Subsurface Sewage Treatment System (SSTS)
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Current Rules, Laws and Statutes, Regulations
and Ordinances
Rule, Statute, and Law History
Professional Certification, Business
Licensing and Enforcement
Technical Criteria
Septage Removal and Disposal
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for Treatment Products, Distribution Media and Sewage Tanks
Local Units of Government
Homeowner Information
Businesses with SSTS, Class V, Small Communities
and Cluster Septic Systems: Regulatory and Other Considerations
Septic System Tank Installation Fee
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MPCA Home > Programs
> Minnesota's Subsurface
Sewage Treatment Systems Program (SSTS) > SSTS Rules and Statutes History
SSTS Rule, Statute and Law History
This page is an archive for public notices, proposed rule changes,
statements of need and reasonableness (SONARs), and other related information
for SSTS regulations.
Minnesota’s SSTS regulations have a long history, dating back
to 1969. For current regulations, please visit Current
Rules, Statutes and Legislation.
Previous
SSTS Rules, SONAR, Public Notices, Comments and Responses
Minnesota
Statute §115.57
- Individual Sewage Treatment System Or Water Well Loan Program
Minnesota
Statute §115.58 
- Water quality cooperatives
Minnesota
Statute §115.59 
- Advanced Treatment Systems
Minnesota
Statute §115.60 
- Pilot Program For Alternative Septic System Technology
Minnesota
Statute §115.03 sub. 1(n) 
- MPCA training of ISTS personnel
2007
Regular Session - Chapter 57 
- Section 3
- Section 5
- Section 136
- Added a definition of performance-based system
- Removed old compliance dates
- Added date for updating ordinances
- Required rules to incorporate non-standard and performance
systems
- Allowed counties to adopt plans for addressing ISTS needs
- Required MPCA to establish a database of best practices
for ISTS
- Increased money for the Ag BMP loan program.
2005
1st Special Session - Chapter 1 
- A maximum $25 tank fee for performance-based systems.
- No professional may use the professional's position with government
to solicit private business (Section 126).
Effective Dates 9/23/02 to 4/3/06
Effective Dates 6/29/01 to 9/21/02
Effective Dates 10/4/99 to 6/29/01
Effective Dates 1/23/96 to 10/4/99
Effective Dates 5/22/89 to 1/23/96
Effective Dates 8/28/78 to 5/22/89
1969 and 1971 Health Department Code
History
of State Statutes
Statute § 115.03
sub. 1(n)
- MPCA training of ISTS personnel
Minnesota
Statute §115.55 
- Local ISTS ordinance requirements and alternative local standards
- Inspections and complying system criteria
- ISTS disclosure at property transfer
- Warrantied systems
Minnesota
Statute §115.56 
- ISTS licensing requirements and enforcement
Minnesota
Statute §115.58 
- Water quality cooperatives
Minnesota Statute § 115.551
History of Laws
- 2009 Regular Session - Chapter 109
- Name change to Subsurface Sewage Treatment System (SSTS)
- Language changes for clarification
- Removal of outdated provisions
- Removed provision that allowed offsite inspection by documentation
- Clarified business license from an individual certification
- Clarified that a subsurface system which does not need an SDS permit can be designed without being a AELSLAGID board professional if prescriptive standards and design guidance is provided.
- Allows local governments to prohibit homeowner installation of SSTS.
- Allows joint bonding with the plumbing bond.
- Expanded the list of enforceable actions against SSTS licensed businesses or certified individuals
- 2008
Regular Session - Chapter 357
- SSTS
businesses can perform work on systems of less than 10,000 gallons
per day with MPCA prescriptive guidance
- 2007
Regular Session - Chapter 131 (Section 73)
- Provided SSTS businesses a temporary exemption to AELSLAGID professional
licensure.
- Stakeholder group to develop recommendations
- MPCA to provide follow-up report to legislature
- 2007
Regular Session - Chapter 57
- Section 3 - Appropriation to MPCA
- Section 5 - Appropriation to BWSR
- Section 136
- Defined performance-based system
- Removed old compliance dates
- Added date for updating ordinances
- Required rules to incorporate non-standard and performance
systems
- MPCA to develop ISTS best practices database
- Increased funds for Ag BMP ISTS loan program
- 2004
Regular Session - Chapter 249
- Clarified definition/interpretation of redoximorphic features
- Procedures to resolve professional disagreements on seasonally
saturated soils
- 2003
Regular Session - Chapter 128 (Sections 164, 165 and Article 2,
Sec 2)
- MPCA to prepare a ten-year plan to locate and upgrade non-compliant
ISTS
- ISTS Pilot Program fund some counties for system upgrades
- ISTS license fees deposited in the state environmental fund
- Environmental fund monies to address new technology review, technical
assistance for local governments, and enforcement
- Initial requirements for $25 septic tank fee
- 1997
Regular Session – Chap. 235
- ISTS advisory committee to have geographic representation and
include elected public officials
- Counties must adopt compliant ordinances by 1/1/99
- Cities and township ordinances must be as strict as the county
ordinance
- Local governments must provide written list of any differences
from state rule
- MPCA to approve new ISTS technologies
- Inspections required for new construction or replacement
- Certificate of compliance for existing ISTS valid for three years;
five years for a new ISTS
- A licensed inspector who inspects an existing system may design
and install a new system for that property
- Two foot vertical separation from bottom of drainfield to seasonally
saturated soil allowed for some systems
- Existing seepage pits can be grandfathered as compliant
- Local ordinance must specify upgrade time for systems failing
to protect groundwater
- Modifications to point-of-sale disclosure requirements
- Alternative local standards allowed in local ordinances
- Warrantied system technologies allowed
- 1996
Regular Session – Chap. 427
- Temporarily waived certificate of compliance requirement for
a building permit
- Compliance inspection required for all new or replacement systems
- No continuing education requirements for small volume pumpers
- 1994
Regular Session – Chap. 617
- Definitions
- Voluntary adoption of compliant ISTS ordinance by 1996
- MPCA requirements
- Inspections and complying system criteria
- ISTS disclosure at property transfer
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