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HomeMy WebLinkAboutDraft Storm Water Management Ordinance-1995JUN 13 1995 DIVISION OF COASTAL MANAGEMENT Town Of Sunset Beach -t Draft Storm Water Management Ordinance DCM COPY DCM COPY lease do not remove!!!!! Division of Coastal Management June 6, 1995 } TABLE OF CONTENTS Page Section1 Title ................................................. 1 Section 2 Goals and Purposes ........................................ 1 Section 3 Definitions ............................................ 1 Section 4 Scope ................................................ 4 Section 5 General Requirements ................................... 5 Section 6 Summary of State Regulations .............................. 5 Section 7 Mandatory Standards for Existing Development ................. 6 Section 8 Mandatory Standards for New Developments ................... 8 8.1 Protection of Coastal Resources ........................ 8 8.2 Low Density Developments ........................... 8 8.3 High Density Developments ............................ 8 Section 9 e Mandatory Standards for Construction Activities ................ 11 Section 10 Mandatory Standards for Public Education .................... 12 Section 11 Inspections and Investigations ............................. 12 Section 12 Appeals ............................................. 12 Section 13 Penalties ............................................ 13 Section 14 Injunctive Relief ....................................... 13 Section 15 Severability ........................................... 13 Section 16 Effective Date ........................................ 13 Appendices A A Citizen's Guide to Identifying and Reporting Pollution Problems B A Citizen's Guide to Improving Water Quality at Sunset Beach t TOWN OF SUNSET BEACH DRAFT STORM WATER MANAGEMENT ORDINANCE SECTION 1 TITLE This ordinance may be cited as the Town of Sunset Beach Storm Water Management Ordinance. SECTION 2 PURPOSES The central environmental goal of the Town of Sunset Beach is to restore and preserve water quality and the natural ecological functions of the surface waters that are included in its planning area. In order to meet this important goal, the Town of Sunset Beach Storm Water Ordinance will be adopted for the following purposes: A. To regulate existing developments, new developments, and construction activities in a manner consistent with state requirements. B. To establish the authority of the Town of Sunset Beach to administer and enforce storm water regulations. C. To create public education programs so that the citizens of Sunset Beach will have knowledge of how to reduce and prevent pollution from their homes and businesses. SECTION 3 DEFINITIONS For the purposes of this ordinance, the following terms and phrases shall have these definitions: A. "Area of Environmental Concern" means an area identified by the North Carolina Coastal Resources Commission as environmentally fragile and economically important where uncontrolled or incompatible development could result in irreversible damage. B. 'Built -upon Area" means that portion of an individual development project that is covered by impervious or partially impervious cover including buildings, pavement, compacted soil (including coquina and marl), recreation facilities, gravel roads and parking areas, etc. Wood slatted decks and the water area of a swimming pool are not considered to be built -upon area. C. "CAMA" means Coastal Area Management Act which was adopted by North Carolina in 1974. The Act established a comprehensive regional resource management program for the state's twenty county coastal area. The management program that has evolved since 1974 in North Carolina has land use planning, regulatory, land acquisition, and policy development components. D. "CAMA Major Development Permit" means the permit required by the Coastal Resources Commission for developments that infringe on Areas of Environmental Concern. E. "Coastal Wetland" means any salt marsh or other marsh subject to regular or occasional flooding by tides, including wind tides (whether or not the tide waters reach the marshland areas through natural or artificial watercourses), provided this shall not include hurricane or tropical storm tides. Coastal wetlands contain some, but not necessarily all, of ten indigenous wetland plant species. Included in this definition of coastal wetlands is "such contiguous land as the Secretary of EHNR reasonably deems necessary to affect any such order in carrying out the purposes [of the regulations]." (G.S. 113-230(a)). F. "Development" means any land disturbing activity which increases the amount of built -upon area or which otherwise decreases the infiltration of precipitation