Yellowstone City-County Health Department dba Riverstone Health: Single Audit Reports and Findings
Yellowstone City-County Health Department dba Riverstone Health filed 10 single audits between 2016 and 2025; the most recently observed auditor is KCoe Isom, LLP (2025), and the 2025 report lists 0 findings. Data as of 2026-09-16.
Data as of Sep 16, 2026 · Source: Federal Audit Clearinghouse (public data)
Single audits by year
One row per audit year as the Federal Audit Clearinghouse accepted it. The auditor named is the one observed on that filing; Yellowstone City-County Health Department dba Riverstone Health is recorded in BILLINGS, Montana under EIN 810513538, and the Clearinghouse records it as a local government.
| Audit year | Fiscal year end | Federal expended | Threshold applied | Auditor observed | Findings | MW / SD | FAC report |
|---|---|---|---|---|---|---|---|
| 2025 | 2025-06-30 | $11,959,139 | $750,000 | KCoe Isom, LLP | 0 | — | 2025-06-GSAFAC-0000389790 |
| 2024 | 2024-06-30 | $11,819,024 | $750,000 | KCoe Isom, LLP | 0 | — | 2024-06-GSAFAC-0000348385 |
| 2023 | 2023-06-30 | $12,835,509 | $750,000 | KCoe Isom, LLP | 0 | — | 2023-06-GSAFAC-0000015797 |
| 2022 | 2022-06-30 | $9,917,091 | $750,000 | ANDERSON ZURMUEHLEN & CO., P.C. | 0 | — | 2022-06-CENSUS-0000184558 |
| 2021 | 2021-06-30 | $11,486,855 | $750,000 | ANDERSON ZURMUEHLEN & CO., P.C. | 0 | — | 2021-06-CENSUS-0000184558 |
| 2020 | 2020-06-30 | $8,774,372 | $750,000 | ANDERSON ZURMUEHLEN & CO., P.C. | 0 | — | 2020-06-CENSUS-0000184558 |
| 2019 | 2019-06-30 | $8,068,868 | $750,000 | ANDERSON ZURMUEHLEN & CO., P.C. | 0 | — | 2019-06-CENSUS-0000184558 |
| 2018 | 2018-06-30 | $8,873,871 | $750,000 | ANDERSON ZURMUEHLEN & CO., P.C. | 0 | — | 2018-06-CENSUS-0000184558 |
| 2017 | 2017-06-30 | $8,383,690 | $750,000 | ANDERSON ZURMUEHLEN & CO., P.C. | 0 | — | 2017-06-CENSUS-0000184558 |
| 2016 | 2016-06-30 | $7,315,301 | $750,000 | ANDERSON ZURMUEHLEN & CO., P.C. | 0 | — | 2016-06-CENSUS-0000184558 |
Which federal programs did this organization report?
From the most recent accepted report. "Major" is the designation the auditor made under 2 CFR 200.518, not ours.
| ALN | Program | Expended | Major |
|---|---|---|---|
| 93.224 | HEALTH CENTER PROGRAM (COMMUNITY HEALTH CENTERS, MIGRANT HEALTH CENTERS, HEALTH CARE FOR THE HOMELESS, AND PUBLIC HOUSING PRIMARY CARE) | $3,701,720 | No |
| 93.224 | HEALTH CENTER PROGRAM (COMMUNITY HEALTH CENTERS, MIGRANT HEALTH CENTERS, HEALTH CARE FOR THE HOMELESS, AND PUBLIC HOUSING PRIMARY CARE) | $1,099,458 | No |
| 93.530 | TEACHING HEALTH CENTER GRADUATE MEDICAL EDUCATION PAYMENT | $960,000 | Yes |
| 10.557 | WIC SPECIAL SUPPLEMENTAL NUTRITION PROGRAM FOR WOMEN, INFANTS, AND CHILDREN | $876,658 | Yes |
| 93.268 | IMMUNIZATION COOPERATIVE AGREEMENTS | $756,332 | No |
| 93.268 | IMMUNIZATION COOPERATIVE AGREEMENTS | $749,882 | No |
| 93.530 | TEACHING HEALTH CENTER GRADUATE MEDICAL EDUCATION PAYMENT | $480,000 | Yes |
| 93.870 | MATERNAL, INFANT AND EARLY CHILDHOOD HOME VISITING GRANT | $388,051 | No |
| 93.884 | PRIMARY CARE TRAINING AND ENHANCEMENT | $357,269 | No |
| 93.918 | GRANTS TO PROVIDE OUTPATIENT EARLY INTERVENTION SERVICES WITH RESPECT TO HIV DISEASE | $297,158 | Yes |
| 93.495 | COMMUNITY HEALTH WORKERS FOR PUBLIC HEALTH RESPONSE AND RESILIENT | $257,900 | No |
| 93.069 | PUBLIC HEALTH EMERGENCY PREPAREDNESS | $206,061 | No |
| 93.107 | AREA HEALTH EDUCATION CENTERS | $154,236 | No |
| 93.917 | HIV CARE FORMULA GRANTS | $144,002 | No |
| 93.870 | MATERNAL, INFANT AND EARLY CHILDHOOD HOME VISITING GRANT | $140,335 | No |
| 93.434 | EVERY STUDENT SUCCEEDS ACT/PRESCHOOL DEVELOPMENT GRANTS | $136,867 | No |
| 93.155 | RURAL HEALTH RESEARCH CENTERS | $125,145 | No |
| 93.994 | MATERNAL AND CHILD HEALTH SERVICES BLOCK GRANT TO THE STATES | $119,245 | No |
| 93.074 | HOSPITAL PREPAREDNESS PROGRAM (HPP) AND PUBLIC HEALTH EMERGENCY PREPAREDNESS (PHEP) ALIGNED COOPERATIVE AGREEMENTS | $106,213 | No |
| 93.145 | HIV-RELATED TRAINING AND TECHNICAL ASSISTANCE | $90,443 | No |
| 93.997 | ASSISTED OUTPATIENT TREATMENT | $74,541 | No |
| 93.354 | PUBLIC HEALTH EMERGENCY RESPONSE: COOPERATIVE AGREEMENT FOR EMERGENCY RESPONSE: PUBLIC HEALTH CRISIS RESPONSE | $72,502 | No |
| 93.556 | MARYLEE ALLEN PROMOTING SAFE AND STABLE FAMILIES PROGRAM | $62,261 | No |
| 93.069 | PUBLIC HEALTH EMERGENCY PREPAREDNESS | $61,743 | No |
| 93.788 | OPIOID STR | $57,348 | No |
What findings did the auditor report?
The reference and the requirement letter are the ones the auditor used. The finding text itself is not reproduced here; the FAC report linked above carries it in full.
The most recent report lists no finding.
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How we computed this
Every row comes from the Federal Audit Clearinghouse record named beside it, one report per audit year, with a resubmission superseding the filing it replaces. The auditor is the one named on that filing — it is not a statement about who audits Yellowstone City-County Health Department dba Riverstone Health now. Form 990 figures come from the IRS e-filed return named by its object id. This page exists because the organization filed at least two single audits, or one with a finding.
Cite this page
AuditRadar. “Yellowstone City-County Health Departmen Single Audits.” https://getauditradar.com/single-audits/mt/yellowstone-city-county-health-department-dba-riverstone-health-810513538/. Data as of 2026-09-16.