Employment
6,989
Total employees (Census CBP)
Utilities ·NAICS 22132
NAICS 22132 · IRS SOI 2023 · Census CBP
Sewage Treatment Facilities - Industry Benchmarks
$73,230/yr average annual pay, with 21 SBA loans on record for NAICS 22132.
- 2.6%
- Utilities sector margin
- 7K
- Workers employed
- $73,230/yr
- Avg payroll / employee
- $16M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 22132
Texas leads Sewage Treatment Facilities activity nationally. IRS SOI doesn't publish margin data at this NAICS level, but the broader Utilities sector runs a 2.6% net margin.
- 2.6%
- Utilities sector margin (IRS SOI)
- 7K
- Workers employed (Census CBP)
- $73,230/yr
- Avg payroll / employee
- $16M
- SBA lending, FY20–26
Benchmarking Insights for Sewage Treatment Facilities
Sewage Treatment Facilities sits inside Utilities, a sector that runs a 2.6% net margin overall.
538 establishments employ 6,989 workers (13.0/location) at $73,230/yr average annual pay. Texas leads employment, followed by Florida and Michigan.
Avg Payroll / Employee
$73,230/yr
Annual compensation
Establishments
538
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment increased by 893; establishment count decreased by 24. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Workforce scale
Financial Detail
- Annual Payroll (Total)
- $511.8M
- Avg Employees per Establishment
- 13.0
Sub-Industries
| Industry | Profit Margin |
|---|---|
| Sewage Treatment Facilities NAICS 221320 | N/A |
Top States by Employment
| State | Employment |
|---|---|
| Texas | 845 |
| Florida | 724 |
| Michigan | 223 |
| California | 188 |
| Louisiana | 181 |
| Illinois | 168 |
| Alabama | 157 |
| New Jersey | 155 |
| Arizona | 71 |
| Delaware | 64 |
Showing top 10 of 39 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
21
Total Loan Volume
$16M
Avg Loan Size
$768K
Jobs Supported
240
Program Breakdown
7(a) 18 (86%)
504 3 (14%)
Top SBA Lender
Wells Fargo Bank National Association
2 loans in this industry
New Business Share
19.0% of borrowers were new/startup businesses
Annual Lending Trend (7 yrs)
2020 3
2021 5
2022 3
2023 2
2024 5
2025 2
2026 1
Frequently Asked Questions
How profitable is Sewage Treatment Facilities?
IRS SOI doesn't publish margin data at the NAICS 22132 level. Texas leads this industry nationally. The broader Utilities sector runs a 2.6% net margin (IRS SOI 2023).
How many businesses are in Sewage Treatment Facilities?
538 business establishments. Together they employ 6,989 workers.
What is the average payroll per employee in Sewage Treatment Facilities?
$73,230/yr average annual pay per employee. Businesses average 13.0 employees per establishment.
Which states have the most Sewage Treatment Facilities employment?
Texas leads with 845 workers. Florida (724) and Michigan (223) round out the top three.
How much SBA lending does Sewage Treatment Facilities receive?
Sewage Treatment Facilities businesses received 21 SBA loans totaling $16 million between FY2020 and FY2026. The average loan size was $768K. These loans supported 240 jobs at origination. Most lending (86%) came through the SBA 7(a) program.
Comparable industry benchmarks
These links are calculated from the current national dataset. They are comparison paths, not recommendations or evidence that businesses operate alike.
How this ranks: Its Census employment total exceeds 5% of that same 551-industry cohort. Calculated by ranking this industry's reported value against every other industry at the same NAICS digit-level, not the whole dataset: comparing a 6-digit detail industry to a 2-digit sector would mix incompatible scales.
Closest workforce scale
Same NAICS detail level, ordered by the smallest difference in reported Census employment.
Benchmarking Sewage Treatment Facilities
- No margin data, check the parent industry. Browse Utilities
- 538 establishments, 6,989 workers. Payroll benchmarks
- 21 SBA loans on record. SBA lending 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 22132 · Data year: 2023
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.