[Ord. No. 738 §1, 4-15-2004]
The terms used in this Chapter shall have the following meanings:
BEST MANAGEMENT PRACTICES
Activities, practices, and procedures to prevent or reduce the discharge of pollutants directly or indirectly to the municipal storm drain system and waters of the United States. Best Management Practices include but are not limited to: treatment facilities to remove pollutants from stormwater; operating and maintenance procedures; facility management practices to control runoff, spillage or leaks of non-stormwater, waste disposal, and drainage from materials storage; erosion and sediment control practices; and the prohibition of specific activities, practices, and procedures and such other provisions as the City determines appropriate for the control of pollutants.
CITY
The City of Dardenne Prairie.
CLEAN WATER ACT
The federal Water Pollution Control Act (33 U.S.C. §1251 et seq.)and any subsequent amendments thereto.
CONSTRUCTION ACTIVITY
Activities subject to NPDES Construction Permits. These include construction projects resulting in land disturbance of five (5) acres or more. Such activities include but are not limited to clearing and grubbing, grading, excavating and demolition.
HAZARDOUS MATERIALS
Any material, including any substance, waste or combination thereof, which because of its quantity, concentration or physical, chemical or infectious characteristics may cause, or significantly contribute to, a substantial present or potential hazard to human health, safety, property or the environment when improperly treated, stored, transported, disposed of, or otherwise managed.
ILLEGAL DISCHARGE
Any direct or indirect non-stormwater discharge to the storm drain system, except as exempted in Section 510.060.
ILLICIT CONNECTIONS
An illicit connection is defined as either of the following:
1. 
Any drain or conveyance, whether on the surface or subsurface, which allows an illegal discharge to enter the storm drain system including but not limited to any conveyances which allow any non-stormwater discharge including sewage, process wastewater and wash water to enter the storm drain system and any connections to the storm drain system from indoor drains and sinks, regardless of whether said drain or connection had been previously allowed, permitted or approved by a government agency; or
2. 
Any drain or conveyance connected from a commercial or industrial land use to the storm drain system which has not been documented in plans, maps or equivalent records and approved by the City.
INDUSTRIAL ACTIVITY
Activities subject to NPDES Industrial Permits as defined in 40 CFR, Section 122.26 (b)(14).
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) STORMWATER DISCHARGE PERMITS
General, group and individual stormwater discharge permits which regulate facilities defined in federal NPDES regulations pursuant to Section 402 of the Clean Water Act.
NON-STORMWATER DISCHARGE
Any discharge to the storm drain system that is not composed entirely of stormwater.
POLLUTANT
Anything which causes or contributes to pollution. Pollutants may include, but are not limited to: paints, varnishes and solvents; oil and other automotive fluids; non-hazardous liquid and solid wastes and yard wastes; refuse, rubbish, garbage, litter or other discarded or abandoned objects, articles and accumulations, so that same may cause or contribute to pollution; floatables; pesticides, herbicides and fertilizers; hazardous substances and wastes; sewage, fecal coliform and pathogens; dissolved and particulate metals; animal wastes; wastes and residues that result from constructing a building or structure (including, but not limited to, sediments, slurries and concrete rinsates); and noxious or offensive matter of any kind.
POLLUTION
The human-made or human-induced alteration of the quality of waters by waste to a degree which unreasonably affects, or has the potential to unreasonably affect, either the waters for beneficial uses or the facilities which serve these beneficial uses.
PREMISES
Any building, lot, parcel of land, or portion of land whether improved or unimproved including adjacent sidewalks and parking strips.
STORM DRAIN SYSTEM
Publicly-owned facilities operated by the City by which stormwater is collected and/or conveyed, including, but not limited to, any roads with drainage systems, municipal streets, gutters, curbs, inlets, piped storm drains, pumping facilities, retention and detention basins, natural and human-made or altered drainage channels, reservoirs and other drainage structures which are within the City and are not part of a publicly owned treatment works as defined at 40 CFR Section 122.2.
STORMWATER
Any surface flow, runoff and drainage consisting entirely of water from rain storm events.