into the soil. G. "Erosion" means the wearing away of land surface by the action of wind, water, gravity, or any combination thereof. H. "Erosion and Sediment Control Plan" means a written plan, including drawings or other graphic representations, for the control of soil erosion and sedimentation resulting from a land disturbing activity. I. "Estuarine Shoreline" means a non -ocean shoreline connected to the estuarine water which are especially vulnerable to erosion, flooding, and other adverse effects of wind and water. Estuarine shorelines extend from the mean high water level (in areas of tidal influence) or normal water level (in areas without tidal influence) along the estuaries, sounds, bays, and brackish waters for a distance of 75 feet landward unless otherwise set by the Coastal Resources Commission. J. "Estuarine Waters" means all the water of the Atlantic Ocean within the boundary of North Carolina and all the waters of the bays, sounds, rivers, and tributaries thereto seaward of the dividing line between coastal fishing waters, as set forth in the most recent official published agreement adopted by the Wildlife Resources Commission and the Department of Environment, Health, and Natural Resources. 2 K. "Existing Development" means any land which has been used by any person in residential, industrial, educational, institutional, or commercial development, or highway and road construction and maintenance. Existing developments also include subdivisions which have already been platted as of the effective date of this ordinance. L. "Infiltration System" means a storm water treatment system designed to allow runoff to pass or move (infiltrate) into the soil. M. "Land Disturbing Activity" means any use of the land by any person in residential, industrial, educational, institutional or commercial development, highway and road construction and maintenance that results in a change in the natural cover or topography and that may cause or contribute to sedimentation. N. 'New Development" means any land which is utilized for a land -disturbing activity after the effective date of this ordinance. O. "NCAC" means North Carolina Administrative Code. P. 'North Carolina Coastal Resources Commission" means the state policy - making organization with responsibility for the coastal region. Q. "Ocean Hazard Area" means an area where there exists a substantial possibility of excessive erosion and shoreline fluctuation. The seaward limit of this boundary is the mean low water line. R. "Redevelopment" means any rebuilding activity which has no net increase in built -upon area or which provides equal or greater storm water controls than the previous development. S. "SA Waters" means tidal saltwaters of the highest quality which are suitable for commercial shellfishing, swimming, and all other tidal saltwater uses. The chloride concentration of SA waters must be at least 500 parts per million. T. "Sedimentation" means the deposition of solid material, both mineral and organic, that has been transported from its site of origin by air or water. U. "Sedimentation/Erosion Control Plan" means a plan required by the Division of Land Resources in which developers must describe the sedimentation and erosion control devices they will use for land disturbing activities that are one acre or greater. V. "Storm Water" means the flow of water which results from precipitation and which occurs immediately following rainfall or a snowmelt. 3 Summary of State Storm Water Regulations for Sunset Beach NEW DEVELOPMENT Is Development located NO Is Development one NO Development is not in an AEC? acre or greater? subject to State Requirements. YES A CAMA Permit is required. YES Is Development one acre or greater? YES NO. Sedimentation and Erosion Control Plan is required. Is Development within one-half mile of an SA water? NO Development is more than one-half mile from an SA water. YES Low Density: Max. 25% built -upon area. High Density: Control 1.5" of rainfall by infiltration. Low Density: Max. 30% built -upon area. High Density: Control 1.0" of rainfall by infiltration or detention W. "Subdivision" means all divisions of a tract of land into two or more lots, building sites, or other divisions of two acres or less for single ownership for the purpose of sale or building development. X. "Surface Waters" means rivers, streams, creeks, channels, lakes, reservoirs, ponds, drainage systems, springs, wetlands, wells; the Atlantic Ocean, and other bodies of surface or subsurface water, natural or artificial, lying within or forming part of the boundaries of Sunset Beach. This term excludes privately owned ponds which have no entry or exit of water to or from waters of public domain. Y. "10-year, 24-hour Storm" means the storm of the