The Deal Sheet
Issue #011 · 2026-03-21
The Small Business Acquisition Newsletter
Industry Deep Dive — Issue #011

Septic & Drain Services: The Unsexy Cash Cow PE Platforms Can't Stop Buying

A complete acquisition playbook — market sizing, valuation benchmarks, deal flow analysis, and 0 real listings evaluated for you this month.

$8.1B
U.S. Market Size
6.7%
CAGR Through 2033
2.5x
Avg. SDE Multiple
150-200/yr
M&A Deals YTD 2025
01 — Market Overview

A Recession-Resistant Cash Machine Hiding in Plain Sight

The 30-Second Takeaway

The U.S. septic services industry is an $8.1 billion market growing at 6.7% annually (IBISWorld 2025), driven by 21% of U.S. households on septic systems, mandatory pumping every 3-5 years, and stricter EPA regulations. Wind River Environmental (Gryphon Investors) has completed 100+ add-ons since 2009, with PE platforms like Stellex Capital and Seekye Capital aggressively consolidating the fragmented 7,700+ operator base. Valuations run 2.5x-3.0x SDE for $500K-$1M revenue mom-and-pops, with platforms paying 3.5x-4.5x EBITDA for scaled operators mixing commercial work. Top performers achieve 55-65% gross margins, converting 32% of revenue to recurring maintenance contracts by targeting residential pumping ($350-$550/job) and premium commercial services ($500-$1,200+). Labor costs ($44K avg wage, 20% turnover) and regulatory complexity (8-16 week state licensing timelines) create moats, while route optimization technology can boost margins 20-30%.

The U.S. market is valued at $8.1 billion (2025-2026 U.S. septic, drain & sewer cleaning services market per IBISWorld), growing at 6.7% CAGR (2020-2025); 4.3% projected (2025-2026) per IBISWorld; broader septic solutions market (products + services) at 7.7% CAGR through 2032 (Coherent Market Insights).

Revenue by Segment
Residential
72%
Commercial
23%
Municipal/Industrial
5%

What's Driving Growth Right Now

Recurring Revenue Model: Mandatory 3-5 year pumping cycles create predictable cash flow; well-managed operators target 32% recurring contract revenue by 2030 (FinancialModelsLab, ServiceTitan)

Rural/Suburban Population Growth: 21% of U.S. households rely on septic systems; Southeast population growth and construction creating geographic hotspots (Curbwaste, IBISWorld)

Regulatory Tightening: EPA reports 10%+ of septic systems non-functional; stricter Clean Water Act and state environmental regs driving professional service demand (Coherent Market Insights, EPA)

Pandemic Hygiene Awareness: Post-COVID sanitation focus sustained demand despite economic slowdowns; renewed cleaning habits maintain strong consumer behavior (IBISWorld)

Infrastructure Aging & Federal Support: Federal infrastructure spending offsetting headwinds; aging suburban/rural septic infrastructure requires increased maintenance (IBISWorld 2025)

02 — Valuation Benchmarks

What Buyers Are Actually Paying

Median owner's discretionary earnings: $425K. Median sale prices have risen to $1.1M.

Valuation Multiples by Business Size
Revenue Band Typical Multiple Metric Notes
$500K-$1M 2.5x-3.0x SDE Mom-and-pop operators; Gray Brothers case study shows 3.0x SDE deals (AcquiringMinds)
$1M-$2M 2.0x-2.5x SDE Small owner-operated; limited systems/processes; founder dependency discount (ServiceTitan)
$2M-$5M 1.8x-2.3x SDE Multi-route operators; recurring revenue base; transition to EBITDA multiples (First Page Sage)
$5M-$10M 1.5x-2.0x SDE Regional platforms with commercial mix; EBITDA standard; premium for growth/recurring contracts (Peak Business Valuation)
$10M+ 4.0x-5.0x EBITDA Platform buyers; strategic/PE acquirers; commercial-weighted portfolios command higher end (First Page Sage)