WATERS OF THE UNITED STATES
Surface watercourses and water bodies as defined at 40 CFR §122.2. including all natural waterways and definite channels and depressions in the earth that may carry water, even though such waterways may only carry water during rains and storms and may not carry stormwater at and during all times and seasons.
[Ord. No. 738 §2, 4-15-2004]
This Chapter shall apply to all water entering the storm drain system generated on any developed and undeveloped lands lying within the City of Dardenne Prairie including any amendments or revisions thereto.
[Ord. No. 738 §3, 4-15-2004]
The City Engineer of the City shall administer, implement and enforce the provisions of this Chapter. Any powers granted or duties imposed upon the City Engineer may be delegated in writing by the City Engineer to persons or entities acting in the beneficial interest of or in the employ of the City.
[Ord. No. 738 §4, 4-15-2004]
A. 
In any instance in which the State government or Federal government modifies an existing regulation or promulgates a new regulation which establishes treatment, pretreatment or discharge standards or requirements for new or existing users which are more stringent than those contained in this Chapter, such State or Federal requirements shall, on the effective date of the new regulations, supersede the less stringent provisions of this Chapter and shall be fully enforceable under this Chapter as if fully set out herein.
B. 
In any instance in which a State, Federal or local government agency imposes restrictions or limitations on the use of or discharges to any facilities regulated by this Chapter which are more stringent than the provisions of this Chapter, such restrictions or limitations shall take precedence within the jurisdictional area of the State, Federal or local government agency.
[Ord. No. 738 §5, 4-15-2004]
The standards set forth herein and promulgated pursuant to this Chapter are minimum standards; therefore this Chapter does not intend nor imply that compliance by any person will ensure that there will be no contamination, pollution, nor unauthorized discharge of pollutants into waters of the United States caused by said person. This Chapter shall not create liability on the part of the City of Dardenne Prairie, or any agent or employee thereof for any damages that result from any discharger's reliance on this Chapter or any administrative decision lawfully made thereunder.
[Ord. No. 738 §6, 4-15-2004]
A. 
No person shall discharge or cause to be discharged into the municipal storm drain system or watercourses any materials including, but not limited to, pollutants or waters containing any pollutants that cause or contribute to a violation of applicable water quality standards, other than stormwater. The commencement, conduct or continuance of any illegal discharge to the storm drain system is prohibited except as described as follows:
1. 
Discharges from the following activities will not be considered a source of pollutants to the storm drain system and to waters of the United States when properly managed to ensure that no potential pollutants are present, and therefore they shall not be considered illegal discharges unless determined to cause a violation of the provisions of any State law, the Clean Water Act, or this Chapter: potable water line flushing; uncontaminated pumped groundwater and other discharges from potable water sources; landscape irrigation and lawn watering; diverted stream flows; rising groundwater; groundwater infiltration to the storm drain system; uncontaminated foundation and footing drains; uncontaminated water from crawl space pumps; air conditioning condensation; uncontaminated non-industrial roof drains; springs; individual residential and occasional non-commercial car washing; flows from riparian habitats and wetlands; dechlorinated swimming pool discharges; street wash waters; and flows from fire fighting.
2. 
The prohibition shall not apply to any non-stormwater discharge permitted under an NPDES permit, waiver or waste discharge order issued to the discharger and administered by the State of Missouri under the authority of the Federal Environmental Protection Agency, provided that the discharger is in full compliance with all requirements of the permit, waiver or order and other applicable laws and regulations, and provided that written approval has been granted by the City of Dardenne Prairie for any discharge to the storm drain system.
[Ord. No. 738 §7, 4-15-2004]
A. 
The construction, use, maintenance or continued existence of illicit connections to the storm drain system is prohibited.
B. 
This prohibition expressly includes, without limitation, illicit connections made in the past, regardless of whether the connection was permissible under law or practices applicable or prevailing at the time of connection.
