Civic Intelligence

Tennessee Weed Science Society

EIN 26-3299598 • 501(c)3 • Knoxville, TN

Profile

The primary purpose of the organization is to promote and advance weed science issues (control of unwanted plant pests) in the state of tennessee.

PO Box 53141Knoxville, TN 37950

www.tnwss.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

60th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2025

Liabilities / Revenue

62nd percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2025

Net Margin

36th percentile

-5.1%

Higher net margin than 36% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Top Officer Pay

81st percentile

$0

Higher top officer pay than 81% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2025

Asset Growth

40th percentile

-10.0%

Faster asset growth than 40% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

61st percentile

7.3%

Faster revenue growth than 61% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets60th percentile

Assets

Down

$36,738

Down $4,060 (-10.0%) from 2024

Liabilities

$0

No earlier filing loaded for comparison.

Net Assets

Down

$36,738

Down $4,060 (-10.0%) from 2024

Operations
Liabilities / Revenue62nd percentileNet Margin36th percentile

Revenue

Up

$79,950

Up $5,450 (+7.3%) from 2024

Expenses

Up

$84,010

Up $42,066 (+100%) from 2024

Net Income

Down

-$4,060

Down $36,616 (-112%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth40th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$60K$40K$20K$0Assets 2016: $16,287Net Assets 2016: $25,2872016Assets 2017: $16,619Net Assets 2017: $16,6192017Assets 2018: $24,408Net Assets 2018: $24,4082018Assets 2019: $21,833Net Assets 2019: $21,8332019Assets 2020: $15,005Net Assets 2020: $15,0052020Assets 2021: $22,077Net Assets 2021: $22,0762021Assets 2022: $16,157Net Assets 2022: $16,0082022Assets 2023: $8,242Net Assets 2023: $8,2402023Assets 2024: $40,798Net Assets 2024: $40,7982024Assets 2025: $36,738Liabilities 2025: $0Net Assets 2025: $36,7382025

Highlighted filing

2025

Assets$36,738
Liabilities$0
Net Assets$36,738
Open 2025 Filing

Operations Trend

Revenue Growth61st percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$100K$50K$0-$50KRevenue 2016: $51,814Expenses 2016: $58,738Net Income 2016: -$6,9242016Revenue 2017: $94,289Expenses 2017: $93,957Net Income 2017: $3322017Revenue 2018: $66,503Expenses 2018: $58,714Net Income 2018: $7,7892018Revenue 2019: $75,258Expenses 2019: $77,833Net Income 2019: -$2,5752019Revenue 2020: $50,728Expenses 2020: $57,556Net Income 2020: -$6,8282020Revenue 2021: $56,700Expenses 2021: $49,629Net Income 2021: $7,0712021Revenue 2022: $40,500Expenses 2022: $46,569Net Income 2022: -$6,0692022Revenue 2023: $33,700Expenses 2023: $41,617Net Income 2023: -$7,9172023Revenue 2024: $74,500Expenses 2024: $41,944Net Income 2024: $32,5562024Revenue 2025: $79,950Expenses 2025: $84,010Net Income 2025: -$4,0602025

Highlighted filing

2025

Revenue$79,950
Expenses$84,010
Net Income-$4,060
Open 2025 Filing

Filings

Most recent year

2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$36,738
Liabilities
$0
Net assets
$36,738
Revenue
$79,950
Expenses
$84,010
Net income
-$4,060
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$36.7$0.00$36.7$80.0$84.0$4.06
2024Detailed filing. Detailed filing data is available for this year.$40.8$40.8$74.5$41.9$32.6
2023Detailed filing. Detailed filing data is available for this year.$8.24$8.24$33.7$41.6$7.92
2022Detailed filing. Detailed filing data is available for this year.$16.2$16.0$40.5$46.6$6.07
2021Detailed filing. Detailed filing data is available for this year.$22.1$22.1$56.7$49.6$7.07
2020Detailed filing. Detailed filing data is available for this year.$15.0$15.0$50.7$57.6$6.83
2019Detailed filing. Detailed filing data is available for this year.$21.8$21.8$75.3$77.8$2.58
2018Detailed filing. Detailed filing data is available for this year.$24.4$24.4$66.5$58.7$7.79
2017Detailed filing. Detailed filing data is available for this year.$16.6$16.6$94.3$94.0$0.33
2016Detailed filing. Detailed filing data is available for this year.$16.3$25.3$51.8$58.7$6.92
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Dec 31, 2025
Signed
Mar 1, 2026
Return Version
2025v4.0
Gross Receipts
$79,950
Mission and Program Overview

Mission

The primary purpose of the organization is to promote and advance weed science issues (control of unwanted plant pests) in the state of tennessee.

Program Services

DescriptionGrantsExpenses
TO SUPPORT WEED SCIENCE EFFORTS IN THE STATE OF TENNESSEE WITH RESPECT TO RESEARCH, EXTENSION/OUTREACH, AND TEACHING FUNCTIONS. THIS INCLUDES PURCHASE OF EQUIPMENT THAT ENABLES WEED SCIENCE FACULTY AND STAFF TO CONDUCT RESEARCH MORE EFFECTIVELY AND EXAMINE THE ENVIRONMENTAL FATE OF HERBICIDES UNDER FIELD CONDITIONS AS TO FINAL PATHWAYS IN AIR, WATER, AND SOIL.$69,000$68,816
GRADUATE STUDENT TRAINING IS A CORE MISSION OF TNWSS, AND SEVERAL ACTIVITIES WERE HELD OVER THE COURSE OF THE YEAR TO HELP RECRUIT, TRAIN, AND ENHANCE THE EXPERIENCE OF WEED SCIENCE STUDENTS IN THE STATE OF TENNESSEE AND THE SOUTHERN REGION.$10,950$15,194
A MAJOR INITIATIVE OF THE TNWSS IS AN EDUCATIONAL SHORT COURSE HELD PERIODICALLY, WHICH BRINGS IN NATIONALLY KNOWN SPEAKERS TO LECTURE ON WEED SCIENCE TOPICS, INCLUDING HERBICIDE MODE OF ACTION AND WEED RESISTANCE TO THOSE HERBICIDES. THE SECOND COURSE WAS HELD IN 2017 AND APPROXIMATELY 26 INDIVIDUALS ATTENDED THE COURSE. THE THIRD EVENT WAS HELD IN 2019 WITH APPROXIMATELY 27 INDIVIDUALS IN ATTENDANCE. THE 2021 EVENT WAS POSTPONED DUE TO THE COVID PANDEMIC.-$0
Compensation and Service Providers
Top Officer Pay81st percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
TOM MUELLERPresident-$0--
LARRY STECKELSecretary-$0--
BOB HAYESDirector-$0--
CHRIS MAINDirector-$0--
Filing and Contact Details

Filer

Filer Name
Tennessee Weed Science Society
EIN
26-3299598
In Care Of
% THOMAS MUELLER
Phone
8659748805
Address
PO BOX 53141, Knoxville, TN 37950

Signing Officer

Name
Thomas Mueller
Title
President
Phone
8659748805
Signed
2026-03-01
Discuss with paid preparer
Yes

Preparer

Firm
Hrb Tax Group Inc
Address
11554 KINGSTON PIKE, FARRAGUT, TN 37934
Preparer
Ann Snodgrass
Phone
8656751040
Raw XML Appendix129 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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