SOIL EROSION CONTROL FOR SINGLE FAMILY DWELLING CONSTRUCTION ONTARIO COUNTY SOIL AND WATER CONSERVATION DISTRICT 480 NORTH MAIN STREET CANANDAIGUA NY 14424 585-396-1450 www.ontswcd.com ontswcd@rochester.rr.com INTRODUCTION Building a new home is an exciting project. Creating the perfect home begins with finding the perfect site. Preserving the natural beauty of the location, which may well be the reason for selecting the site, should be the first priority. There is a distinct possibility, during construction, of damaging the quality of the lakes, streams, and environment which you appreciate and intend to enjoy. Soil erosion from building sites harms water bodies by allowing sediment to enter the water. Muddy streams, muddy lakes and degraded landscapes result. Sediments also carry nutrients (nitrogen and phosphorus) into the water and support the growth of algae and water weeds. 1 lb of phosphorus supports the growth of 500 lbs of water weeds. Erosion control during construction is important to preserve the value of your property. By safeguarding your home site against the damaging effects of uncontrolled runoff and soil erosion, you ensure the continued purity of adjacent streams and lakes and the continued beauty of the landscape. The guidelines in this publication will help you prevent damage to your site, improve the appearance of your property, and protect the landscape that you love. PLANNING NOTES: Onsite Wastewater Treatment (Septic) Systems are common features of rural homes. New York State Department of Health law requires these systems be designed by a licensed professional. Absorption fields require adequate space to absorb about 75 gallons of water per occupant of the house. Room for replacement or expansion of the field should be part of your plan. Be sure that you are following all local requirements for percolation tests, proper installation and inspection. Call Ontario County SWCD 585-396-1450 for more information or your local County Soil and Water Conservation District. Ongoing Access to the septic tank for pumping and maintenance will be necessary. Septic tanks should be pumped and inspected for structural integrity every 3 – 5 years. Don't build anything over any part of the wastewater treatment system. Private Water Wells should be located uphill from the wastewater treatment system, and must be at least 50 feet from a septic tank and 100 feet from the absorption field. Stormwater runoff should be diverted from the well head and animals kept away from it. Locating the well as far away from pollution sources as practicable is a good idea. The majority of easily developed properties near the Finger Lakes already have houses on them. Many of the remaining sites are small, steep, unstable, poorly drained or are difficult to access. While some of the problems can be overcome, the costs can be considerable. This booklet has been prepared by Edith Davey, Ontario County NY Soil and Water Conservation District Conservation Educator, using the best currently available information, as an informal guide to issues encountered during the construction of single family dwellings by their owners. SOME REGULATIONS APPLY A New York State Department of Environmental Conservation (DEC) State Pollutant Discharge Elimination System (SPDES) Permit for Stormwater Discharge from Construction Activity (GP-) must be obtained if you will disturb or expose one or more acres of soil. Clearing vegetation, grubbing stumps, filling, grading, excavating, and demolishing existing structures are activities included in construction. You are responsible for obtaining coverage under the SPDES Permit before construction begins and for maintaining erosion and sediment control measures until the site has been stabilized. Disturbance areas must be calculated to include the house footprint, driveways, excavation for wastewater treatment systems and pipes as well as the lawn area or any other area that removes natural cover. Other structures such as storage sheds or garages erected at the same time must also be included in the disturbance area. Steep slope regulations have been instituted by many municipalities. Building permits for some sites may be subject to these regulations. Permits and regulations change and are not uniform from one jurisdiction to the next. Persons engaged in housebuilding should always be sure they are complying with all local, state and federal requirements. House plans should be adapted to fit a steep site, rather than drastically altering the landscape in order to accommodate a house plan better suited to a flat site. Locations on cliffs next to lakes or streams may be subject to slumping soils and/or unstable soil or rock substrate. A geo-technical engineer can advise you of possible difficulties. Cutting trees near a steep slope to “improve the view” may eventually allow the cliff or slope to slide away. Tree stump roots will hold soil and stone in place