largest intensity expected to occur, on the average, once every 10 years, and of a 24-hour duration. Z. "25-year, 24-hour Storm" means the storm of the largest intensity expected to occur, on the average, once every 25 years, and of a 24-hour duration. AA. "Vegetative Filter" means an area of natural or planted vegetation through which storm water flows in a diffuse manner so that runoff does not become channelized and which provides for control of storm water runoff through infiltration of runoff and filtering of pollutants. The defined length of the filter shall be provided for the direction of storm water flow. BB. "Wet Detention Pond" means a structure that provides for storage and treatment of runoff and includes a permanent pool of water. SEMON 4 SCOPE This ordinance shall apply to the following entities within the jurisdiction of the Town of Sunset Beach: A. All property owners, regardless of their previous practices, shall be subject to the regulations listed under Section 7, Mandatory Standards for Existing Development. B. All new developments, regardless of their size, shall be subject to the regulations listed under Section 8, Mandatory Standards for New Developments. C. All construction activities, whether for new development or improvements on existing development, shall be subject to the regulations listed under Section 9, Mandatory Standards for Construction Activities. D. The Town of Sunset Beach shall be responsible for meeting the requirements of Section 10, Mandatory Standards for Public Education. 4 SECTION 5 GENERAL REQUIRENIENTS A. All visitors, residents, businesses, and developers that utilize the resources of Sunset Beach shall take all reasonable measures to protect surface waters from damage resulting from their- activities. B. Whenever conflicts exist between federal, state, or local laws and this ordinance, the more restrictive provision shall apply. C. Any penalties imposed by the Town of Sunset Beach shall be in addition to the penalties imposed by the state or county. SECTION 6 SUMMARY Or STATE: REGUIXI IONS The responsibility for administering North Carolina's storm water regulations is shared by three divisions of the Department of Environment, Health, and Natural Resources (DEHNR). These divisions are the Division of Environmental Management, the Division of Coastal Management, and the Division of Land Quality. A. The Division of Environmental Management (DEM) administers the requirements set forth in 15A NCAC 2H .1003. This section of the administrative code regulates the density. of developments and mandates standards for engineered storm water controls. DEM recommends maintaining low density developments as the best means for managing storm water. Low density developments limit built -upon surface areas so that grass, trees, and other vegetation may serve as filters for storm water. This development option minimizes the need for costly engineered storm water controls. High density developments must have engineered storm water controls that are designed, constructed, and maintained according to state standards. These controls capture the storm water runoff and hold it for a period of time. During the detention process, pollutants are removed by infiltration and/or sedimentation. B. The Division of Coastal Management administers the Coastal Area Management Act (CAMA). CAMA's goal is to protect Areas of Environmental Concern (AEC), which are fragile areas where incompatible development may result in irreversible damage. CAMA identifies four broad categories of AECs: Estuarine systems, Ocean Hazard Areas, Public Water Supplies, and Natural and Cultural Resource Areas. Within these broad categories, there are 14 subcategories. The subcategories that are most applicable to Sunset Beach are: Coastal Wetlands, Estuarine Waters, Estuarine Shorelines, Public Trust Areas, Ocean Erodible Areas, High E Hazard Flood Areas, Inlet Hazard Flood Areas, and Unvegetated Beach Areas. Any structure to be built in an AEC must be permitted by the Division of Coastal Management and must meet General Use Standards which are listed in CAMA (15A NCAC 7H .0208). For a development in an AEC to be approved, it must be water -dependent and must minimize impacts to the area's soil and ecology. Some examples of water -dependent uses include bulkheads, piers, and marinas. C. The Division of Land Resources administers the Sedimentation Pollution Control Act. This Act requires developers to prepare Erosion and Sedimentation Control Plans for developments that are one acre or larger. The Plan must describe the temporary and permanent control measures the developer will use to prevent accelerated erosion and off -site sedimentation. Sedimentation and erosion control plans must meet certain