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Best Septic Inspection in Ottawa, IL

Compare 11 local septic inspection providers in Ottawa, IL. Verified listings with real contact info.

11 verified providers · Updated 2026-04-21

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1

Thrush Sanitation Service

4.3 ★ (22 reviews)

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2

Vermillion Septic And Excavating LLC

5.0 ★ (2 reviews)

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3

K & M Septic Service

5.0 ★ (3 reviews)

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1

Thrush Sanitation Service

4.3 (22 reviews)
1000 Evans St, Ottawa, IL 61350
Mon–Thu 7am–4:30pm · Fri 7am–3:30pm · Sat–Sun Closed
2

Vermillion Septic And Excavating LLC

5.0 (2 reviews)
2201 IL-178, Tonica, IL 61370
Open 24 Hours
3

K & M Septic Service

5.0 (3 reviews)
663 River Dr, Seneca, IL 61360
Mon–Fri 7am–4pm · Sat–Sun Closed
4

Prairie State Water Systems Inc.

4.9 (55 reviews)
3281 E 28th Rd, Marseilles, IL 61341
Open 24 Hours
5

Dave's Septic Services

5.0 (39 reviews)
1146 N 43rd Rd, Earlville, IL 60518
Open 24 Hours
6

Ben Thrall Excavating

5.0 (8 reviews)
Newark, IL 60541, USA
7

Area Wide Septic Service - AWSS Inc

5.0 (4 reviews)
32956 2100 N Ave, Arlington, IL 61312
Mon–Fri 9am–4pm · Sat–Sun Closed
8

Zeiter's Septics Inc. Tank Cleaning & Septic Systems

4.9 (159 reviews)
2400 N. IL. Rt, 2400 IL 47, MORRIS
Mon–Thu 7am–4pm · Fri 7am–3pm · Sat–Sun Closed
9

Holley Septic Pumping Service

5.0 (47 reviews)
2840 N 48th Rd, Sandwich, IL 60548
Mon–Fri 6am–6pm · Sat 6:30am–1pm · Sun 8am–12:30pm
10

Premier Sewer & Septic Service

4.9 (209 reviews)
2245 Griswold Springs Rd, Sandwich, IL 60548
Mon–Fri 7am–4pm · Sat–Sun Closed
11

Bob's Septic Pumping Service

4.0 (12 reviews)
C, 109 E Hydraulic Ave, YORKVILLE
Mon–Fri 8am–3pm · Sat–Sun Closed

Frequently Asked Questions

What does a septic inspection include in Illinois?

A thorough septic inspection includes locating and uncovering the tank, pumping it to inspect the interior, checking inlet and outlet baffles, measuring scum and sludge layers, evaluating the drain field for signs of failure, and testing system flow. Many municipalities require a specific inspection form to be submitted to the local board of health.

Is a septic inspection required when selling a home in Illinois?

Many municipalities require a septic inspection and Certificate of Compliance before a property with a private septic system can be sold. Requirements vary significantly by town and jurisdiction. Contact your local board of health for specific requirements in your municipality.

How much does a septic inspection cost in Illinois?

A basic septic inspection typically costs $350 to $600, including pumping the tank. More comprehensive inspections that include dye testing or camera inspection of lines may cost $600 to $1,000. Municipal inspection fees are separate and vary by location.

Who can perform a septic inspection in Illinois?

Septic inspections may be performed by licensed septic contractors, Licensed Private Sewage Disposal Contractors (77 Ill. Adm. Code 905), or municipal health inspectors. For property transactions, your municipality may require a specific inspector type or approval process through the local board of health.

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