for about ten years until they rot. A better idea is to trim tree branches up and bushes down to open a view – and leave the stabilizing roots alive and in place. Plant trees to replace any that die. SPECIAL PROBLEMS OF LAKESIDE OR STREAMSIDE DEVELOPMENT Streamside locations require careful consideration even if the stream rarely floods. New development will generate additional runoff because of increased impervious surface areas and decreased infiltration, and cause future flooding. Additional runoff may foster streambank erosion, uproot vegetation or re-route channels. Such problems are difficult and costly to repair or control. Allow a good margin of safety if you are thinking of locating near a stream. The size of a stream in August is not the same as in March during snow-melt runoff. Under natural conditions, stream beds move through the landscape over time. Flood events can alter stream courses rapidly. Check the size and condition of the stream bed for clues to the stream's history and future. The size of stones moved by the stream will give you some indication of the power of the water moving under peak conditions. Ask your potential neighbors about flooding. Flooding hazards may be present for both lakeside or streamside development. The US Department of Housing and Urban Development (HUD) publishes Flood Hazard Maps (copies available at Town, County Planning, and Community Development Offices) that delineate zones of hazard. It is recommended that no development take place within the 100-year flood plain of a lake or stream. Loans to develop land in such flood plains may be difficult to obtain. BEFORE YOU BUILD – SOME SIMPLE DOs and DON'Ts Do assess your site carefully. Look for drainage patterns entering and leaving the property. These must be considered when planning. Don't alter the natural landscape more than is absolutely necessary or locate a structure in a natural drainage way. Do protect and preserve valuable trees, shrubs and groundcover during construction. Large tree roots prevent steep slopes from slumping or sliding. Decades will pass before newly planted trees reach mature size. Don't remove vegetation, particularly trees and shrubs, unnecessarily. They are important for erosion control, shade and wildlife habitat. Do use temporary soil erosion control Don't allow runoff and sediment to enter or practices (e.g. silt fence, swales) to reduce or leave disturbed areas. divert runoff from disturbed areas. Do vegetate waterways and sand and gravel Don't allow waterways or unsightly “borrow” pits promptly. areas to contribute to erosion. Do stockpile existing topsoil, seed it over to preserve it. Don't remove topsoil unnecessarily, causing the expense of replenishing it. Do establish grasses and legumes promptly on disturbed areas or use sod for a quick cover. Don't leave bare areas of soil that will contribute to erosion, dust, and sedimentation. Do apply mulch to control weeds and erosion Don't leave newly seeded areas and to conserve moisture. unprotected against wind and rain. Do be a good neighbor. Don't divert runoff water from your construction site to another property where it will cause damage. Do improve recreation areas with grasses, vines, shrubs, trees and other plants Don't forget future recreation activities, wildlife habitat and land uses when selecting plants. Do consider stormwater runoff management Don't forget to keep runoff water away from after construction. Rain gardens, rain foundations and wastewater treatment barrels, infiltration trenches and other system absorption fields. management practices can help. BEFORE YOU BUILD CONTROL WATER FLOW DIRECTION AND VELOCITY. Examine your site to see where water will flow naturally. Construction plans that accommodate these natural flow patterns are nearly always more successful and less costly than trying to alter natural patterns. Plan for ways to control storm water. STORMWATER CONTROLS should be in place before clearing the site is begun. Rain or snow melt wait for no one. MAINTAIN MAXIMUM EXISTING VEGETATION. In a natural landscape, plant roots hold soil in place. When plants are removed, raw soil is exposed that will quickly blow or wash away. The quality and quantity of water leaving the site during construction should not be altered from its natural state. BEFORE YOU BUILD PLAN TO PROTECT YOUR SITE PLAN YOUR TRAFFIC-WAY Having a drained, properly constructed driveway for vehicle access is one means of protecting your building site from traffic damage. Trucks and earth moving equipment can compact soils until they are no more absorbent than brick. Fence off the the site for a waste water treatment system absorption field. Protecting that area may save you substantial time and money in avoiding the need for replacement soil. PLAN TO PRESERVE TOPSOIL Preserve as much existing topsoil in place as possible. Topsoil that must be stripped from the site should be stockpiled and saved