitation
Telephone: 605–339–1972

Nonviolent Alternatives
Telephone: 605–692–3680

Turbak Conflict Resolution Ctr
605–336–7739

South Dakota State and Local Bar Association Lawyer Referral Service Links
South Dakota State Bar

South Dakota State and Local Bar Association Lawyer Referral Service Telephone Numbers
Toll Free: 800–952–2333