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HomeMy WebLinkAboutMINUTES - 03181986 - WC.3 TO: BOARD OF SUPERVISORS FROM: WATER COMMITTEE DATE: MARCH 10; 1986 SUBJECT: SMALL WATER SYSTEMS Specific Requests or Recommendations & Background & Justification RECOMMENDED ACTION ADOPT a policy statement to regulate the installation of new small water systems. The Water Committee recommends that the Board adopt the following: Policy - Small Water Systems :• Applications for new small water systems shall be careful evaluated by the Community Development and Health Services Departments. All applications will be carefully scrutinized to assure full compliance with the Health Services Department' s Policy and and Regulations on approval of small water systems and the requirements of the Community Development Department. _Small water systems will be discouraged in rural areas and particularly in those areas where the quantity and quality of ground waters is marginal . The County has a concern about the growth inducing impacts that can occur when small water systemsiare developed. The proliferation of "ranchette" developments served by water systems that cannot assure the delivery of a continuous and adequate supply of pure, wholesome, healthful , and potable water shall not be approved. A copy of the; Health Services Department Small Water System Policy and Regulations is attached. FINANCIAL IMPACT None Continued on attachment: X yes Signature: Recommendation of County Administrator Recommen f Board Committee Approve Other: Signature(s): uperviso unne McPeak Supe isor Robert Schroder Action of Board on: R 1 8 1986 Approved as Recommended v// Other— Vote // OtherVote of Supervisors I HEREBY 'CERTIFY THAT THIS IS A TRUE ' / AND CORRECT COPY OF AN ACTION TAKEN y Unanimous (Absent ) AND ENTERED ON THE MINUTES OF THE Ayes: Noes: BOARD OF SUPERVISORS ON DATE SHOWN. Absent: Abstain: MAR 181986 wc.bo.sm.wtr.sys. Attested Orig. Div.: Community Development PHIL BATCHELOR, CLERK cc: County Administrator OF THE BOARD AND COUNTY Health Services Dept. ADMINISTRATOR By AA , DEP7Y CLERK— March 10, 1986 Small Water Systems Page 2 REASONS FOR RECOMMENDATION: Small water systems create growth inducing impacts that can adversely impact grazing areas and other agricultural resources. Small water systems do not generally have the financial resources or technical staff to assure the proper operation and maintenance of the utility. CONSEQUENCES OF NEGATIVE ACTION: Applications for the installation of new small water systems will continue to be filed. New systems will create growth inducing impacts in rural areas and will not assure adequate quantity or quality of domestic water supply. Potential depletion of an aquifer from continued pumping can result in developed areas being faced with water shortages where no auxiliary source i:s available. i i i i i i , CONTRA COSTA COUNTY HEALTH SERVICES ENVIRONMENTAL HEALTH DIVISION Policy & Regulations Governing the Installation of Small Water Systems Section 64562, Title 22 of the California Administrative Code reads, in part, as follows: "Quantity of Supply. Sufficient water shall be available from the water sources and distribution reservoirs to adequately, dependably, and safely supply the total requirements of all users under maximum demand conditions." Maximum day demand means the average water demand during the day of maximum water use. Maximum hour demand means the average water demand during the hour of maximum water use. Quality of Water Supplied. Section 64401 ,; Title 22 of the California Administrative Code requires that all public water systems meet the primary and secondary drinking water standards which are based on the national regulations published in 40 Code of Federal Regulations, Parts 141 and 143. Statement of P'ol icy. The proponents and operators of small water systems, as defined in Contra Costa County Ordinance Code Sec. 414-4.221 , must comply with all laws and regulations applicable to the construction and operation of water systems. In Contra Costa County, every person proposing to install , construct, and/or operate a small water system must comply with the following regulations: 1. Hydro-geologic re ort required. Every person proposing to install , construct, and/or operate a small water system shall provide the Health Officer with a hydro-geologic report. The report must be prepared by a registered geologist with special expertise in the field of hydrogeology. The report must address seasonal and long-term variations in the quantity of water available to the system, recharge, and the impact of the proposed development on the existing development and water use. The report must show that an adequate water supply is available to serve all present and projected needs of the study area. 2. Water Quality. The chemical , physical , and bacteriological quality shall meet al-1 of `the standards listed in Chapter 15, Title 22 of the California Administrative Code and any amendments thereto. In addition, the water quality shall . not exceed the recommended standards for mineralization nor shall the water exceed the maximum contaminant levels published in Table 6 of Section 64473 of Title 22 of the California Administrative Code. 3. Surface Water Sources. Surface waters shall not be used in any small water systems unless the treatment and distribution systems are constructed and operated under the supervision of a public entity having authority to construct and operate domestic water supply systems. 4. System Design. All small water systems shall be designed by an engineer registere in the State of California . The design must be approved by all public entities which operate water systems and within whose existing boundaries or approved sphere of influence the proposed system will be located. These public entities shall determine if the proposed system must be designed and constructed to provide for future amalgamation into a large public system. If it is determined that the proposed system must be designed and constructed to provide for future integration into a large public system, plans review and construction inspections will be a combined effort by the large public system and the Health Officer. 5. Fire Protection. Small water systems shall be designed and constructed to provi e t e fired flow deemed necessary by the applicable fire department. The Health Officer must be provided with written documentation of the adequacy of the fire flow of the proposed small water system from the applicable fire department. 6. System Storage Volume. The minimum allowable water supply is the maximum day demand plus the reserve necessary for the required fire flow. 7. No Changes. 'No person operating a small water system shall modify, add to, or change the source of supply or method of treatment of, or change the distribu- tion system for, water for domestic purposes without the prior written authori- zation of theHealth Officer. 8. Treatment Plant Operators. All persons responsible for the operation of a water treatment system shall be certified by the State Department of Health Services in accordance with the rules and regulations referred to in Title 17, Sections 7100=7134 and any amendment thereto. 9. Definition. These regulations apply to small water systems proposed for construction, after April 1 , 1986. Small water system means a system which furnishes water for domestic purposes to from two through one hundred ninety-nine service connections. wc.hlth.pol .t3 f