for reapplication after final grading. Seed or cover the stockpile with tarps and surround it with silt fence to prevent it washing away. Topsoil should not be applied or reapplied over a frozen or muddy surface. It should be promptly fertilized, seeded and mulched. Different site conditions and intended uses require different topsoil depths. A future lawn that will be mowed needs 4 to 6 inches of topsoil. An area left “natural” requires only 1 to 2 inches. Replacing the layer of topsoil over your site will provide a good base for your plantings, reduce irrigation water requirements and reduce the need for fertilizer. BEFORE YOU BUILD PRESERVING TREES DURING CONSTRUCTION Preserving trees on your building site takes planning and a bit of knowledge about how trees grow. A large tree in good, deep soil may have as much root mass below ground as branches above. Disturbing roots, compacting the soil around the roots, or skinning the bark may quickly destroy the tree. Keep the soil intact around the base of a tree marked for preservation as far out as the branches reach. This is the “crown line” or “drip line” of the tree as it represents the point at which the tree sheds water from its leaves. A temporary fence at the drip line will alert equipment operators to the area to be protected. Do not put fill or topsoil above the roots. Tree roots need to breathe, and additional soil – or too much mulch – will hamper gas exchange. If grade must be changed, get assistance from a landscape architect, nurseryman, arborist or Cooperative Extension specialist. Keep heavy equipment away from the root zone. The weight of large trucks or earthmoving equipment will compact the soil to the extent that air and water can't penetrate the soil. DURING CONSTRUCTION CONSTRUCTION ENTRANCE STABILIZATION AND DUST CONTROL Stabilizing construction entrances will reduce or eliminate tracking mud onto public roads. Protecting your site from muddy ruts is another benefit. Wheels of construction equipment can be cleaned on the area before they leave the site. Geotextile (special fabric made of plastic) should be placed over the entrance area and covered with 1- 4 inch size gravel to a depth of at least 6 inches. The entrance area covered should be at least 12 feet wide by 30 feet long, but not less than the full width of the entrance. More gravel may be added periodically for maintenance. Dust control is important to prevent off-site damage, health hazards and traffic safety problems. Cover disturbed areas not subject to traffic with vegetation or use mulch as a quick means of controlling dust. Sprinkling the site until the surface is wet is effective on haul roads and access routes. There are spray adhesives available for use on mineral soils. SOD STABILIZATION Sod can be used as a quick cover for exposed soils. It will stabilize the soil, protecting downhill and downstream areas from runoff damage. Installing sod gives homeowners the benefit of an immediate, weed-free lawn. RURAL DRIVEWAY CONSTRUCTION Good driveway construction takes planning, good design and correct installation. Proper maintenance will be necessary. The driveway should be durable, safe in all weather conditions, sized to accommodate emergency vehicles and provide safe entry to the road. PLANNING Local codes may apply to driveways in the road right-of-way. Most Departments of Transportation will assist in locating a driveway where lines of sight allow safe entry to the road. Well-drained soils with high weight-bearing characteristics make the best driveways. Avoid wet/sandy soils as they won't bear traffic. Clay soils may become slick. Soil Surveys available at local county Soil and Water Conservation Districts or at www.websoilsurvey.nrcs.usda.gov will help you evaluate your soil. Safe driveways should have no more than a 10% slope. Emergency vehicles and large trucks (e.g. septic pumpers) must be able to negotiate driveway slopes. Angling the driveway across the slope can reduce the grade. A small negative slope at the road entrance will promote drainage. A level or slightly inclined area at the road entrance affords safer entrance into road traffic. Maintain natural drainage patterns as much as possible. Runoff issues are common where drainage patterns are disturbed. Construct a driveway turnaround (aka. “hammerhead”). Driving onto a road is always safer than backing out. The driveway should meet the road at a 90° angle if possible, but angles of 75° -90° may be acceptable. Check with your local Code Enforcement Officer local or Highway Superintendent to help ensure adequate sight distance at the driveway entrance to the road. DRIVEWAY CONSTRUCTION Driveways should be crowned (higher in the center) and compacted over the entire surface (not just in the wheel tracks). A aggregate of mixed stone size such as modified #2A will bind more effectively than uniformly sized #1 or #1 stone. Inadequate drainage can result in dangerous