site performance standards, including re -stabilization of construction sites within a reasonable time period, maintenance of a buffer along any natural watercourse or lake, and protection in the 10-year storm. This act gives local agencies the authority to inspect land -disturbing activities and to prosecute violators. SECTION 7 MANTDATORY STANTDARDS FOR EXISTING DEVELOPMENYT A. No landscaping using impervious materials such as solid plastic and vinyl will be permitted. Property owners must remove any such materials installed after the effective date of this ordinance. Failure to comply within 30 days of notification is subject to a fine of $50 for each incident and day of violation as well as any and all costs of removal. B. Yard wastes, including dredge spoil, leaves, and yard trimmings, may not be deposited into surface waters. Acceptable management practices for yard wastes include composting and landfilling. Persons who deposit yard wastes into surface waters are subject to a fine of $200 for each incident of violation as well as any and all. costs of removal, cleanup and remediation. C. Septic systems must pumped and maintained on a regular basis according to local regulations to prevent contaminated wastewater from discharging to surface waters. Owners of systems that are found to be discharging to surface waters will be given seven calendar days to correct such conditions. Property owners ,%vho fail to comply following this seven day period will be subject to a fine of $200 for each incident and day of violation as well as any and all costs of cleanup and remediation. 6 D. Hazardous compounds must not be discharged to a septic system. Such compounds include but are not limited to paint, paint thinner, solvents, .pesticides, and petroleum products. Persons who discharge these hazardous substances into septic systems. are subject to a fine of $200 for each incident of violation as well as any and all costs of removal, cleanup, and remediation. E. All label directions must be followed so that fertilizers and pesticides are mixed and applied correctly and at the proper time. The label is a legal document. Persons who incorrectly mix or apply chemicals are subject to a fine of $200 for each incident of violation, as well as any and all costs of removal, cleanup, and remediation. F. Chemicals on both commercial and residential property must be stored in properly built and maintained storage facilities. Persons who do not store chemicals safely will be given seven calendar days to correct such conditions. Failure to comply following this seven-day period will be subject to a fine of $200 for each incident and day of violation as well as any and all costs of removal, cleanup, and remediation. G. Illegal discharges degrade water quality and are strictly prohibited. The following direct discharges resulting from the improper disposal of such materials into surface waters are unlawful. Violators will be subject to a fine of $200 for each incident and day of violation as well as any and all costs of removal, cleanup, and remediation. (1) Sewage or biosolids. (2) Polluted household wastewater, including but not limited to laundry wash water and dishwater. (3) Leaking sanitary sewers and connections, which have remained uncorrected for three days or more after seven days notice. (4) Leaking water lines with flows sufficient to cause soil erosion which have remained uncorrected for three days or more after seven days notice. (5) Commercial, industrial, or public vehicle, vessel, or equipment wash discharge. (6) Solid, chemical, or sanitary waste.. (7) Dead terrestrial animals or animal fecal waste. (8) Petroleum products or derivatives thereof. 7 (9) Wrecked or discarded vehicles or equipment. (10) Trash, refuse, or garbage. SEcnON 8.0 MANDATORY STANTDAIiDS FOIL NrNN, DrNT-LOPMENTTS All new developments must comply with the regulations listed under Section 8.1 and the regulations listed under either Section 8.2 or 8.3. Any development which fails to comply with the requirements listed below will be subject to a $500 fine for each violation and other actions or penalties as may be authorized by the Town of Sunset Beach. SECTION 8.1 PROTECTION OF COASTAL RESOURCES A. New developments may not infringe upon surface waters unless the proper approvals have been obtained from the state. B. The Town of Sunset Beach will require certification from developers that are infringing on surface waters that all necessary approvals have been obtained from the state. SECTION 8.2 LOW DENSITY DEVELOPMENTS A. "To be considered "Low Density," a development must have a built -upon area of 25 percent or less per lot, and must not have an on -site storm water collection system. Developments that do not meet these