[Ord. No. 738 §8, 4-15-2004]
No person shall throw, deposit, leave, maintain, keep or permit to be thrown, deposited, left or maintained, in or upon any public or private property, driveway, parking area, street, alley, sidewalk, component of the storm drain system or water of the United States, any refuse, rubbish, garbage, litter or other discarded or abandoned objects, articles and accumulations, so that the same may cause or contribute to pollution. Wastes deposited in streets in proper waste receptacles for the purposes of collection are exempted from this prohibition.
[Ord. No. 738 §9, 4-15-2004]
Any person subject to an industrial or construction activity NPDES stormwater discharge permit shall comply with all provisions of such permit. Proof of compliance with said permit may be required in a form acceptable to the City Engineer prior to or as a condition of a subdivision map, site plan, building permit, or development or improvement plan; upon inspection of the facility; during any enforcement proceeding or action; or for any other reasonable cause.
[Ord. No. 738 §10, 4-15-2004]
A. 
Authorization To Adopt And Impose Management Plans. Management plans for the control of accidental discharges or slug discharges shall be provided when required by State or Federal regulations.
B. 
New Development And Redevelopment. The City may adopt requirements identifying appropriate management plans to control the volume, rate and potential pollutant load of stormwater runoff from new development and redevelopment projects as may be appropriate to minimize the generation, transport and discharge of pollutants. The City shall incorporate such requirements in any land use entitlement and construction or building-related permit to be issued relative to such development or redevelopment. The owner and developer shall comply with the terms, provisions and conditions of such land use entitlements and building permits as required in this Chapter and other applicable Ordinances of the City.
C. 
Responsibility To Implement Management Plans. Notwithstanding the presence or absence of requirements promulgated pursuant to Subsections (A) and (B), any person engaged in activities or operations, or owning facilities or property which will or may result in pollutants entering stormwater, the storm drain system, or waters of the United States shall implement management plans to the extent they are technologically achievable to prevent and reduce such pollutants. The owner or operator of a commercial or industrial establishment shall provide reasonable protection from accidental discharge of prohibited materials or other wastes into the municipal storm drain system or watercourses. Facilities to prevent accidental discharge of prohibited materials or other wastes shall be provided and maintained at the owner or operator's expense.
[Ord. No. 738 §11, 4-15-2004]
Notwithstanding the requirements of Section 510.180 herein, the City Engineer may require by written notice that a person responsible for an illegal discharge immediately, or by a specified date, discontinue the discharge and, if necessary, take measures to eliminate the source of the discharge to prevent the occurrence of future illegal discharges.
[Ord. No. 738 §12, 4-15-2004]
A. 
The City Engineer may require by written notice that a person responsible for an illicit connection to the storm drain system comply with the requirements of this Chapter to eliminate or secure approval for the connection by a specified date, regardless of whether or not the connection or discharges to it had been established or approved prior to the effective date of this Chapter.
B. 
If, subsequent to eliminating a connection found to be in violation of this Chapter, the responsible person can demonstrate that an illegal discharge will no longer occur, said person may request City approval to reconnect. The reconnection or reinstallation of the connection shall be at the responsible person's expense.
[Ord. No. 738 §13, 4-15-2004]
Every person owning property through which a watercourse passes, or such person's lessee, shall keep and maintain that part of the watercourse within the property reasonably free of trash, debris, excessive vegetation, and other obstacles that would pollute, contaminate, or significantly retard the flow of water through the watercourse. In addition, the owner or lessee shall maintain existing privately owned structures within or adjacent to a watercourse, so that such structures will not become a hazard to the use, function or physical integrity of the watercourse. The owner or lessee shall not remove healthy bank vegetation beyond that actually necessary for maintenance, nor remove said vegetation in such a manner as to increase the vulnerability of the watercourse to erosion. The property owner shall be responsible for maintaining and stabilizing that portion of the watercourse that is within their property lines in order to protect against erosion and degradation of the watercourse originating or contributed from their property.
