
Quick Facts
Founded
Not published
Denomination
RCUS
Service Times
Verify on website
Men's Ministry
Yes
Kids Ministry
Yes
Pastor Credentials
RCUS ordination (Three Forms of Unity subscription required)

10-Point Theological Scorecard
Christology
Is Jesus the only way? (John 14:6)
Heidelberg Catechism Q&A 29–52 and Belgic Confession Articles 18–21 confess orthodox Christology.
Strong
Scripture
Inerrancy affirmed? Final authority?
Belgic Confession Articles 3–7 affirm Scripture's inspiration, sufficiency, and authority.
Strong
Men's Discipleship
Intentional formation for men?
Family worship and catechism instruction emphasized; male headship.
Strong
Soteriology
Faith alone? How is salvation presented?
Three Forms of Unity — monergistic, particular redemption per the Canons of Dort.
Strong
Gender / Biblical Design
Biblical manhood and womanhood by God's design — patriarchal, complementarian, egalitarian, or affirming gender ideology?
RCUS restricts minister, elder, and deacon offices to qualified men only.
Strong
Leadership Structure
Male elders/pastors? Accountability?
Plurality of male elders (consistory) under presbyterial-classical polity.
Strong
Preaching Style
Expository or topical/therapeutic?
Catechetical preaching from the Heidelberg Lord's Day series is standard.
Strong
Mission Clarity
Great Commission central?
Westminster Biblical Missions and NAPARC partnerships.
Strong
Cultural Alignment
DEI/CRT language? Social justice crowding out gospel?
RCUS / Eureka Classis confessional resistance heritage (1934 split from Evangelical and Reformed merger).
Strong
Accountability Structure
Denominational home, elder plurality, or external network — is the pastor answerable to anyone?
Reformed Church in the United States — partners with Heidelberg Theological Seminary (housed at Providence RCUS, Vermillion, SD).
Strong

Assessment
Trinity Reformed Church (RCUS) in Sioux Falls, South Dakota, pastored by Rev. Michael McGee with Associate Pastor Maynard Koerner, is a congregation of the Reformed Church in the United States, partnered with Heidelberg Theological Seminary. It subscribes to the Three Forms of Unity and restricts ordained office to qualified men.
#rcus#german-reformed#three-forms-of-unity#heidelberg-catechism#belgic-confession#canons-of-dort#confessional

Sources & Evidence
Enrichment Notes
Added from RCUS Northern Plains Classis records; Sioux Falls flagship with Heidelberg Seminary tie.
These are the URLs consulted to arrive at this church's scoring. Score-note claims are synthesized from homepage content, denominational directories, and public statements of faith at the time of review. Church websites change frequently; we're progressively adding Internet Archive snapshots to prevent link rot.
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[1] Live source
trinityrcus.org
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[2] Live source
trinityrcus.org/about/leadership
Transparency note: MOOP ratings are researcher judgments about publicly available theological and ecclesial evidence. They are not infallible. If a church's public posture has changed since our review, or if we've mis-read evidence, tell us — we publish corrections.

Last reviewed:
2026-05-16
— Annual review recommended