requirements will be considered High Density and will be subject to the requirements for High Density Developments. B. Cluster development that has an overall built -upon area of 25 percent may also be considered Low Density if the proper state approvals are obtained. In this case, the Town of Sunset Beach will require certification that developers have obtained state approval. C. Low Density Developments are not required to include any engineered storm water controls. SECTION 8.3 HIGH DENSITY DEVELOPMENTS A. High Density Developments that are within one-half mile of waters classified as SA must meet the following requirements: (1) Direct outlet channels to SA waters are prohibited unless they are permitted by the State. 9 (2) Infiltration is the only acceptable method of storm water control for High Density Developments within one-half mile of SA waters. Infiltration control systems must be designed to control the runoff generated by one and one-half inches of rainfall falling in one hour. (3) Runoff resulting from rainfall in excess of one and one-half inches falling in one hour must be directed to flow overland through a vegetative filter with a minimum width of 50 feet measured from mean high water of SA waters. B. High Density Developments that are not within one-half mile of waters classified as SA must meet the following requirements: (1) Infiltration control systems must be designed to control the runoff generated by one inch of rainfall falling in one hour. (2) Wet detention ponds must be designed for 85 percent removal of total suspended solids in the permanent pool and storage of runoff from a one -inch rainfall from the site above the permanent pool. (3) Vegetative filters are required for the overflow and discharge of all storm water wet detention ponds. C. Infiltration systems must meet the following current standards: (1) Infiltration systems shall be a minimum of 30 feet from surface waters and a minimum of 50 feet from Class SA waters. (2) The lowest point of infiltration systems must be a minimum of two feet above the seasonal high water table. (3) Infiltration systems must be designed such that runoff in excess of the design volume bypasses the system and does not flush pollutants through the system. (4) Soils must have a minimum hydraulic conductivity of 0.52 inches per hour to be suitable for infiltration. (5) Infiltration systems may not be sited in or on fill material. (6) Infiltration systems must be designed to completely draw down to pre -storm levels within five days. (7) Infiltration systems must have an observation well to allow for inspection of the system. 0 (8) The system must be sized for any off -site runoff, or the off -site runoff must bypass the system. D. Wet detention ponds may be used as a primary treatment device for storm water not draining to SA waters, or as a secondary device following an infiltration system. Current State requirements for wet detention ponds are as follows: (1) The design storage volume must be above the permanent pool. (2) The discharge rate from these systems following the one -inch rainfall design storm shall be such that the runoff is drawn down to the permanent pool level in a period not less than two days or more than five days. (3) The mean depth shall be a minimum of three feet. (4) The inlet structure must be designed to minimize turbulence using baffles or other appropriate design features. (5) Pretreatment by the use of infiltration swales is encouraged to minimize sedimentation and eu trophi cation of the detention pond. E. Vegetative filters must meet the following current State standards: (1) A distribution device such as a Swale must be used to provide even distribution of runoff over the length of the vegetative filter. (2) The slope of the vegetative filter must be determined so as to provide a non -erosive velocity of flow through the filter for a 10- year, 24-hour design storm and it must have a slope of five percent or less. (3) Vegetation in the filter may be natural vegetation, grasses, or artificially planted wetland vegetation appropriate for the site characteristics. (4) The vegetative filter must have a minimum width of 50 feet measured from the mean high water mark. F. The developer must provide a signed and notarized operation and maintenance plan or manual for storm water systems, indicating what operation and maintenance actions are needed, what specific quantitative criteria will be used for determining when those actions are to be taken, and who is responsible for those actions. 