Governing Onsite Wastewater Treatment Systems

1 Missouri Laws Accompanied by Department of Health and Senior Services Rules Governing Onsite Wastewater Treatment Systems Missouri Department of Health and Senior Services Bureau of Environmental Health Services Rev. 08/2019. Table of Contents MISSOURI LAWS FOR ON-SITE DISPOSAL Systems . Page Definitions .. 1. Scope of coverage .. 1. Operation of on-site sewage disposal system , 1. Disposal of sewage, who, how, exception .. 1. Department of Health and Senior Services powers and duties rules, procedure .. 2. Local regulations and standards, requirements private right to action not 2. Violations, notice of, contents, prosecuting attorney to institute proceedings, When emergency situation, when.

2 2. Sewage complaints, investigation by department, when right to inspect adjoining property, procedure requiring notice, 3. Clean water commission may take action, rules not to conflict .. 3. Standards for sewage tanks, lateral lines and operation of on-site sewage disposal Systems , duties of department rules authorized .. 4. State standards, content .. 4. Modification or major repair to on-site sewage disposal system , Requirements form fee, how set additional fee may be set for training contractors performing percolation tests .. 5. City or county may adopt more restrictive standards .. 5. Modifying or repair of on-site sewage disposal system , noncompliance with standards prohibited.

3 5. Fees collected by department to be deposited in public health service fund, purpose .. 5. i Construction or repair notice requirements and inspection . failure to comply with standards, 5. Inspections by department, who may request fee . department may license contractors to inspect .. 6. Violator found guilty not to begin construction for another person without bond or letter of credit forfeiture when, effect emergency repairs of effect .. 6. Registered on-site disposal system contractor, form, qualifications . registration issued by county to be deemed state 6. Registration of contractor may be denied, suspended or revoked, procedure, appeal reregistration application may be made when.

4 Official roster of contractors published by department, content .. 7. Property owners may install, modify or clean their own on-site sewage disposal system in compliance with requirements, no permit required for cleaning .. 7. Violations, penalties and fines .. 7. Creation of a nuisance on certain residential property is an infraction sewage disposal system in violation, statute of limitations starts to run, when .. 7. The statutes in this booklet are current as of January, 2016. The headnotes, footnotes, annotations and index of the Missouri Revised Statutes, are used by permission of the Joint committee on Legislative Research, the copyright holder.

5 Ii DEPARTMENT OF HEALTH AND SENIOR SERVICES RULES. 19 CSR Minimum Construction Standards for On-Site Sewage Disposal Systems Page (1) General .. 8. (A) Definitions .. 8. (B) Applicability .. 11. (C) Responsibilities .. 11. (D) Minimum Set-Back Distances .. 11. (E) Sewage Flow Rates .. 11. (2) Site 15. (A) Evaluation of all Proposed Sites .. 15. (B) Preliminary Soils Information .. 15. (C) Soil Permeability and Soil Percolation .. 15. (D) Procedures for Percolation Tests and Profile Holes .. 16. (3) Building 17. (A) Size .. 17. (B) Slope .. 17. (C) Cleanouts .. 17. (D) Connection to sewage tank .. 17. (4) Sewage Tanks.

6 17. (A) 17. (B) Septic Tanks .. 18. (C) Location .. 19. (D) Solids Removal .. 19. (E) Aeration Units .. 19. (5) Absorption Systems .. 20. (A) Absorption Trenches .. 20. (B) Possible Modifications to Standard Absorption Systems .. 23. (6) Alternative Systems .. 24. (A) 24. (B) Adoption and Use .. 24. (C) Low Pressure Pipe system .. 24. (D) Wastewater Stabilization Ponds (Lagoon) .. 25. (E) Elevated Sand 27. (F) Holding Tanks .. 28. (G) Sand Filters .. 29. iii (H) Drip Soil Absorption .. 33. (I) Wetlands .. 33. (J) Privy .. 36. (K) Other Systems .. 36. (L) Variances .. 36. (7) Detailed Soils Evaluation .. 37. (A) 37. (B) Adoption and Use.

7 37. (C) Site Evaluation is .. 37. (D) Site Evaluation shall be made .. 37. (E) Topography and Landscape Position .. 37. (F) Soil Characteristics .. 38. (G) Soil Drainage .. 40. (H) Soil 40. (I) Restrictive Horizons .. 40. (J) Other Applicable Factors .. 41. (K) Determination of Overall Site Suitability .. 41. (L) Site Classification .. 41. (M) Design Criteria .. 41. 19 CSR Requirements for On-Site Wastewater Treatment Systems .. 44. Inspectors/Evaluators 19 CSR Requirements for Percolation Testers or On-Site Soil Evaluators and Registered On-Site Wastewater Treatment system Installers .. 47. Missouri Department of Health and Senior Services Health and Public Health Offices Map.

8 51. Missouri Department of Natural Resources Regional and Satellite Offices Map .. 52. iv MISSOURI LAWS FOR. ON-SITE DISPOSAL Systems . Definitions. As used in sections parcels as required by local ordinances, or in the absence of to , unless the context otherwise requires, the local ordinances, "subdivision" means any land which is following terms mean: divided or proposed to be divided by a common owner or (1) "Department", the department of health and owners into three or more lots or parcels, any of which senior services of the state of Missouri; contains less than three acres, or into platted or unplatted (2) "Director", the director of the department of units, any of which contains less than three acres, as a part health and senior services or the designee of the director; of a uniform plan of development.

9 (3) "Existing system ", an on-site sewage disposal (14) Subsurface soil absorption system ", a system system in operation prior to September 1, 1995; for the final renovation of the sewage tank effluent and (4) "Human excreta", undigested food and by- return of the renovated Wastewater to the hydrologic cycle, products of metabolism which are passed out of the including the lateral lines, the perforated pipes, the rock human body; material and the absorption trenches. Included within the (5) "Imminent health hazard", a condition which scope of this definition are: sewage tank absorption is likely to cause an immediate threat to life or a serious risk Systems , privies, chemical toilets, single-family lagoons to the health, safety, and welfare of the public if immediate and other similar Systems ; except that a subsurface action is not taken; sewage disposal system does not include a sewage system (6) "Major modification" or "major repair", the regulated pursuant to chapter 644.

10 Redesigning and alteration of an on-site sewage system by (15) "Waste", sewage, human excreta or domestic relocation of the system or a part of the system , replacement sewage. of the septic tank or construction of a new absorption field; ( 1101 1, 1994 446). (7) "Nuisance", sewage, human excreta or other human *Word "waters" does not appear in original rolls. organic waste discharged or exposed on the owner's land or any other land from an on-site sewage disposal system in a Scope of coverage. Sections to manner that makes it a potential instrument or medium for pertains to maximum daily flows of sewage of the breeding of flies and mosquitoes, the production of three thousand gallons or less and to sewage Treatment odors, or the transmission of disease to or between a person facilities that have a designed maximum daily flow or an or persons, or which contaminates surface waters* or actual maximum daily flow of three thousand gallons or less.