flooding, muddy or icy conditions and debris flows. Highway Law allows Towns to fine landowners for dangerous conditions created by faulty driveways. Your local Code Enforcement Officer can tell you if you need to hire an engineer. DRIVEWAYS ON STEEP (OVER 10%) SLOPES A driveway angled across a steep slope will intercept runoff. Creating a series of broadbased dips to act as water bars – shallow channels across the drive at an angle of about 60° - to direct water into established vegetation is one solution. An infiltration area can be created at the foot of the driveway to absorb runoff before it reaches the road. Water bars should be spaced as follows: Slope Spacing (ft) Less than 5% 125 5-10% 100 10 -20% 75 20-35 % 50 Greater than 35% 25 Install water bars as soon as the driveway is cleared and graded. Runoff is directed to an undisturbed area or an area that has been stabilized. DRIVEWAY CONSTRUCTION Stone check dams are an effective means of reducing the velocity and erosive power of runoff. They are generally used in concentrated flow areas, such as drainage ditches beside driveways. Check dams are not used in streams or channels. Stone check dams are constructed of a mixture of sizes of stone. Sharp edged stone works better than rounded rocks as the edges will help the check dams lock together. Check dams provide relatively good removal of coarse and medium size sediment from runoff. Most silt and clay particles will pass over or through the voids in the stones. Suggested spacing: Ditch Grade (% slope) Spacing (feet apart) 1 200 2 100 4 50 6 33 Above 6% ditch grade, you may need to flatten the slope. 8 25 10 20 (Source: Minnesota Urban Small Sites BMP Manual, Barr Engineering Co.) As the check dams descend a slope, the toe of the upstream check dam should be level with the top of the check dam below. This provides a pooling effect. DURING CONSTRUCTION CRITICAL AREA SEEDINGS A critical area is any disturbed, denuded area. Grasses and/or legumes should be established promptly to reduce erosion and sedimentation. Choose a seeding mixture appropriate for the area. Consider whether the seeding is to be temporary or permanent; mowed or not mowed; whether the site is shaded or is on a steep slope. SOME SEEDING OPTIONS: per acre PERMANENT PERMANENT TO MOW UNMOWED PERMANENT SHADED SITE TEMPORARY 20 lb Kentucky bluegrass 20 lb creeping red fescue 5 lb perennial ryegrass 10 lb creeping red fescue 15 white clover 15 lb tall fescue 2 lb redtop Shady, wet site: 80 lb rough bluegrass 35 lb shade tolerant bluegrass Spring: 30 lb annual ryegrass 20 lb creeping red fescue 8 lb birdsfoot trefoil 10 lb tall fescue 10 lb creeping red fescue 2 lb redtop 30 lb flatpea 40 lb creeping red fescue 20 lb tall fescue Spring: 80 lb spring oats 15 lb smooth 20 lb tall fescue bromegrass 30 lb flatpea 5 lb perennial ryegrass 10 lb birdsfoot trefoil Shady, dry site: Fall : 120 lb shade tolerant 30 lb annual Kentucky bluegrass ryegrass 35 lb perennial ryegrass 120 lb fine fescue 30 lb perennial ryegrass 40 lb Kentucky bluegrass Fall 112 lb winter rye Fall 12o lb winter wheat Fall 112 lb perennial ryegrass After seeding, hay or straw mulch should be applied to help establish plant cover. On steep slopes, woven netting materials may be needed to ensure stability. DURING CONSTRUCTION MULCHING Mulching controls weeds, conserves moisture and holds seeds in place until they take root. Mulch will also reduce runoff and erosion on the building site. Types of mulch and application rates are listed in the following table. If needed, use an anchoring material. Hay and straw are the best mulches for grass/legume establishment used in combination with an anchoring material. Wood chips and gravel are other commonly used materials that may need to be removed later if grass is to be planted on the area. Hydroseeding is a commercially available option, using a mixture of your chosen seed and a cellulose product (usually recycled paper) mulch. Plastic can be used as an anchoring material. Netting may be needed on steep slopes. Materials Application rate/1000 sq ft Sawdust 83-500 cu. ft. 1-7” Wood Chips 500-900 lbs. or shavings Depth of Remarks application 2-7” Requires 30-35 lbs N/ton to prevent N deficiency in plantings while decaying. Requires 10-12 lbs N/ton to prevent N deficiency in plantings while decaying. Wood Fiber Cellulose 50 lbs. Compost 3-9 cu. yds. 1-3 “ Conserves moisture well. Gravel or crushed stone 9 cu. yds. 3” Washed, size 2B or 3A – 1½”. Good for short slopes. Use over filter fabric for better weed control. Cover about 905 of surface Use where mulch is maintained for more than 3 months. Anchor to prevent wind blowing. Best micro-environment for germinating seeds. Hay or straw 90-100 lbs (2-3 bales) Peat Moss Apply with hydromulcher. No tie down required. Less erosion control than 2 tons of hay or straw. 