10 G. Roadway drainage systems and storm water control systems must be designed by a professional engineer licensed in the State of North Carolina. SECTION 9 MANDATORY STANDARDS FOR CONSTRUCTION ACTIVITIES Construction activities which fail to comply with these regulations will be subject to a $500 fine for each violation and other actions or penalties as may be authorized by the Town of Sunset Beach. A. The Town of Sunset Beach will require developers to furnish copies of all necessary State certification. B. Any person conducting a land -disturbing activity must install sedimentation and erosion control devices that have been designed to retain all sediment within the boundaries of the site during the 25-year, 24-hour storm. C. A 50-foot vegetated buffer strip must be retained or established adjacent to any surface water bordering a land -disturbing activity. If the land - disturbing activity is water -dependent (eg. bulkheads, piers, marinas, and bridges) and thus it is not feasible, then the activity may be permitted with the appropriate approvals from either the state or the local permitting officer. D. If runoff from land -disturbing activities is directed to an engineered infiltration system during construction of the project, the system must be restored to design specifications after the project is complete and the entire drainage project area is stabilized. E. All debris and trash must be contained on -site during construction. All garbage receptacles must have high sides or covers to prevent the airborne transport of debris such as plastic and paper. In addition, hazardous materials used during the construction process must be stored and disposed of properly to ensure that they do not enter surface waters. F. During construction, the person or firm responsible for site development is responsible for maintenance of the erosion and sedimentation control practices installed. The landowner may also be held responsible. After construction is complete, all responsibility passes to the landowner. G. Within 30 days of completion or temporary suspension of land disturbing activities, the land surface must be left so that it will not erode, using methods including, but not limited to, revegetation, mulching, or rip - rapping. 11 SECTION 10 MANDATORY STANDARDS FOR Pum.IC EDUCATION A. The Town of Sunset Beach will promote, encourage, and facilitate public education programs on storm water management. B. The public must be informed of how to identify and report pollution violations and water quality problems. Such actions and conditions shall be reported to the Town Administrator. Serious violations may be reported to the Department of Health and Natural Resources in Wilmington. (See Appendix A for a suggested format for public distribution materials on this topic.) C. The public must be informed of how to minimize water pollution in their homes and businesses. Some of the issues that shall be addressed are lawn and garden care, use of household chemicals, motor vehicle care, septic tank maintenance, and pet care. (See Appendix B for a suggested format for public distribution materials on this topic.) D. Any brochures printed by the Town must also be made available on audio tape for the handicapped. SECTION 11 INSPECTIONS AND INVESTIGATIONS The Town of Sunset Beach shall have the power- to conduct inspections and investigations as it may reasonably deem necessary to carry out its duties as prescribed in this ordinance. The Town may enter at reasonable times upon any property, public or private, for the purposes of investigation and inspection. No person shall refuse entry or access to any authorized representative or agent of the Town of Sunset Beach who requests entry for the purposes of inspection, and who presents appropriate credentials, nor shall any person obstruct, hamper, or interfere with any such representative while in the process of carrying out his or her official duties. SECTION 12 APPEALS If it is determined that a person has failed to comply with this ordinance, a notice of violation shall be served upon that person by registered or certified mail or other reasonable means to give actual notice. The notice shall set forth the measures necessary to achieve compliance with the plan and specify a reasonable time period within which such measures must be completed. The notice will warn that failure to correct the violation within the time period will result in the assessment of a civil penalty or other enforcement action. If the person in violation of this ordinance fails to comply within the time specified, enforcement action will be initiated. 