MONTERY COUNTY2005 GENERAL PLAN UPDATE

STUDY SESSION – DOMESTIC WATERMay 19, 2005

Feasibility and Application Completeness Requirements

Source Water Quality AnalysisSource Water Quality Analysis Meets all Title 22 water quality parameters.Meets all Title 22 water quality parameters.

Technical, Managerial, and Financial (TMF) Technical, Managerial, and Financial (TMF) Feasibility and CapacityFeasibility and Capacity

A Water Consolidation or “Can and Will A Water Consolidation or “Can and Will Serve” LetterServe” Letter

Water Use and Nitrate Impact QuestionnaireWater Use and Nitrate Impact Questionnaire Source CapacitySource Capacity

Water Quality Based on Level of Public Health Risk

(MCC 15.04.090, H&SC 116555, CCR Title 22)

AcuteAcute – – High Public Health RiskHigh Public Health Risk Immediate illness could result in death.Immediate illness could result in death.

ChronicChronic – Moderate Public Health Risk – Moderate Public Health Risk Prolonged exposure shown to cause Prolonged exposure shown to cause

illnesses which can lead to death.illnesses which can lead to death. AestheticAesthetic – – Low Public Health RiskLow Public Health Risk

Unpleasant taste or odor, staining of Unpleasant taste or odor, staining of clothing and fixtures.clothing and fixtures.

Water Quality Acute Risk

NitratesNitrates Most common contaminant in Monterey Most common contaminant in Monterey

County. County. 45 mg/l (MCL) maximum contaminant level.45 mg/l (MCL) maximum contaminant level. Infants (“Blue Baby Syndrome”) , elderly, Infants (“Blue Baby Syndrome”) , elderly,

people who are anemic are susceptiblepeople who are anemic are susceptible

Nitrates Acute Risk

When the nitrate level in the water supply exceeds When the nitrate level in the water supply exceeds the maximum contaminant level, then treatment is the maximum contaminant level, then treatment is not acceptable due to: not acceptable due to:

The risk of failure.The risk of failure. Must have regular maintenance on the treating Must have regular maintenance on the treating

device and is only effective to a certain level. device and is only effective to a certain level. The treatment is expensive $10K -$20K for a The treatment is expensive $10K -$20K for a typical 4 connection system.typical 4 connection system.

The disposal of waste products is problematic The disposal of waste products is problematic with Regional Water Quality Control Board.with Regional Water Quality Control Board.

Nitrate Monitoring Results

N itr a te R e s u lts

2 2 3

79

1 2

1 7

2 5

2 9

4 2

0

1 0

2 0

3 0

4 0

5 0

3/12

/90

8/22

/91

10/6/92

7/14

/94

8/1/95

7/5/96

10/26/98

4/26

/01

5/14

/02

3/2/05

D a te

Nit

rate

Res

ult

s (m

g/L

)

3 / 1 2 / 1 9 9 0

8 / 2 2 / 1 9 9 1

1 0 / 6 / 1 9 9 2

7 / 1 4 / 1 9 9 4

8 / 1 / 1 9 9 5

7 / 5 / 1 9 9 6

1 0 / 2 6 / 1 9 9 8

4 / 2 6 / 2 0 0 1

5 / 1 4 / 2 0 0 2

3 / 2 / 2 0 0 5

Chronic Risk Prolonged Exposure

Naturally occurring contaminants in groundwater Naturally occurring contaminants in groundwater such as arsenic, and fluoride which exceed the such as arsenic, and fluoride which exceed the MCL.MCL. Subdivision is approvable. There is approved Subdivision is approvable. There is approved

treatment technology. $10K - $100Ktreatment technology. $10K - $100K Disposal of brine is problematic (hazardous Disposal of brine is problematic (hazardous

material)material) All TMF requirements. All TMF requirements.

Non-naturally occurring contaminants such as Non-naturally occurring contaminants such as Cadmium and Chromium which exceed the MCL.Cadmium and Chromium which exceed the MCL. Subdivision is not approvable. There is no Subdivision is not approvable. There is no

approved treatment technology.approved treatment technology.

