Basin Plan Amendment Basin Plan Amendment for for Onsite - - PowerPoint PPT Presentation

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Basin Plan Amendment Basin Plan Amendment for for Onsite Implementation Program Onsite Implementation Program

(plan for regulating onsite systems) (plan for regulating onsite systems)

May 5, 2011 May 5, 2011 Sorrel Marks Sorrel Marks Central Coast Water Board Staff Report Central Coast Water Board Staff Report

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Groundwater

Leachfield Septic Tank

Proper Septic System Function

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Water Code Requirements Water Code Requirements

• Water Code requires authorization for discharge

Water Code requires authorization for discharge

• Onsite system => discharge waste

Onsite system => discharge waste

• Authorization in WDR or Waiver of WDR

Authorization in WDR or Waiver of WDR

• Waiver implemented since 1983

Waiver implemented since 1983

• Waivers expired in 2004

Waivers expired in 2004

• Individual WDR cumbersome & expensive

Individual WDR cumbersome & expensive

• Does not comply with Water Code requirements

Does not comply with Water Code requirements

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Basin Plan Onsite Criteria Basin Plan Onsite Criteria

• Adopted in 1983

Adopted in 1983

• Siting

Siting, design, construction, maintenance & mgmt. , design, construction, maintenance & mgmt.

• Low maintenance & low tech systems

Low maintenance & low tech systems

• Effective low cost treatment

Effective low cost treatment

• Long

Long-

• term water quality protection

term water quality protection

• Applied in local permitting

Applied in local permitting

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2008 Criteria Update 2008 Criteria Update

• Update 25

Update 25-

• year old Basin Plan criteria

year old Basin Plan criteria

• Added and clarified definitions

Added and clarified definitions

• Onsite management plans required & described

Onsite management plans required & described

• Additional treatment for very fast percolating soils

Additional treatment for very fast percolating soils

• Certified professional design on slopes >20%

Certified professional design on slopes >20%

• Prohibited discharge in 25

Prohibited discharge in 25-

• year flood plain

year flood plain

• Fill to be designed as disposal area

Fill to be designed as disposal area

• Brine disposal must be consistent with management plan

Brine disposal must be consistent with management plan

• Retrofit of properly

Retrofit of properly-

• functioning systems not required

functioning systems not required

• Board adopted criteria, legal issues with waiver

Board adopted criteria, legal issues with waiver

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2009 Implementation Update 2009 Implementation Update

• Renew waiver that expired in 2004

Renew waiver that expired in 2004

• Incorporate waiver into Basin Plan

Incorporate waiver into Basin Plan

• Consistent Basin Plan compliance

Consistent Basin Plan compliance

• Guidance for Onsite Management Plans

Guidance for Onsite Management Plans

• Local agencies oversight most effective

Local agencies oversight most effective

• address community

address community-

• specific conditions

specific conditions

• most already implementing oversight

most already implementing oversight

• Permit streamlining benefits stakeholders

Permit streamlining benefits stakeholders

• Efficient compliance with state law

Efficient compliance with state law

• Minimize time and cost to applicant

Minimize time and cost to applicant

• Proactive and long

Proactive and long-

• term water quality protection

term water quality protection

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2011 Revisions (this action) 2011 Revisions (this action)

• Purpose

Purpose – – update Basin Plan criteria and waiver update Basin Plan criteria and waiver

• Waiver for existing onsite systems

Waiver for existing onsite systems

• Waiver for new systems that meet Basin Plan criteria or OMP

Waiver for new systems that meet Basin Plan criteria or OMP

• Revisions described in Staff Report (pages 4

Revisions described in Staff Report (pages 4-

• 6)

6)

• Definitions expanded & background added

Definitions expanded & background added

• Onsite Management Plan detail added

Onsite Management Plan detail added

• Requirements consolidated from various sections

Requirements consolidated from various sections

• Board approval of Onsite Management Plans

Board approval of Onsite Management Plans

• Reorganized

Reorganized – – implementation brought forward implementation brought forward

• Clarify conditions of waiver

Clarify conditions of waiver

• Consistent terminology

Consistent terminology

• Consistent with State Board staff recommendations

Consistent with State Board staff recommendations

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Issues of Public Concern Issues of Public Concern

