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MONTERY COUNTY 2005 GENERAL PLAN UPDATE STUDY SESSION INFRASTRUCTURE REVISIONS July 7, 2005

MONTERY COUNTY 2005 GENERAL PLAN UPDATE STUDY SESSION INFRASTRUCTURE REVISIONS July 7, 2005. CIRCULATION. LEVEL OF SERVICE (Board Direction). LEVEL OF SERVICE (LOS) PERFORMANCE STANDARDS. 1. LOS C is the standard with specified exceptions:

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MONTERY COUNTY 2005 GENERAL PLAN UPDATE STUDY SESSION INFRASTRUCTURE REVISIONS July 7, 2005

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  1. MONTERY COUNTY2005 GENERAL PLAN UPDATESTUDY SESSION INFRASTRUCTURE REVISIONSJuly 7, 2005

  2. CIRCULATION LEVEL OF SERVICE (Board Direction)

  3. LEVEL OF SERVICE (LOS) PERFORMANCE STANDARDS 1. LOS C is the standard with specified exceptions: • Rural/Agricultural Lands: LOS D where necessary to directly support urban development within the Community Areas. • Community Areas: LOS D or where a lower LOS may be determined through the Community Plan process. • State Highways and Regional Corridors: LOS D (All State Highways, G 12-Highway One to 101, Salinas to Marina Corridor, and G16-Highway One to Carmel Rancho Blvd) • Existing LOS D or E Roads: Where LOS has already degraded to LOS D or E no further degradation in LOS will be allowed. • Carmel Valley Road: CVMP Policy 39.3.2.1. 2. LOS standard is anticipated for buildout of the General Plan.

  4. WATER RESOURCES NO REVISIONS PROPOSED

  5. DOMESTIC WATER AND LAND USE PERMITTING

  6. PRIVATE WELLS FOR DOMESTIC USES (Existing lots of record)1 of 2 1. All new wells for domestic uses located in consolidated materials ( i.e. hard rock areas) must meet minimum quantity requirement of 3 gpm after a 72-hour pump test. In hydrogeologic areas where data has been previously developed, the pump test may be reduced.If the pump test is less than 3 gpm, then the Division of Environmental Health may consider site-specific data that provides a reasonable assurance that a long-term water supply will be available.

  7. DEPARTMENT OF HEALTHDIVISION OFENVIRONMENTAL HEALTH WELL PRODUCTIVITY IN FRACTURED HARD ROCK

  8. WELL PRODUCTIVITY IN FRACTURED HARD ROCK Public Health Reasons for Minimum Standard of 3 gpmfor New Private Wells • Reasonable Assurance for Long Term Water Supply for Basic Sanitation Needs Such as: • Potable Drinking Water; • Flushing of Waste; • Washing of Hands, Showering and Bathing; • Food Preparation and Cleanup; • Janitorial Cleanup Around the House for Basic Sanitation

  9. WELL PRODUCTIVITY IN FRACTURED HARD ROCK RECHARGE • The Majority of Groundwater Recharge in Hard Rock Areas in Monterey County is by Rainfall. • Monterey County Routinely Experiences Multiyear Droughts.

  10. WELL PRODUCTIVITY IN FRACTURED HARD ROCK RECHARGE RATES Monterra Ranch .21 AF/ac Rancho San Carlos .25 AF/ac Canada Woods .22 AF/ac 3 Bedroom SFD Basic Sanitation .33 AF/Yr Including Other Water Uses .46 AF/Yr Recharge Rates Indicate 1.3 – 2+ Acres Would Be Needed Based on Infiltration Capacity Alone. Department of Water Resources has Recommended 3 - 5 acres Larger Lots Allow Flexibility for Replacement Wells Especially in Conjunction with Setbacks from Septic Systems.

  11. WELL PRODUCTIVITY IN FRACTURED HARD ROCK SURFACE INFILTRATION CAPACITY Rainwater Percolates Through Soil to Recharge Fractures. Limited Surface Area (Small Lots) with Hardscape: Limited Infiltration Capacity Large Surface Area with Natural Surface: More Infiltration Capacity.