Technical, Managerial, and Financial (TMF) Requirements

(MCC15.040.040, MCC 19.03.015, H&SC 116540) (1 0f 2)

Source Water Assessment Program (SWAP)Source Water Assessment Program (SWAP)Map of potential contaminating activitiesMap of potential contaminating activities

Type of ownershipType of ownership Contract for Certified OperatorContract for Certified Operator How professional services will be providedHow professional services will be provided Budget projectionBudget projection Equipment replacement fundEquipment replacement fund Capital improvement planCapital improvement plan

TMF - Water Rights(MCC 15.04.040 and 19.03.015l, H&SC 116555) (2 of 2)

Title Report (if necessary)Title Report (if necessary) Deed of trust for wellDeed of trust for well Documentation of surface water rightsDocumentation of surface water rights Identification of any other water right issuesIdentification of any other water right issues

Includes identification of existing systems Includes identification of existing systems within one mile.within one mile.

Feasibility of incorporating into an existing Feasibility of incorporating into an existing system.system.

Feasibility of being owned, operated or Feasibility of being owned, operated or managed by a satellite agency.managed by a satellite agency.

Documents the ability to serve with an Documents the ability to serve with an expiration date in place.expiration date in place.

Water System Consolidation Letter & Valid “Can and Will” Serve Letter

(MCC 15.04 and H&SC 116540)

1 ACRE LOTS WITH WELL AND SEPTIC 

       

208 Ft 208 Ft

100 ft.

1 ACRE LOTS WITH WELL AND SEPTIC

1 2 3

4

5

6

RECOMMENDATIONSRECOMMENDATIONS

DOMESTIC WATER AND LAND DOMESTIC WATER AND LAND USE PERMITTING USE PERMITTING

PRIVATE WELLS FOR DOMESTIC USES

1.1. All new wells for domestic uses must meet minimum quantity All new wells for domestic uses must meet minimum quantity requirement of 3 gpm after a maximum 72-hour pump test. In requirement of 3 gpm after a maximum 72-hour pump test. In hydrogeologic areas where data has been previously developed, hydrogeologic areas where data has been previously developed, the pump test may be reduced.the pump test may be reduced.

2.2. Bulk hauled water is not considered an approvable supply for Bulk hauled water is not considered an approvable supply for new construction. new construction.

3.3. New development on existing lots of record must have a New development on existing lots of record must have a

determination of water quality via a one time biological and determination of water quality via a one time biological and chemical analysis of primary and secondary constituents. A chemical analysis of primary and secondary constituents. A noticing process would be required so that future owners of the noticing process would be required so that future owners of the lot would be informed of the water quality. lot would be informed of the water quality.

4.4. Continue the requirement that lots served by a well and an onsite Continue the requirement that lots served by a well and an onsite wastewater treatment system must be a minimum of 2.5 acres.wastewater treatment system must be a minimum of 2.5 acres.

WATER SYSTEMS

5.5. Require consolidation of water systems for new Require consolidation of water systems for new development with existing utilities in community areas development with existing utilities in community areas and rural centers. In all other planning areas, the and rural centers. In all other planning areas, the formation of new mutual water systems would be formation of new mutual water systems would be discouraged by requiring the creation of satellite systems discouraged by requiring the creation of satellite systems owned and operated by existing entities (i.e., PUC owned and operated by existing entities (i.e., PUC Utilities, Community Service Districts) where feasible Utilities, Community Service Districts) where feasible with the appropriate Technical, Managerial and with the appropriate Technical, Managerial and Financial, (TMF) feasibility assurances.Financial, (TMF) feasibility assurances.

6.6. To assure water quality and improved basin-wide To assure water quality and improved basin-wide management of groundwater resources, water system management of groundwater resources, water system owners and purveyors shall retain all water rights for owners and purveyors shall retain all water rights for new lots created through minor and standard new lots created through minor and standard subdivisions.subdivisions.

LAND USE PERMITTING (1 OF 3)

77 The County shall continue to require that new development The County shall continue to require that new development have a long term sustainable water supply. This shall not have a long term sustainable water supply. This shall not be a factor in determining a project complete, but will be a be a factor in determining a project complete, but will be a critical factor in determining whether a project deemed critical factor in determining whether a project deemed complete can be recommended for approval. complete can be recommended for approval.

