MissouriSB9142026 Regular SessionSenateWALLET

Modifies provisions relating to sewage regulation

Sponsored By: Kurtis Gregory (Republican)

Signed by Governor

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Bill Overview

Analyzed Economic Effects

3 provisions identified: 0 benefits, 1 costs, 2 mixed.

Septic work permits lose $90 fee cap

Building, making a major change to, or making a major repair to an on-site sewage system requires a construction permit. Applicants must notify the city, county, or state health department, apply, and pay the fee, except where section 701.031 provides otherwise. Cities, counties, or the state health department set application fees. The law removes the former $90 cap in areas where the department enforced standards or registered contractors. Department fee rules must provide reasonable fees, and total fee revenue cannot exceed the cost of administering the sewage law.

New soil rules for home septic systems

Missouri bases septic tank location, tank size, and lateral-line length on soil properties instead of percolation or permeability rates. The state health department sets and administers the standards, considering advice from the Department of Natural Resources. Cities and counties can adopt the standards by ordinance; otherwise, the state health department enforces them. Through December 31, 2026, local or state officials may accept a percolation test when a soil morphology evaluation cannot reasonably be obtained. Acceptance is not guaranteed, and this temporary option ends after that date.

Registration and training for septic professionals

Missouri sets rules for registered professionals who perform required soil morphology evaluations. Eligible groups include department-trained or certified people, professional engineers, qualifying sanitarians and geologists, and soil scientists. Soil scientists need at least 15 semester hours of soil coursework, including 3 in soil morphology and interpretations. Through December 31, 2026, qualified percolation-test professionals must register and complete continuing education; this temporary requirement then expires. A separate, voluntary contractor registration program runs through approved counties, with the state handling it where counties have not adopted it. The state also provides training for contractors and city and county employees, with reasonable fees allowed to cover costs. Training fees go to the Missouri public health services fund; an installation manual is included in training and available at cost to nonparticipants.

Sponsors & Cosponsors

Sponsor

Kurtis Gregory
Republican • Senate

Cosponsors

There are no cosponsors for this bill.

Roll Call Votes

All Roll Calls

Yes: 26 • No: 0

House vote • 4/9/2026

Reported Do Pass

Yes: 10 • No: 0

House vote • 3/26/2026