What is an ACH?
What is an Accountable Community of Health?
An Accountable Community of Health (ACH) is a regional collaboration of healthcare providers, community organizations, and local leaders working together to improve community health and health care access. Rather than focusing solely on medical care, ACHs address the root causes of health disparities—including affordable housing, access to healthy food, and transportation barriers.
The ACH network was formally established in 2015 with funding from a State Innovation Models Round 2 test grant and supportive Washington state legislation in the 2014 session.
SWACH: Advancing Health Equity in Southwest Washington
Southwest Washington Accountable Community of Health (SWACH) serves Clark, Klickitat, and Skamania counties, prioritizing health equity and community-driven health improvement. By partnering with local organizations, amplifying community voices, and advocating for policy change, SWACH works to remove barriers to care and improve health outcomes for all residents.
Collaboration Across Washington’s Health Care System
Washington State is home to nine ACHs, each serving a distinct region. These organizations collaborate to reduce health disparities, strengthen health care systems, and promote community health initiatives. By sharing resources and best practices, ACHs help ensure equitable health care access and support long-term community health solutions.
Get Involved
Working alongside Southwest Washington nonprofits, community-based organizations, and health care providers, SWACH is committed to improving health systems and ensuring better care for all.
Join us in building a healthier Southwest Washington!
Explore out key initiatives
HealthConnect Hub – Connecting individuals to vital community health services.
Equity & Collaborative Impact – Driving health equity and policy change.
Community Health Improvement – Supporting local health care initiatives and partners.
Together, we can create sustainable, community-driven health improvements across Clark, Klickitat, and Skamania counties.
Medicaid Transformation Project (MTP)
The Medicaid Transformation Project (MTP) is Washington State's Section 1115 Medicaid demonstration waiver, a partnership between the Health Care Authority (HCA) and the Centers for Medicare & Medicaid Services (CMS). Through MTP, the state invests in community health programs, payment reform efforts, and health care access improvements—with ACHs playing a central role in these initiatives.
MTP first launched in 2017 as a five-year pilot project to improve Medicaid delivery systems. The program was later renewed as MTP 2.0, expanding support for community health care services, behavioral health integration, and social determinants of health initiatives.
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