What Drives Premium Multiples

Factor
Lower Multiple (2.0x–2.5x)
Premium Multiple (4.0x–6.0x)
Recurring contracts generating 30%+ revenue (0.5x-0.8x multiple premium)
Heavy owner dependency; no documented processes or succession plan
Recurring contracts generating 30%+ revenue (0.5x-0.8x multiple premium)
Commercial service mix >25% (2-3x residential pricing power)
Aging equipment fleet requiring $100K+ immediate capex
Commercial service mix >25% (2-3x residential pricing power)
Route density & geographic concentration (fuel/labor efficiency)
Reactive-only revenue (no maintenance contracts or recurring base)
Route density & geographic concentration (fuel/labor efficiency)
Documented 55-65% gross margins with cost controls
Single-county operations with limited expansion runway
Documented 55-65% gross margins with cost controls
Proprietary customer database 15K+ accounts with maintenance history
Compliance gaps: missing state licenses, EPA documentation holes
Proprietary customer database 15K+ accounts with maintenance history
Technology stack: route optimization, automated scheduling, CRM
Customer concentration >20% revenue from top 5 accounts
Technology stack: route optimization, automated scheduling, CRM

The Multiple Arbitrage Play

Buy a $2M-revenue company at 3x SDE (~$900K). Build it to $8M revenue through organic growth and tuck-in acquisitions. Sell at 6–8x EBITDA. That spread between buying multiples and selling multiples is where serious wealth creation happens.

03 — The PE Gold Rush

Why Every Private Equity Firm Wants In

Global M&A activity hit 150-200/yr deals. PE add-on acquisitions surged +15-20%, with PE firms accounting for 25-35%.

Notable PE-Backed Platforms (Active Acquirers)
Platform PE Sponsor Acquisitions Focus
Wind River Environmental Gryphon Investors 100+ since 2009; 8-10 in 2024-2025 (M&S Septic, Fenkner, AA Cut Rate, Hapchuk) Non-hazardous liquid waste, septic pumping, grease trap; Eastern Seaboard consolidation
P3 Services Stellex Capital 6 in 2024 (Forsyth Septic, Schrader, Bob's Backflow, Rolland Reash, Plumbing & Drain, 2 Sons) Plumbing + septic platform; residential, multi-family, light commercial; national footprint
Seekye Capital Fairfax, VA PE firm 3 platform deals 2024 (SES Mid Atlantic, Advantage Septic, Joiner Micro Labs) Wastewater + environmental services + lab capabilities; comprehensive platform integration
Georgia Oak Partners Institutional PE (Source Capital Credit Opportunities IV) Septic Blue 2024 (Atlanta, Charlotte, Raleigh markets) Southeast residential septic consolidation; high-growth metro targeting
M&A Deal Activity (Deals Per Year)
2022
~100 deals
2023
~100 deals
2024
138 deals (+32% YoY)
2025 (H1)
150-200/yr (on pace)
05 — Unit Economics

The Numbers Behind Every Job

Avg. Residential Ticket
$350-$550
Avg. Commercial Ticket
$500-$1,200
Cost Per Truck Roll
$85-$125
Margin by Service Type
Service Type Avg. Ticket Gross Margin Frequency
Residential Pumping $400 60-65% Every 3-5 yrs
Commercial Pumping $850 65-70% Annual-biannual
Emergency Service $600-$1,000 70-75% On-demand
System Inspection $250-$400 75-80% Real estate transactions
Grease Trap Service $300-$600 60-68% Monthly-quarterly
Drain Cleaning $200-$450 65-72% On-demand

Break-Even Analysis

Fixed costs: $180K-$250K/yr (truck payment, insurance, licensing, base labor) /year
Variable cost %: 35-40%
Break-even revenue: $500K-$625K
Revenue per truck to break even: 900-1,200 jobs/yr (3-5 jobs/day per truck)

Industry KPIs

Key Performance Indicators
Metric Industry Benchmark Top Quartile
Gross Margin 55-60% 63-68%
EBITDA Margin 18-25% 28-35%
Jobs per Truck per Day 3-4 5-6
Recurring Revenue % 15-25% 30-40%
Customer Retention 60-70% 75-85%
Revenue per Employee $200K-$240K $250K-$300K
06 — Labor Economics

The Workforce You're Buying Into

$44K
Avg. Wage
7%
Wage Growth YoY
9,000
Open Positions
20%
Turnover Rate
Average Wage by Role
Septic Technician
$40K-$50K
Pump Truck Operator
$42K-$55K
System Inspector
$38K-$52K
Septic Installer
$45K-$65K
Service Manager
$55K-$75K
Critical Demand Moderate Demand Stable

