Employment
32,666
Total employees (Census CBP)
Administrative and Support and Waste Management ·NAICS 562991
NAICS 562991 · IRS SOI (C corp) · Census CBP 2023
Septic Tank and Related Services - Industry Benchmarks
$61,338/yr average annual pay, with 358 SBA loans on record for NAICS 562991.
- 3.9%
- Administrative and Support and Waste Management sector margin
- 33K
- Workers employed
- $61,338/yr
- Avg payroll / employee
- $167M
- SBA lending, FY20–26
Data updated August 2026
The verdict · NAICS 562991
California leads Septic Tank and Related Services activity nationally. IRS SOI doesn't publish margin data at this NAICS level, but the broader Administrative and Support and Waste Management sector runs a 3.9% net margin.
- 3.9%
- Administrative and Support and Waste Management sector margin (IRS SOI)
- 33K
- Workers employed (Census CBP)
- $61,338/yr
- Avg payroll / employee
- $167M
- SBA lending, FY20–26
Use Septic Tank and Related Services's NAICS benchmark as a comparison point, not a forecast for one business.
Septic Tank and Related Services is reported here with financial measures from IRS Statistics of Income and workforce measures from Census County Business Patterns. The page keeps those source systems distinct, shows unavailable fields rather than estimating them, and links the underlying industry context so readers can compare the same NAICS activity before interpreting a margin or payroll figure.
Source: IRS SOI (C corporation headline) and Census County Business Patterns 2023
Benchmarking Insights for Septic Tank and Related Services
Septic Tank and Related Services sits inside Administrative and Support and Waste Management, a sector that runs a 3.9% net margin overall.
4,054 establishments employ 32,666 workers (8.1/location) at $61,338/yr average annual pay. California leads employment, followed by Texas and Florida.
Septic Tank and Related Services sits in the 44th percentile for employment among 6-digit NAICS industries with reported data.
Avg Payroll / Employee
$61,338/yr
Annual compensation
Establishments
4,054
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment increased by 677; establishment count increased by 57. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Subscribe to this industry's release updates (RSS)Workforce scale
Financial Detail
- Annual Payroll (Total)
- $2.0B
- Avg Employees per Establishment
- 8.1
Top States by Employment
| State | Employment |
|---|---|
| California | 4,107 |
| Texas | 3,204 |
| Florida | 2,236 |
| Pennsylvania | 1,629 |
| New York | 1,470 |
| Washington | 1,296 |
| New Jersey | 1,260 |
| North Carolina | 969 |
| Ohio | 933 |
| Virginia | 927 |
Showing top 10 of 50 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
358
Total Loan Volume
$167M
Avg Loan Size
$466K
Jobs Supported
2,338
Program Breakdown
7(a) 345 (96%)
504 13 (4%)
Top SBA Lender
The Huntington National Bank
21 loans in this industry
New Business Share
28.8% of borrowers were new/startup businesses
Annual Lending Trend (7 yrs)
2020 35
2021 62
2022 57
2023 65
2024 60
2025 68
2026 11
Frequently Asked Questions
How profitable is Septic Tank and Related Services?
IRS SOI doesn't publish margin data at the NAICS 562991 level. California leads this industry nationally. The broader Administrative and Support and Waste Management sector runs a 3.9% net margin (IRS SOI 2013 C corp).
How many businesses are in Septic Tank and Related Services?
4,054 business establishments. Together they employ 32,666 workers.
What is the average payroll per employee in Septic Tank and Related Services?
$61,338/yr average annual pay per employee. Businesses average 8.1 employees per establishment.
Which states have the most Septic Tank and Related Services employment?
California leads with 4,107 workers. Texas (3,204) and Florida (2,236) round out the top three.
How much SBA lending does Septic Tank and Related Services receive?
Septic Tank and Related Services businesses received 358 SBA loans totaling $167 million between FY2020 and FY2026. The average loan size was $466K. These loans supported 2,338 jobs at origination. Most lending (96%) came through the SBA 7(a) program.
Nationwide industries with similar benchmark drivers
Two IRS/Census peer sets for Septic Tank and Related Services, both at NAICS level 6 and excluding this code so the neighborhoods are not self-links.
According to Census County Business Patterns 2023, Septic Tank and Related Services ranks #450 of 801 U.S. industries at the 6-digit NAICS level by total employment.
Similar workforce scale
Nearest peer industries by ABS(Census employment) (32,666 here).
Read with this industry: Industry employment trends · Administrative and Support and Waste Management · Rankings
Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.
Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023
NAICS 562991 · CBP 2023 · IRS SOI
According to the U.S. Census Bureau, which released its 2023 County Business Patterns dataset in June 2025, PlainBizBench benchmarks 2,002 U.S. industries against Internal Revenue Service Statistics of Income data. See our methodology for the full compilation process.
Read our methodology - how this data is sourced, computed, and verified.
Source: U.S. Census Bureau, County Business Patterns / SUSB Industry employment scale, payroll, and firm-size benchmarks · 2023
Every figure on PlainBizBench is rendered directly from federal source data, no number is typed in by an editor. This page aggregates profit-margin, payroll, entity-type, and SBA-lending benchmarks for this industry, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.
Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.