• Cost to local agency of onsite mgmt plan

Cost to local agency of onsite mgmt plan

• Activities already implemented by local agencies

Activities already implemented by local agencies

• Utilize available information

Utilize available information

• Prevents cost of correcting problems

Prevents cost of correcting problems

• OMP condition of waiver

OMP condition of waiver

• Limits secondary units on less than two acres

Limits secondary units on less than two acres

• 1983 requirement clarified

1983 requirement clarified

• Alternative criteria in onsite management plans

Alternative criteria in onsite management plans

• Work with local agencies to develop program

Work with local agencies to develop program

• Local agency outreach meetings

Local agency outreach meetings

• Scoping workshops & Water Board meetings

Scoping workshops & Water Board meetings

• Website information page

Website information page

• Draft documents circulated for public comment

Draft documents circulated for public comment

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Conditions of Waiver Conditions of Waiver

Without Local Onsite Mgmt Plan Without Local Onsite Mgmt Plan

• Submittal of application

Submittal of application

• $560 fee (set by State Board)

$560 fee (set by State Board)

• Application documents

Application documents consistency with Basin Plan consistency with Basin Plan

• Staff review & enrollment

Staff review & enrollment

• Local permitting procedures

Local permitting procedures With MOU & Onsite Mgmt Plan With MOU & Onsite Mgmt Plan

• Application waived

Application waived

• No application fee

No application fee

• System consistent with local

System consistent with local

• nsite management plan
• nsite management plan
• Local permitting procedures

Local permitting procedures

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Observed Failures in the San Lorenzo Watershed Observed Failures in the San Lorenzo Watershed Reduction after implementing onsite management plan Reduction after implementing onsite management plan

San Lorenzo Watershed

0% 2% 4% 6% 8% 10% 12% 14% 16% 18% 20% 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Year

Percent of Parcels Failing County Inspections Pumper Reports

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Work Outstanding Work Outstanding

• Submit Basin Plan Amendment to State Water

Submit Basin Plan Amendment to State Water Board and OAL for review and approval Board and OAL for review and approval

• Develop

Develop MOUs MOUs with local permitting agencies with local permitting agencies

• Assist local agencies with onsite mgmt plans

Assist local agencies with onsite mgmt plans

• New onsite systems

New onsite systems -

• c

continue status quo for

• ntinue status quo for

limited time (1 year) while developing limited time (1 year) while developing MOUs MOUs and and

• nsite management plans
• nsite management plans

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Corrections Corrections

p.4 editorial correction p.4 editorial correction p.8 waiver of ROWD p.8 waiver of ROWD and WDR and WDR

“ “For an onsite wastewater system to be eligible for a conditional

For an onsite wastewater system to be eligible for a conditional waiver waiver of

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Report of Waste Discharge Report of Waste Discharge and Waste Discharge Requirements and Waste Discharge Requirements, local , local governing jurisdictions must develop and implement programs to e governing jurisdictions must develop and implement programs to ensure nsure conformance with this Basin Plan conformance with this Basin Plan (as found in the following sections) (as found in the following sections) and and local regulations local regulations and enter into memorandum of understanding with the and enter into memorandum of understanding with the Central Coast Water Board Central Coast Water Board. .” ”

p.9 Local management plan recommended (required as p.9 Local management plan recommended (required as condition of waiver) condition of waiver)

“ “5.

5. Onsite Wastewater Management Plans Onsite Wastewater Management Plans should should be prepared and be prepared and implemented for urbanizing and high density areas served by onsi implemented for urbanizing and high density areas served by onsite te wastewater systems. wastewater systems.” ”

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Corrections Corrections

p.10 delete redundant paragraph p.10 delete redundant paragraph

“ “2. Onsite wastewater management plans shall be prepared and

• 2. Onsite wastewater management plans shall be prepared and

implemented for urbanizing and high density areas served by onsi implemented for urbanizing and high density areas served by onsite te wastewater systems. wastewater systems.” ”

p.10 clarify management plan components p.10 clarify management plan components

• Survey and evaluation of

Survey and evaluation of information regarding effectiveness of information regarding effectiveness of existing existing

• nsite systems.
• nsite systems.
• Water quality (groundwater and surface water)

Water quality (groundwater and surface water) evaluation evaluation program. program.

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Amendment Conclusions Amendment Conclusions

• Update needed to clarify 2008 & 2009 Basin

Update needed to clarify 2008 & 2009 Basin Plan Amendments for State Board approval Plan Amendments for State Board approval

• Update expired waiver

Update expired waiver

• Long

Long-

• term protection of surface water,

term protection of surface water, groundwater and public health groundwater and public health

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Action Recommended Action Recommended

Item No. 18 Item No. 18 Adopt Resolution No. R3 Adopt Resolution No. R3-

• 2011

2011-

• 0004

0004 as proposed w/corrections as proposed w/corrections