100-400- cu ft 2” - 4” Excellent moisture holding capacity. Subject to blowing unless kept wet. Jute-Twisted 48 x 50 yds. Yarn Use without additional mulch. Tie down according to manufacturer's instructions. Plastic Use 2-4 mils black plastic for weed control. Conserves moisture well. Excelsior wood fiber mats I8”X 100” 2sided plastic, 48”X180: 1sided plastic Straw or Most are 6.5 coconut ft X3.5 ft fiber, or combination Use without additional mulch. Tie down . Excellent for seed establishment. Use 2-sided plastic for centerline of waterways. Designed to tolerate higher velocity water flow., centerlines of waterways. 60 sq. yds. per roll. Anchoring Material Mulch Type How to Apply Peg and twine Hay or straw Divide area into 1 sq. yd. blocks. Drive 4-6 pegs per block to within 2-3: of soil surface. Stretch twine between pegs in criss-cross pattern on each block. Drive pegs flush with soil to tighten twine. Mulch netting Hay or straw Staple paper, jute, wood fiber or plastic netting to soil surface according to manufacturer's recommendations. Should be biodegradable. Most products will not withstand foot traffic. Wood cellulose fiber Hay or straw Apply with hydroseeder immediately after mulching. Use 500 lbs wood fiber per acre. Some products contain an adhesive material (tackifier). Soil and stones Plastic Plow a single furrow along edge of area. Fold 6” of plastic into the furrow, plow furrow slice back over plastic. Use stones to hold plastic down in other places as needed. Cut-In (Mulch anchoring tool) Hay or straw Cut mulch into soil surface with square edged spade or mulch anchoring tool. Make cuts in contour rows spaced 18” apart. Most successful on contour in sandy soils. Tackifier Hay or Stray Mix and apply tackifiers according to manufacturer's instructions. Do not apply during rain. A 24-hour curing period and sol temperature higher than 45º F required. A Note About the Use of Straw Bales: The best use of straw is for mulch. Straw bales have traditionally been used as a substitute for silt fence or as dikes in drainage ways to attempt to reduce the velocity of runoff. There was also a mistaken belief that they filtered runoff water. However, straw bales act as a barrier, not as a filter and quickly cause concentrated runoff flows to “blow out” to the sides, causing erosion. They should not be used in drainage ways. Straw bales are sometimes successfully used to reinforce properly installed silt fence where an exceptionally secure barrier is needed near a stream or other sensitive area. Bales should be placed with the cut edge on the ground and staked firmly on the down-hill side of the silt fence. The bales will degrade after 2-3 months and will need to be replaced. They should be removed once the site is stabilized. DURING CONSTRUCTION TEMPORARY SOIL EROSION CONTROLS: Silt Fence Silt fence is designed to intercept and detain small amounts of sediments from disturbed areas. It prevents erosion by decreasing the velocity of sheet runoff and depositing sediments on the uphill side of the fence. A typical silt fence consists of a piece of synthetic filter fabric (geotextile) stretched between a series of wooden or metal fence stakes along a horizontal contour level. The stakes are installed on the downhill side of the fence, and the bottom edge of the fabric is trenched into the soil and backfilled on the uphill side. The stormwater slowly passes through the fabric while depositing its sediments on the uphill side of the fence. The fence is not designed to concentrate or channel stormwater. The fence is installed on a site before soil disturbance begins, down-slope from the disturbance area and arranged so that flow can't bypass the fence. The drainage area should be no more than ¼ acre per 100 feet of fence. Silt fence fabric must be solidly embedded a minimum of 6 inches into the ground. It must be maintained or replaced if damaged or torn. When silt accumulations reach 30% of the height of the fabric, it should be removed to ensure adequate storage for the next rain event. Silt fence is not to be used in drainage channels or in areas of concentrated flows. DURING CONSTRUCTION TEMPORARY SWALE A temporary swale is an excavated drainage way built to prevent runoff from entering disturbed area by intercepting and diverting it to a stabilized outlet. A swale will also intercept sediment-laden water and divert it to a sediment trapping device. If a swale is used to prevent flow from entering a disturbed area, a sediment trapping device may not be necessary. Swales collecting runoff from disturbed areas are left in place until these areas are permanenetly stabilized. All temporary swales need to be seeded and mulched. PERIMETER DIKE / SWALE A perimeter dike/swale is a temporary ridge of soil excavated from an adjoining swale located along the edge of the site or disturbed area. It prevents off-site runoff from entering the construction area. Runoff from a disturbed upland area should be diverted to a sediment trapping device, while unoff from