Marshall County Supplemental Septic Rules and Regulations
by Jonathan Bailey — last modified 2013-03-07 09:02 PM
- Marshall County will charge a septic permit application fee of $200.00.
- Marshall County will not permit any system that has not been inspected by the County unless waived by the Director of Marshall County Public Environmental Health.
- Marshall County requires a minimum of 240 lineal feet of gravel-less subsurface absorption trench for all systems, regardless of the number of bedrooms or percolation test results.
- For gravel systems a 20% increase for a total of 288 lineal feet of gravel subsurface absorption trench shall be required.
- For 24”-36” gravel-less systems a 20% reduction for a total of 198 lineal feet of gravelless subsurface absorption trench shall be allowed.
- All tanks must be accessible by either a center riser with manhole cover or inlet and outlet clean-outs.
- All distribution boxes will have an inlet flow limiter consisting of either a 90º elbow pointing to the bottom of the box or a “T” connection with one opening of the “T” pointing toward the bottom of the box and one opening pointing toward the lid.
- All outlets from a distribution box shall be fitted with flow regulators (otherwise known as “speed levelers”).
- When necessary, the Director of Marshall County Public Environmental Health may require other measures not included in Chapter 567-69 of the Iowa Administrative Code or in these supplemental rules to ensure proper installation and operation of any onsite private sewage treatment system permitted under IAC 567-69.