Training Pipeline

Apprenticeships: Limited formal apprenticeships; on-job training dominates industry pathway
Trade School Graduates: Minimal pipeline; <10% enter via vocational programs vs. 90% on-job training
Projected Shortage: Aging workforce; 15-20 year retirement wave; 40% shortage likely by 2032

Labor Strategies for Acquirers

Above-market wages: 10-15% premium compensation, $500-$1K referral bonuses, benefits packages including health insurance, retirement match, paid training, advancement opportunities

On-site skill development: Structured OJT programs, mentorship with senior techs, state certification exam support, hands-on field training for rapid entry, CDL training sponsorship

Workforce retention focus: Flexible scheduling (4-day weeks, rotating on-call), safety investments (PPE, confined space training), equipment allowances, stable year-round work, respectful culture

07 — Geographic Opportunity

Where to Buy

Top Metros Ranked by Opportunity
Rank Metro Demand Competition Pop. Growth Home Value Industry Spend
#1 Atlanta, GA 95/100 Medium 1.9%/yr $348K $185M/yr
#2 Charlotte, NC 92/100 Medium 2.1%/yr $325K $142M/yr
#3 Tampa-St. Pete, FL 90/100 High 1.7%/yr $312K $178M/yr
#4 Nashville, TN 88/100 Medium 1.8%/yr $385K $128M/yr
#5 Raleigh-Durham, NC 87/100 Medium 2.0%/yr $362K $135M/yr
#6 Richmond, VA 85/100 Low 1.2%/yr $298K $92M/yr
#7 Jacksonville, FL 83/100 Medium 1.5%/yr $285K $118M/yr
#8 Baltimore, MD 82/100 Medium 0.4%/yr $335K $145M/yr
#9 Portland, ME 80/100 Low 0.8%/yr $412K $67M/yr
#10 Greenville-Spartanburg, SC 78/100 Low 1.6%/yr $268K $95M/yr

#1 Atlanta, GA: High suburban growth; 28% septic reliance; strong commercial mix

#2 Charlotte, NC: Rapid exurban expansion; 31% septic; newer systems = less legacy issues

#3 Tampa-St. Pete, FL: High water table drives frequent pumping; 24% septic; tourism commercial demand

Regional Trends

Southeast (FL, GA, NC, SC, TN): Fastest population growth (1.5-2.1%/yr); suburban sprawl driving septic demand; PE platform consolidation hot zone; strong commercial mix potential

Mid-Atlantic (VA, MD, PA): Mature markets with aging infrastructure; regulatory tightening drives compliance/upgrade revenue; higher pricing power; Wind River consolidation focus

Northeast (MA, NH, ME, NY): High septic density (30-40% households); affluent customer base supports premium pricing; harsh winters drive emergency revenue; low competition in exurbs

Texas: Austin, Dallas, Houston exurban growth; 18-25% septic reliance; fragmented market; strong commercial construction; licensing complexity creates moat

Markets to Approach with Caution

  • San Francisco Bay Area, CA: Very low septic density (<5%); high labor costs ($75K+ avg wage); regulatory complexity; better opportunities elsewhere
  • New York City, NY: Minimal septic systems; mature municipal sewer infrastructure; high operating costs; limited addressable market
  • Chicago, IL: Low septic reliance (<8%); saturated competitive market; flat population growth; better markets in Southeast
  • Seattle, WA: Limited septic density; high labor costs; regulatory headwinds; better ROI in Southeast/Mid-Atlantic
08 — Regulatory & Licensing

What You Need to Know Before You Buy

Federal Requirements

EPA Biosolids Rule (40 CFR Part 503): Standards for disposal/land application of sewage sludge & septage (Est. cost: $500-$2K/yr)

OSHA Confined Spaces (29 CFR 1910.146): Workplace safety for permit-required confined space entry (tanks, manholes) (Est. cost: $800-$3K/yr)

DOT Hazmat Transportation (49 CFR 100-180): Regulations for transport of hazardous septage; training & vehicle compliance (Est. cost: $1K-$4K/yr)

EPA Clean Water Act & NPDES: Water quality standards for surface discharge systems; monitoring requirements (Est. cost: $300-$1.5K/yr)