  12. WELL PRODUCTIVITY IN FRACTURED HARD ROCK Water Storage Capacity Water is Stored in Fractures That Results in Reduced Storage Capacity: Hard Rock Storage: <2% of Rock Volume, Decreases with depth 100 cubic feet of Fractured Rock = 1.5 gallons or less Vs Alluvial Storage: 10% to 25% of Aquifer volume 100 cubic feet of Alluvium = 7.5 gallons – 18.75 gallons

  13. WELL PRODUCTIVITY IN FRACTURED HARD ROCK FACTORS INFLUENCING WELL PRODUCTIVITY Unfavorable Favorable Orientation Of Fractures Wells intersect few steeply dipping fractures Wells intersect many gently dipping fractures

  14. WELL PRODUCTIVITY IN FRACTURED HARD ROCK FACTORS INFLUENCING WELL PRODUCTIVITY Unfavorable Favorable Width of Fractures Soil Cover Can Provide Some Storage

  15. WELL PRODUCTIVITY IN FRACTURED HARD ROCK FACTORS INFLUENCING WELL PRODUCTIVITY Unfavorable Favorable Density of Fractures Interconnection of Fractures Over a Large Area

  16. WELL PRODUCTIVITY IN FRACTURED HARD ROCK LOCAL AND STATEWIDE EXPERIENCE • Local Problems with Significant Decrease in Well Productivity. • Statewide Problems with Significant Decrease of Well Productivity. • Department of Health Services, Department of Water Resources Acknowledge Well Productivity Can be Problematical Due to the Factors Affecting Water Production. • Eight of the Counties Surveyed Require 3 gpm or Greater as a Minimum Standard.

  17. WELL PRODUCTIVITY IN FRACTURED HARD ROCK Environmental Health Recommends • 3 gpm as a Minimum Standard After a 72 Hour Pump Test. • <3 gpm Would Be Considered For Larger Lots As Well as Other Hydrogeological Factors.

  18. PRIVATE WELLS FOR DOMESTIC USES (Existing lots of record)2 of 2 2. Bulk hauled water is not considered an approvable supply for new construction. 3. As a baseline, new development on existing lots of record must have a determination of water quality via a one time biological and chemical analysis of primary and secondary constituents.A noticing process would be required so that future owners of the lot would be informed of the water quality. Other Requirement of deed notice if standards are exceeded. Other counties currently require this initial biological and chemical constituent test.Staff will work with County Counsel and the Board of Realtors to develop the most reliable approach for ensuring notice to future owners regarding the potential exceedance of standards. 4. Continue the requirement that construction of a well on any lot with an onsite wastewater system, must be a minimum of 2.5 acres

  19. WATER SYSTEMS • Consolidation of new development water systems with existing utilities would be encouraged required in community areas and rural centers. The County shall also encourage the In all other planning areas, the formation of new mutual water systems would be discouraged by requiring the creation of satellite systems owned and operated by existing entities (i.e., PUC Utilities, Community Service Districts) where feasible with the appropriate Technical, Managerial and Financial, (TMF) feasibility assurances. 6. To assure water quality and improved basin-wide management of groundwater resources, water system owners and purveyors must retain all water rights for new lots created through minor and standard subdivisions.

  20. LAND USE PERMITTING 1 of 5 7. The County shall continue to require that new development have a long term sustainable water supply in order for a project to be approved. This shall not be a factor in determining a project complete, but will be a critical factor in determining whether a project may be approved.The County shall also continue its policy of considering a project complete once the applicant submits a hydrogeologic report or otherwise complies with the requirement to submit information regarding adequacy and quality of the water supply.

  21. LAND USE PERMITTING 2 of 5 8. Long Term Sustainable Supply should be determined on a basin by basin basis. Examples based upon current information are as follows: • Projects in Zone 2C shall be considered to haves a long term sustainable supply • Projects in basins under the purview of the Pajaro Water Management Agency shall be evaluated in terms of the implementation of that agency’s CIP • Projects in the area managed by the Monterey Peninsula Water Management District shall be governed by State Order 95 • The Seaside Basin shall be considered not to have a long term supply at this time • Long term supply in the Toro Basin (t.b.d.)