12 SECTION 13 PENALTIES Any person who violates any of the provisions of this ordinance shall be subject to the appropriate stated fine. No penalty shall be assessed until the person alleged to be in violation has been notified of the violation by registered or certified mail, return receipt requested or other reasonable means to give actual notice. SECTION 14 INTJUNCTi« RELIEF A. Whenever the governing body has reasonable cause to believe that any person is violating or threatening to violate this ordinance, it may institute a civil action in the name or the Town of Sunset Beach for injunctive relief to restrain the violation or threatened violation. The action shall be brought in the superior court of Brunswick County. B. Upon a finding by the court that an alleged violation is occurring or is threatened, it shall enter such orders or judgements as are necessary to abate the violations or to prevent the threatened violation. The institution of an action for injunctive relief under this section shall not relieve any party to such proceedings from any civil or criminal penalty prescribed for violations of this ordinance. SECTION 15 SEVERABILTTY If any section or sections or this ordinance is/are held to be invalid or unenforceable, all other sections shall nevertheless continue in full force and effect. SECTION 16 EFFECTn'E DATE This ordinance shall be in effect at the time of passage by the Town Council. 13 APPENTDTX A: A CITIZEN's GUIDE TO IDENTIFYING AND REPORTING POLLITTION PROBLEMS It is very important for you, as a citizen of the Town of Sunset Beach, to report problems when observed so that the appropriate government agency can take immediate action. Public reporting of pollution problems allows us to more efficiently keep our community clean and environmentally safe. Be on the lookout for these common pollution problems: 1. Unprotected areas of bare soil on a construction site or on any other site. Construction sites must have erosion control structures such as siltation fences and vegetated filters. In addition, no construction site should be left without vegetation for longer than 30 working days after work on the site has been completed. Under no circumstances should bare soil be left within 50 feet of a wetland or waterway. 2. Illegal dumping and illegal dump sites. Look for debris dumped in creeks and along roadsides by companies and individuals trying to avoid landfill fees. 3. Discharges to creeks. wetlands. or the ocean. Look for channels running directly from a home or business to a wetland or a natural waterway. In addition, look for pipes that discharge directly to a natural waterway. 4. Oil and other chemical spills. Oil appears as a shiny slick on the surface of natural waters. Other- chemical spills may be identified when water has an unusual color or odor. 5. Sewer and septic system leaks fi-om pines and manholes. Usually, the best way to identify sewer and septic problems is the odor! If you sense a problem, try to identify the source. 6. Degraded water. Some things to look for include bright green algal growth, unusual odors, and dead aquatic life. To report pollution problems: 1. If you see a pollution violation such as illegal dumping in progress, write down important information such as license plate numbers and company names. If possible, you should take photographs as evidence. This information will be used to hold polluters accountable. 2. Report pollution violations and water pollution problems to the Town Administrator at 579-6297. At your request, the Town Administrator will maintain your confidentiality. A-1 3. If the violation is of a very serious nature, you may report problems directly to the NC Department of Environment, Health, and Natural Resources in Wilmington at (910) 395-3900. Once you describe the nature of the problem, you will be directed to the appropriate person and agency. A-2 APPENDIX B: A CI'fIZEN's GUIDE TO IMPROVING NN�ATER.QUAurY AT SUNSET BEACH Clean water and a healthy environment start with you and your neighbors. This list offers many easy and inexpensive ideas that will benefit water quality at Sunset Beach. By practicing these suggestions, you will be doing your part for a cleaner and healthier environment. Lawn and Garden Care: Well -maintained lawns and gardens can be a real benefit to water quality and the local community. They add beauty, control erosion, filter runoff from adjacent hard surfaces, reduce dust, and help moderate summer heat. However, lawns and gardens are often the reason for excessive water use and unnecessary applications of fertilizer. To help: - Reduce soil erosion by planting appropriate plant cover on bare patches of ground. - Do not apply pesticides or fertilizer if heavy rain is expected. - Use only fertilizers that are really needed, based on soil tests and specific needs of your plants. The Agricultural Extension Center will test soils for free, and some nurseries may also offer this service. - Keep fertilizer off driveways and sidewalks where it will be washed into storm drains. - Remember that it is illegal to dump yard waste into creeks, ponds, wetlands, and