OSHA Bloodborne Pathogens (29 CFR 1910.1030): Exposure control plans, PPE, training for workers handling sewage (Est. cost: $400-$1.2K/yr)

State Licensing Matrix

Licensing Requirements by State
State License Type Requirements Transferable? Time to Obtain
CA C-42 Sanitation Contractor 4 yrs experience; Trade & Law/Bus exams; $450 app fee; $15K bond Reciprocal with AZ & NV 60-120 days
FL Registered/Master Septic Tank Contractor 3 yrs exp.; state exam (75% pass); references; $75+$100 fees Limited — state-specific 30-60 days
TX Installer I/II, Site Evaluator TEEX training; Installer I no exp req'd; Installer II 2 yrs; $111 fee No reciprocity 30-45 days
NY Waste Transporter Permit (Part 364) County/local licenses vary; state transporter permit; financial assurance Limited — local jurisdiction specific 30-90 days
PA Licensed Installer (municipal) Varies by municipality; local SEO approval; no state-level license Not transferable — municipal basis 21-60 days
GA Installer & Pumper License Employment w/ certified co.; state exam; varies by county Limited — state-specific 30-60 days
NC Grade II/IV Installer & Inspector 24-hr course; state exam; 3-6 hrs annual continuing education No reciprocity 30-90 days
NJ Licensed Installer (local + state) Engineer design; local/state approval; soil test; local permits Not transferable — local basis 60-120 days
VA Onsite Soil Evaluator & Installer VDH certification; soil science course; field training; exam State-specific; no reciprocity 60-90 days
OH Sewage Treatment System Installer Local health dept approval; installer registration; bond varies Not transferable — county basis 30-60 days

Upcoming Regulatory Changes

  • Florida HB645 Advanced DWTS Permits (Effective: 2025-07-01) — General permits for replacing conventional w/ advanced nutrient-reduction systems; streamlines installation timelines
  • Connecticut Technical Standards Update (Effective: 2026-07-01) — Regulation 19-13-B103 updates delayed from 2025; revised design and soil evaluation standards
  • Nevada Septic Regulations Revision (Effective: 2026-Q1) — Updated design & installation standards in Washoe County; increased inspection requirements
  • OSHA Confined Space Expansion (Effective: 2025-2026) — Enhanced monitoring & air testing requirements for tank entry; increased training documentation

Estimated Annual Compliance Cost

$6K-$15K/yr

05 — Buyer's Playbook

6 Non-Negotiables Before You Write That LOI

1. Recurring Revenue Conversion

Target operators with <20% recurring contracts — low-hanging fruit to upsell existing 15K+ customer bases to maintenance plans, driving predictable cash flow and 0.5x-0.8x valuation uplift

2. Commercial Mix Arbitrage

Residential-heavy operators (75%+ revenue) selling at 2.5x SDE can be repositioned: add commercial sales team, price commercial 2-3x residential ($500-$1,200 tickets), expand margins to 60%+

3. Route Density & Fuel Economics

Acquire competitors in same county to consolidate routes; route optimization software cuts fuel costs 15-25%, increases daily job capacity 20-30%, directly boosting EBITDA margins

4. Technology & Automation Stack

Mom-and-pops run paper dispatch and manual scheduling; implement ServiceTitan/Housecall Pro for automated maintenance reminders, dynamic pricing, digital customer communication — improves margins 10-15%

5. Equipment Leverage & Fleet Optimization

Used vacuum trucks cost $50K-$80K vs. $150K+ new; acquire operators with aging fleets (discount at purchase), finance equipment upgrades via SBA 7(a) at 8-9%, improve service capacity without dilutive equity

6. Regulatory Moat & Licensing Barriers

State licensing timelines (30-120 days) and local permit requirements create competitive moats; acquire licensed operators to enter new markets faster than organic buildout; transferability varies by state

Value Creation Hack: The Service-Agreement Arbitrage

Buy a $1.2M revenue residential-heavy operator at 2.5x SDE ($300K SDE = $750K purchase price). Implement route optimization software ($3K/yr), upsell 500 customers to annual maintenance contracts ($150/yr = $75K recurring revenue at 70% margin = $52K EBITDA add), add one commercial sales rep ($60K cost, generates $200K commercial revenue at 60% margin = $120K gross profit). Year 2 EBITDA jumps to $400K+ (33% margin vs. 25% pre-acquisition). Sell to platform at 4.0x EBITDA in 36 months for $1.6M — 2.1x return plus cash flow. PE platforms will pay the multiple for proven commercial mix and recurring revenue conversion.