  22. LAND USE PERMITTING 3 of 5 9. As part of the determination of long term supply for individual projects, the County shall evaluate encourage the reduction of water usage on a property in the permitting process. For the purpose of determining baseline, documented water usage for 10 out of the past 20 years shall be calculated. A range minimum of from 20% to 30% savings over baseline shall be required. is proposed as appropriate for achieving savings to a basin that has water supply deficiencies.

  23. LAND USE PERMITTING 4 of 5 10. Water quality shall be a key additional determinant of long-term sustainable supply. 11. A will serve letter from an existing water purveyor verifying that financial and infrastructure commitments have been completed will also be required. 12. In Community Areas, regional impacts may be addressed via impact fees tied to a CIP for new development.

  24. LAND USE PERMITTING 5 of 5 13. Outside Community Areas: a) RequireEncourage connection to a water system or establishment of a satellite to an existing water system that has the appropriate TMF. b) Regional impacts may be address via impact fees tied to a CIP for new development. However, outside community areas the CIP shall have Tier2 priority.

  25. WASTEWATER TREATMENT AND DISPOSAL 14. Require new development to consolidate wastewater collection, treatment and disposal systems of services, connecting to existing systems where feasible. The county shall not allow the use of package plants when connection to a regional facility is feasible. 15. Proof of wastewater sewage feasibility prior to deeming the application for development complete. Wastewater requires all TMF requirements to be evaluated and completed satisfactorily. 16. Wastewater facilities must be built and approved prior to the issuance of building permits. 17. Wet weather storage for treated sewage effluent of 120 days is required. (current policy) 18. A minimum lot size of one acre will be required for septic systems that are served by a water system.

  26. SOLID WASTE 19. The county shall adopt the Landfill Buffer Zone OrdinanceThe General Plan should clearly indicate the need for appropriate buffers between landfills and development. A subsequent ordinance will implement this principle.

  27. INFRASTRUCTURE ELEMENT DEFINITIONS

  28. ADEQUATE PUBLIC FACILITIES AND SERVICES (APFS) • means the public facilities and services required to support new development so that new development does not adversely impact current service or safety levels below established minimum standards.

  29. CONCURRENCY • (Subdivisions) means that prior to recording the parcel map or final map that: • all direct on-site and direct off-site public facility and public service improvements to serve the development and feasibly mitigate its impact on existing public facilities and services exist, are constructed, assured or otherwise secured in a subdivision improvement agreement; and, • the fairshare contributions to feasibly mitigate indirect off-site public facility and public service impacts have been made or are assured or otherwise secured in a subdivision improvement agreement. • (Other Development) means that prior to the issuance of building permits that: • all direct on-site and direct off-site public facility and public service improvements to serve the development and feasibly mitigate its impact on existing public facilities and services exist have been completed to the extent that their completion is assured prior to occupancy of any portion of the development; and, • the fairshare contributions to feasibly mitigate indirect off-site public facility and public service impacts have been made or are assured or otherwise secured.

  30. APFS IMPROVEMENTS • Direct On-Site; means the improvements on the development site necessary to fully serve the development and feasibly mitigate the on site impacts of the development. • Direct Off-Site; means the improvements off the development site necessary to fully serve the development and feasibly mitigate the off site impacts of the development . • Indirect Off-Site; means the public service and facility improvements needed off the project site to feasibly mitigate the off site incremental impacts of the development.

  31. FAIR SHARE • Staff Recommendation; means the contribution a new development is required to pay for indirect off-site APFS improvement proportionate to its impact on the public facilities and services without assessment for existing APFS deficiencies. • Refinement Group: Means the proportional share attributable to a new development project of the cost of providing additional service facility capacity necessary for the new development project to meet adopted service level standards for that service facility. Fair Share is that portion of the cost of providing such additional service facility capacity, excluding the cost of remedying any existing capacity deficiencies in that service facility, calculated as the ratio between the burden placed on the service facility by the new development project, and the total burden on that service facility from existing development, the proposed new development project, and all reasonably anticipated cumulative development.

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