a protected or stabilized upland area can go directly onto an undisturbed area. The disturbed area of the dike and swale should be promptly seeded and mulched. DURING AND AFTER CONSTRUCTION PERMANENT EXCAVATED BARRIERS DIVERSION A diversion ditch is a permanent drainage way that controls erosion by slowing down the rate of runoff while intercepting and conveying it to stable outlets. Diversions should be established below stabilized or protected areas, but should not be used on slopes greater than 15%. They should have an adequate outlet such as a grassed waterway, vegetated or paved area, or subsurface drain outlet. All diversions should be seeded and mulched. GRASSED WATERWAY A grassed waterway is a wide, shallow flow channel that conveys runoff down a slope. The waterway is vegetated or lined for the safe movement of runoff water. Waterways can be shaped with a grader or a bulldozer, then lined with gravel or filter cloth and a stone center drain. A stable outlet such as another waterway or stabilized open channel is needed. Waterways should be seeded and mulched. Because vegetation must be well established before diversions or other channels are discharged into them, it may be necessary to use matting or sod as soon as waterways are constructed. If seeding is chosen, select the appropriate seed mixture for the area. Mulch the seeded area using an anchoring material on slopes if needed. AFTER CONSTRUCTION Replace topsoil, seed and mulch bare soil as quickly as possible. Remove temporary barriers and silt fence. Check for problems after heavy precipitation – rain and snow melt. POST-CONSTRUCTION STORMWATER MANAGEMENT Infiltration of stormwater into the ground replenishes the groundwater supply that feeds wells and prevents erosion. Rain gardens are areas designed to absorb stormwater and slow overland runoff. They are also great wildlife habitat and beautiful installations that require very little care after they are established. Raingardens are usually constructed more than 10 feet away from a foundation in the direction where water would naturally flow over the ground. The planted area should be fairly level with a shallow berm on the side away from the house. The berm will act as a level spreader to disperse any overflow evenly over the surface of the landscape. Native plants that are adapted to short intervals of wet soils are selected for planting as they will need no fertilizer or pesticide application. Mulch lightly after planting and weed and water the garden at need for the first year until the plants are established. Native plants will attract birds and butterflies as they provide food and shelter, More information about rain gardens is available at the Soil and Water Conservation District in your county. AFTER CONSTRUCTION LANDSCAPE AREA IMPROVEMENT Establishing grasses, shrubs, trees and other plants will increase its attractiveness while protecting the soil, reducing noise, providing shade and windbreaks and other benefits. Planting deciduous trees on the south side of a house will offer shade – and energy savingsduring the summer and allow sunshine to warm the house during the winter. Planting evergreens where they will provide a windbreak for the driveway in the winter can save snow removal time. Choose plantings that will work with future uses. Think about the size your plantings will be after they reach maturity. Do not plant anything with deep roots near any part of the onsite wastewater treatment system, particularly any plant that has an affinity for water such as willow or swamp maple. Establishing native plants is a rewarding practice. Native plants have adapted to local soil and climate conditions over millenia and will need much less care and chemical inputs than tender species. The less time spent in maintenance, the more time available for enjoying the surroundings. Native animals are adapted to feeding on and living with native plant species. An area of natural meadow willl reward you with butterflies, birds and animals that you won't find living in a lawn of only Kentucky bluegrass. Passage corridors are particularly valuable to wildlife when they connect other areas of natural vetetation or provide cover on the way to a watering area. SOME SOURCES OF INFORMATION Soil and Water Conservation Districts – In Every County Maps, Soils Maps Drainage Advice - Stormwater Managment Technical Assistance Assistance with Permits Ponds and Wetlands Agricultural Districts and Land Valuations Dry Hydrants (fire protection) Conservation Tree and Shrub Sales Farm Pond Fish Stocking Sales Percolation Tests, Onsite Wastewater Treatment Systems Town Offices and Code Enforcement Officers Local Building Codes Permits Zoning Regulations Town Highway Departments Driveway location and culverts Cornell Cooperative Extension Plants, Lawns, Trees Pest control, Herbicides, Pesticides DEC Offices SPDES Permits
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