8.8. Long Term Sustainable Supply should be determined on a Long Term Sustainable Supply should be determined on a basin by basin basis: basin by basin basis:

Projects in Zone 2C shall be considered to haves a long term sustainable Projects in Zone 2C shall be considered to haves a long term sustainable supplysupply

Projects in basins under the purview of the Pajaro Water Management Projects in basins under the purview of the Pajaro Water Management Agency shall be evaluated in terms of the implementation of that agency’s Agency shall be evaluated in terms of the implementation of that agency’s CIPCIP

Projects in the area managed by the Monterey Peninsula Water Projects in the area managed by the Monterey Peninsula Water Management District shall be governed by State Order 95Management District shall be governed by State Order 95

The Seaside Basin shall be considered not to have a long term supply at The Seaside Basin shall be considered not to have a long term supply at this timethis time

Long term supply in the Toro Basin (t.b.d.)Long term supply in the Toro Basin (t.b.d.)

LAND USE PERMITTING (2 OF 3)

9.9. As part of the determination of long term supply for individual As part of the determination of long term supply for individual projects, the County shall encourage the reduction of water usage projects, the County shall encourage the reduction of water usage on a property in the permitting process. For the purpose of on a property in the permitting process. For the purpose of determining baseline, documented water usage for 10 out of the past determining baseline, documented water usage for 10 out of the past 20 years shall be calculated. A minimum of 30% savings over 20 years shall be calculated. A minimum of 30% savings over baseline shall be required. baseline shall be required.

10.10. Water quality shall be a key additional determinant of long-term Water quality shall be a key additional determinant of long-term sustainable supply.sustainable supply.

11.11. A will serve letter from an existing water purveyor verifying that A will serve letter from an existing water purveyor verifying that financial and infrastructure commitments have been completed will financial and infrastructure commitments have been completed will also be required.also be required.

LAND USE PERMITTING (3 OF3)

12.12. In Community Areas, regional impacts may be addressed via impact In Community Areas, regional impacts may be addressed via impact fees tied to a CIP for new development.fees tied to a CIP for new development.

13.13. Outside Community Areas: Outside Community Areas:

Require connection to a water system or establishment of a Require connection to a water system or establishment of a satellite to an existing water system that has the appropriate satellite to an existing water system that has the appropriate TMF.TMF.

Regional impacts may be address via impact fees tied to a CIP Regional impacts may be address via impact fees tied to a CIP for new development. However, outside community areas the for new development. However, outside community areas the CIP shall have Tier 2 priority. CIP shall have Tier 2 priority.

WASTEWATER TREATMENT AND DISPOSAL (1 0f 2)

14.14. Require new development to consolidate wastewater Require new development to consolidate wastewater collection, treatment and disposal systems of services to collection, treatment and disposal systems of services to existing systems where feasible. The county shall not existing systems where feasible. The county shall not allow the use of package plants when connection to a allow the use of package plants when connection to a regional facility is feasible. regional facility is feasible.

15.15. Prior to deeming an application for development complete, Prior to deeming an application for development complete, proof of wastewater treatment infrastructure feasibility proof of wastewater treatment infrastructure feasibility must be approved. Proof of wastewater treatment must be approved. Proof of wastewater treatment infrastructure would include an evaluation of technical, infrastructure would include an evaluation of technical, managerial, and financial capability of the responsible managerial, and financial capability of the responsible entity for operating the facility.entity for operating the facility.

16.16. Wastewater treatment facilities must be built and approved Wastewater treatment facilities must be built and approved prior to the issuance of building permits.prior to the issuance of building permits.

WASTEWATER TREATMENT AND DISPOSAL (2 of 2)

17.17. New wastewater treatment facilities shall meet tertiary or New wastewater treatment facilities shall meet tertiary or advanced tertiary treatment standards in coordination with the advanced tertiary treatment standards in coordination with the Central Coast Regional Water Quality Control Board.Central Coast Regional Water Quality Control Board.

18.18. All community wastewater systems will be operated by duly All community wastewater systems will be operated by duly constituted public or private entities including independent constituted public or private entities including independent Community Services District or Community Facilities District, but Community Services District or Community Facilities District, but excluding County Service Areas or County Sanitation Districts.excluding County Service Areas or County Sanitation Districts.

19.19. Wet weather storage capacity of 120 days is required for treated Wet weather storage capacity of 120 days is required for treated sewage.sewage.

20.20. A minimum lot size of one acre will be required for lots served by A minimum lot size of one acre will be required for lots served by a community water system and where sewage disposal is by an a community water system and where sewage disposal is by an onsite wastewater treatment system.onsite wastewater treatment system.

SOLID WASTE

19.19. The county shall adopt a Landfill Buffer The county shall adopt a Landfill Buffer Zone Ordinance Zone Ordinance