Initial Study MND - Sonoma County Agricultural Preservation and ...

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Taylor MountainINITIAL STUDY/MITIGATED NEGATIVE DECLARATIONB.3.15.2 Environmental Impacts and Mitigation Measuresa. Would the project exceed wastewater treatment requirements of the applicable RegionalWater Quality Control Board?LESS THAN SIGNIFICANT. Wastewater treatment demand would be very limited (see Item (b),below). Wastewater would be handled through development of one or more septic systemsand such systems would be subject to compliance with existing regulations. Most restroomswould be connected to septic and leach fields, while a couple restrooms may have tanks thatare pumped if water cannot be developed. Even with full implementation of the Master Plan,wastewater treatment would not exceed the requirements of the Regional Water QualityControl Board, given the limited need for wastewater treatment from the proposed uses.b. Would the project require, or result in the construction of new water or wastewatertreatment facilities or expansion of existing facilities, the construction of which couldcause significant environmental effects?LESS THAN SIGNIFICANT. The demand for services created by the proposed project would notnecessitate construction or substantial expansion of water or wastewater treatment facilities.The Master Plan allows primarily low-intensity recreational uses that have very low water andwastewater treatment demands. The District and Regional Parks are not planning to requestpublic services from the City of Santa Rosa or special districts, at this time. Since onsite watersources are proposed for water supply, new water treatment facilities would not be neededOther than small water treatment equipment at the wellhead. Development of the Preservewould rely on installation of a new septic system for new permanent water-using facilities (e.g.,permanent restrooms at several staging areas, visitor services at Kawana Springs Resort area).Water for livestock and horses is available in water troughs fed by spring boxes. State healthpermits are required if the onsite well or springs resources are planned to be used forcommercial purposes. If new septic systems are installed, they would be required to be locatedso as to avoid any sensitive resources, per Master Plan Standard 143.c. Would the project require, or result in the construction of, new stormwater drainagefacilities or expansion of existing facilities, the construction of which could causesignificant environmental effects?LESS THAN SIGNIFICANT. In conjunction with developing the six staging areas and visitorfacilities at the Kawana Springs Resort site within the property, drainage facilities would beconstructed onsite to detain and accommodate onsite runoff (see Section B.3.8, Hydrology).Potential impacts of constructing these facilities have been reviewed throughout this documentas part of the potential impacts of the whole project. No new stormwater drainage facilities arerequired offsite.Final B-122 September 2012
Taylor MountainINITIAL STUDY/MITIGATED NEGATIVE DECLARATIONd. Would the project have sufficient water supplies available to serve the proposed projectfrom existing entitlements and resources, or would new or expanded entitlements beneeded?LESS THAN SIGNIFICANT. Potable water would be required at the Kawana Springs Resort areaand non-potable water would be required for toilets at the Petaluma Hill Road staging area.The Linwood Avenue staging area would require water for bathrooms that would be obtainedfrom harvested rainwater or a new well, The Bath-Watt and Farmers Lane staging areas wouldnot require potable water. The estimated peak water demand at full build out of the KawanaSprings Resort area is approximately 12 Equivalent Single Family Dwelling (ESD). The estimateof water requirements includes 4 ESDs for the 8 room Hotel/B & B, 2 ESDs for the café, 4 ESDsfor the campground and host site, and 2 ESDs for day use and special events. The City of SantaRosa uses 110,000 gallons per year per ESD. The estimated peak water demand at thePetaluma Hill Road trailhead restroom would be less than 1 ESD (Cleveland, 2012).The Preserve would rely on existing onsite water resources, harvested rainwater and/orpotential new wells and associated tanks and piping system. An existing well is located near theBarn, but it has not been developed to date. The existing springs at the Kawana Springs Resortstaging area could support future planned uses in that area. An existing spring could providewater for toilets at Petaluma Hill Road or a new well could be installed. Standards in theMaster Plan reflect use of these proposed water sources at each of the staging areas (see S166,S179, S218). If necessary, new wells would be developed in the future to accommodate fullimplementation of the Master Plan, but development of a well is not necessarily required forinitial operations. The Master Plan includes a standard (S145) stating that site improvementsthat require water shall not be constructed until a suitable water source is available. Given therelatively low water demand and the fact that the Kawana Springs Resort historically usedonsite water sources for residential and resort/visitor serving commercial uses, onsite watersupplies should be sufficient to serve the project.e. Would the project result in a determination by the wastewater treatment provider thatserves or may serve the proposed project that it has adequate capacity to serve theproposed project’s projected demand in addition to the provider’s existing commitments?LESS THAN SIGNIFICANT. As described in Item (b), the project would rely on septic systems.There may be several portable toilets on the property, but the amount of wastewatertreatment required for these facilities would be minimal and would not exceed availabletreatment capacity.f. Would the project be served by a landfill with sufficient permitted capacity toaccommodate the proposed project’s solid waste disposal needs?LESS THAN SIGNIFICANT. Implementing the Master Plan would result in minimal solid wastedisposal needs, which would not substantially change landfill needs. The project’s solid wastewould be taken to a Sonoma County transfer station where it would be processed and disposedof at a landfill with sufficient disposal capacity. Regional Parks would also provide and maintainSeptember 2012 B-123 Final
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Initial Study MND - Sonoma County Agricultural Preservation and ...

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