10 — Acquisition ROI Scenarios

What's the Return?

Individual SBA Buyer

Purchase Price
$750K
Equity Required
$112K
Year 1 Cash Flow
$78K
5-Year IRR
42%
Financing
SBA 7(a) 90% LTV, 10-yr, 8.5%
Year 3 Cash Flow
$135K
Year 5 Business Value
$1.6M
Assumptions: $1.2M revenue, $300K SDE, 2.5x multiple · Upsell 500 customers to annual contracts ($75K recurring at 70% margin) · Add 1 commercial sales rep ($60K cost, $200K revenue at 60% margin) · Route optimization software cuts fuel costs 20% · Exit Year 5 at 4.0x EBITDA ($400K EBITDA = $1.6M)

PE Add-On (Bolt-On)

Purchase Price
$1.5M
Equity Required
$750K
Year 1 Cash Flow
$220K
5-Year IRR
35%
Financing
Platform debt, 50% equity
Year 3 Cash Flow
$380K
Year 5 Business Value
$2.8M
Assumptions: $2.5M revenue, $625K SDE, 2.4x multiple · Immediate 30% SG&A synergies via shared overhead ($187K savings) · Route consolidation with existing platform trucks (fuel/labor efficiency) · Cross-sell platform services to acquired customer base · Exit embedded in platform sale at 5.5x EBITDA

Strategic Buyer (Roll-Up)

Purchase Price
$3.5M
Equity Required
$1.75M
Year 1 Cash Flow
$525K
5-Year IRR
38%
Financing
50% seller note, 50% equity
Year 3 Cash Flow
$850K
Year 5 Business Value
$7.2M
Assumptions: $5.5M revenue platform, $875K EBITDA, 4.0x multiple · Acquire 3-4 add-ons in same metro at 2.5x SDE (route density) · Centralize dispatch, accounting, fleet management (25% SG&A synergies) · Grow commercial mix from 20% to 35% (margin expansion to 30% EBITDA) · Exit to larger PE platform at 6.0x EBITDA
IRR Sensitivity: Growth Rate vs. Exit Multiple
Growth Rate / Exit Multiple Exit Multiple 3.5x EBITDA 4.0x EBITDA 4.5x EBITDA 5.0x EBITDA
Purchase Multiple 52% IRR 61% IRR 68% IRR 74% IRR
2.0x SDE 38% IRR 47% IRR 54% IRR 61% IRR
2.5x SDE 28% IRR 36% IRR 43% IRR 49% IRR
3.0x SDE 20% IRR 27% IRR 34% IRR 40% IRR
06 — Risks, Tailwinds & Final Take

The Full Picture

Key Risks

Regulatory Compliance & Environmental Liability

EPA, state environmental, and local health codes impose $6K-$15K/yr compliance costs; improper disposal triggers fines and legal exposure; groundwater contamination liability requires robust insurance and documentation

Labor Costs & Workforce Availability

Manual labor-intensive with skilled worker shortages; avg wage $44K, 20% turnover, CDL requirements; aging workforce with 15-20 year retirement wave creates 40% projected shortage by 2032

Commodity Cost Volatility

Waste disposal fees (120% of revenue for new operators per FinancialModelsLab) and fuel costs (85% of revenue initially) highly variable; disposal infrastructure limitations in rural areas increase costs

Pricing Pressure & Competition

Low barriers to entry beyond capital equipment; price is key decision factor for routine maintenance; fragmented market with 7,700+ operators creates local pricing pressure; lack of brand differentiation

Centralized Sewer Expansion

Long-term headwind: new construction with municipal sewer access avoids septic systems; urbanization and public infrastructure investment in developing areas reduce addressable market for standalone systems

Customer Acquisition & Churn

Seasonal demand variation; reactive maintenance culture (customers wait until failure vs. preventive); emergency-driven revenue unpredictability requires strong cash flow management and marketing investment

Tailwinds (Bull Case)

Essential, Non-Deferrable Service

Septic failure creates immediate crisis; recession-proof (customers must pay regardless of economy); mandatory 3-5 year maintenance ensures recurring demand; inelastic demand supports pricing power