the ocean. Yard waste may be either composted or landfilled. - When removing mildew front your house or roof, use the most dilute solution of cleaner that will do the job. If possible, use biodegradable products. - Contact your County Extension Agent at (910) 253-4425 for information on plant and integrated pest management (reducing the application of chemicals by using natural controls). Household Chemicals: Most households contain numerous chemicals that can be dangerous if released into the environment, such as: spot remover, furniture polish, deodorizers, drain cleaner, oven cleaner, disinfectants, ammonia, paint and other finishes, thinners and solvents, batteries, and swimming pool chemicals. These chemicals can become pollutants if residues are poured down home drains or onto the land surface. To help: - Select the least toxic products that will do the job, and use only when necessary. - Use only recommended amounts and do not mix chemicals. - Do not apply chemicals near creeks, wetlands, or the ocean. - Stuff used cans of paint with newspapers and allow to dry before putting the cans into the trash. - Never pour household chemicals down the drain or onto the ground. Motor Vehicles: The oil from a single automobile can produce an eight -acre oil slick, and a single quart of motor oil can contaminate as much as two million gallons of drinking water. Used oil, antifreeze, and other motor vehicle fluids are often dumped on land or into roadside ditches. To help: - Maintain motor vehicles and repair leaks promptly. - Dispose of used motor oil in oil recycling centers. Advance Auto Parts in Shallotte will take used oil and car batteries. Arrange with local service stations or recycling centers to take your used antifreeze. Sommerset's Radiator and Body Shop in Shallotte will take used antifreeze. - Avoid gas tank overflows during refueling. - Take your car to a commercial car wash where the cleaning water is discharged to a treatment plant. If you do wash your car at home, use a non -toxic and biodegradable detergent. Septic Tanks: Septic systems depend upon bacterial action and soils to absorb the outflow of household wastewater. If the drain field is damaged or the soil becomes saturated, nearby surface waters may become contaminated with sewage products. - Do not overload the system by allowing an inappropriately large number of people to share a single dwelling. - Avoid putting household chemicals down the drain that could destroy bacteria. - Consider giving up garbage disposals that' add unnecessary solids and grease to the system. - Do not flush or pour down the drain: grease, coffee grounds, cigarettes, facial tissues and paper towels, sanitary products, and disposable diapers. - Keep automobiles and heavy equipment off the system. - Maintain adequate vegetative cover over the drain field. - Follow the guideline below to determine how frequently to have your septic tank pumped. Estimating Septic Tank Inspection and Pumping Frequency in Years Tank Size Dumber- of People Using the System gallons) 1 2 4 6 8 900 11 5 2 1 <1 1,000 12 6 3 2 1 1,250 16 8 3 2 1 1,500 19 9 4 3 2 Source: Adapted from 'Emimated Scptic Tank Pumping Frequency" by Karen Mand, 1984, loumal of Environmental Engineering. Volume 110. Hard Surfaces: Hard surfaces such as paved roads, driveways, rooftops, and parking lots cause rapid runoff of rain water. As water flows from hard surfaces, it captures pollutants before it is discharged into our waterways. On the other hand, natural, vegetated areas improve water quality by soaking up and cleansing rain. To help: - On your property, try to limit the area of impervious surfaces such as concrete, brick, highly compacted gravel, crushed shell, coquina, and covered decks. Boats: Recreational boaters use a variety of cleaners, finishes, and antifouling compounds, and are often responsible for discharging garbage, sewage, and petroleum products into our waterways. Boats that create excessive wakes contribute to shoreline erosion and increase sediment loads to adjacent waterways. To help: - Avoid producing wakes within 500 feet of shore. - Scrub boats with brush and water- instead of routinely using soap or detergent. If cleaners are needed to remove stains, use phosphate -free detergents. - Do not discharge boat sewage or trash into waterways. - Use a drop cloth when scraping boat hulls to catch toxic chips of paint or antifouling. Animal Waste: Animal wastes are high in nutrients and bacteria which can contribute to excessive plant growth in waterways as well as closure of shellfishing beds and swimming areas. To help: - Clean up after pets and dispose of wastes in the trash or toilet. B-3 DCM COPY Please do not remove from Division of Coastal Management. Thank you. .