High Gross Margins

Well-managed operators achieve 55-65% gross margins; commercial work delivers 2-3x residential pricing; emergency services command surge pricing; recurring contracts lock in predictable high-margin revenue

Consolidation Opportunity

Highly fragmented market (7,700+ providers, mostly $1-2M revenue); significant roll-up thesis with 25-35% SG&A synergy potential via route optimization, centralized dispatch, shared overhead

Adjacent Service Expansion

Existing customer base enables cross-sell to tank inspection, maintenance, construction, grease trap, drain cleaning, emergency response — increases customer lifetime value and margins

Technology & Operational Leverage

Route optimization software improves margins 20-30% via fuel savings and increased job capacity; digital communication and automated reminders drive recurring contract adoption; IoT monitoring emerging

Regulatory Tailwind

Stricter EPA and state standards increase compliance service demand; 10% of systems non-functional creates upgrade/repair opportunities; government infrastructure spending and Clean Water Act enforcement create revenue

The Final Take

Septic services is the ultimate unsexy cash cow — essential, recession-proof, and drowning in PE consolidation capital. With 21% of U.S. households on septic systems requiring mandatory pumping every 3-5 years, you're buying a subscription business disguised as a blue-collar service. The fragmented 7,700+ operator base is ripe for roll-up arbitrage, with platforms like Wind River (100+ add-ons) proving the playbook works.

Sweet spot for individual searchers: $1M-$2M revenue residential operators at 2.0x-2.5x SDE ($400K-$500K purchase price, $100K-$125K equity via SBA 7(a)). Target businesses with <20% recurring revenue and minimal commercial mix — you'll buy at a discount, then convert 500+ existing customers to annual maintenance contracts ($75K-$150K recurring revenue at 70% margin) and add one commercial sales rep to chase $500-$1,200 ticket restaurant/hotel work. Route optimization software ($3K/yr) cuts fuel costs 15-25% and boosts daily job capacity. 36-month exit to PE platform at 3.5x-4.0x EBITDA after proving commercial mix and recurring revenue conversion.

For PE-backed buyers: Build a regional platform via 8-12 add-ons in dense metro corridors (Southeast hot: Atlanta, Charlotte, Raleigh; Mid-Atlantic: Baltimore, Philly). Centralize dispatch, accounting, and fleet management to capture 25-35% SG&A synergies. Target $10M+ revenue platform at 55-60% gross margins and 25-30% EBITDA margins. Integrate adjacent services (grease trap, drain cleaning, plumbing) to increase customer wallet share and exit at 5.0x-6.0x EBITDA to strategic or larger PE fund.

Bottom line: If you can stomach the literal crap, septic services offers recession-proof cash flow, 55-65% gross margins, and a clear PE exit at 3.5x-5.0x EBITDA. The industry is consolidating fast — platforms are paying premiums for recurring revenue and commercial mix. Get in now at 2.0x-2.5x SDE, execute the playbook, and sell to Wind River or Stellex in 3 years. Just don't tell your friends at Thanksgiving what you actually do.

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Sources

IBISWorld - Septic, Drain & Sewer Cleaning Services (2025 Report) · IBISWorld - Portable Toilet Rental & Septic Tank Cleaning (2025 Report) · Coherent Market Insights - Septic Solutions Market (2025-2032) · Credence Research - Septic Solutions Market Analysis · Fortune Business Insights - U.S. Septic Tanks Market Report · Market Research Future - Septic Tanks Market Analysis · First Page Sage - EBITDA Multiples by Industry (2025) · Peak Business Valuation - Small Business Valuation Multiples · FinancialModelsLab - Septic Pumping Owner Income Analysis · ServiceTitan - Septic Tank Business Valuation & Profit Margins · AcquiringMinds - Gray Brothers Septic Case Study (SDE Multiples) · PrivSource - Septic M&A Database (2024-2025 Deals) · Wind River Environmental - Acquisition Press Releases (Gryphon Investors Platform) · Curbwaste - Septic Pumping Business Economics & ROI Analysis · 10xBusinessBroker - Septic Business Valuation Framework · EPA - Onsite Wastewater Treatment System Guidelines · BLS.gov - Occupational Employment and Wage Statistics (May 2024) · U.S. Census Bureau - Housing and Septic System Prevalence Data