[Ord. No. 738 §14, 4-15-2004]
Whenever the City Engineer finds that a discharge of pollutants is taking place or has occurred which will result in or has resulted in pollution of stormwater, the storm drain system, or water of the United States, the City Engineer may require by written notice to the owner of the property and/or the responsible person that the pollution be remediated and the affected property restored within a specified time pursuant to the provisions of Sections 510.200 through 510.230.
[Ord. No. 738 §15, 4-15-2004]
The City Engineer may require by written notice of requirement that any person engaged in any activity and/or owning or operating any facility which may cause or contribute to stormwater pollution, illegal discharges, and/or non-stormwater discharges to the storm drain system or waters of the United States, to undertake at said person's expense such monitoring and analyses and furnish such reports to the City of Dardenne Prairie as deemed necessary to determine compliance with this Chapter.
[Ord. No. 738 §16, 4-15-2004]
Notwithstanding other requirements of law, as soon as any person responsible for a facility or operation, or responsible for emergency response for a facility or operation has information of any known or suspected release of materials which are resulting or may result in illegal discharges or pollutants discharging into stormwater, the storm drain system, or water of the United States from said facility, said person shall take all necessary steps to ensure the discovery, containment and cleanup of such release. In the event of such a release of a hazardous material said person shall immediately notify emergency response officials of the occurrence via emergency dispatch services (911). In the event of a release of non-hazardous materials, said person shall notify the City Engineer in person or by phone or facsimile no later than 5:00 P.M. of the next business day. Notifications in person or by phone shall be confirmed by written notice addressed and mailed to the City Engineer within three (3) business days of the phone notice. If the discharge of prohibited materials emanates from a commercial or industrial establishment, the owner or operator of such establishment shall also retain an on-site written record of the discharge and the actions taken to prevent its recurrence. Such records shall be retained for at least three (3) years.
[Ord. No. 738 §17, 4-15-2004]
Whenever necessary to make an inspection to enforce any provision of this Chapter, or whenever the City Engineer has cause to believe that there exists, or potentially exists, in or upon any premises any condition which constitutes a violation of this Chapter, the City Engineer may enter such premises at all reasonable times to inspect the same and to inspect and copy records related to stormwater compliance. In the event the owner or occupant refuses entry after a request to enter and inspect has been made, the City is hereby empowered to seek assistance from any court of competent jurisdiction in obtaining such entry.
[Ord. No. 738 §18, 4-15-2004]
During any inspection as provided herein, the City Engineer may take any samples and perform any testing deemed necessary to aid in the pursuit of the inquiry or to record site activities.
[Ord. No. 738 §19, 4-15-2004]
A. 
Whenever the City Engineer finds that a person has violated a prohibition or failed to meet a requirement of this Chapter, the City Engineer may order compliance by written notice of violation to the responsible person. Such notice may require without limitation:
1. 
The performance of monitoring, analyses and reporting;
2. 
The elimination of illicit connections or discharges;
3. 
That violating discharges, practices or operations shall cease and desist;
4. 
The abatement or remediation of stormwater pollution or contamination hazards and the restoration of any affected property; and
5. 
Payment of a fine to cover administrative and remediation costs; and
6. 
The implementation of source control or treatment management plans.
If abatement of a violation and/or restoration of affected property is required, the notice shall set forth a deadline within which such remediation or restoration must be completed. Said notice shall further advise that, should the violator fail to remediate or restore within the established deadline, the work will be done by the City or a contractor designated by the City Engineer and the expense thereof shall be charged to the violator pursuant to Section 510.220.
[Ord. No. 738 §20, 4-15-2004]
Notwithstanding the provisions of Section 510.240, any person receiving a Notice of Violation under Section 510.190 may appeal the determination of the City Engineer to the Board of Aldermen. The notice of appeal must be received by the Board of Aldermen within five (5) days from the date of the Notice of Violation. Hearing on the appeal before the Board of Aldermen or his/her designee shall take place within fifteen (15) days from the date of City's receipt of the notice of appeal. The decision of the Board of Aldermen or designee shall be final.
[Ord. No. 738 §21, 4-15-2004]
If the violation has not been corrected pursuant to the requirements set forth in the Notice of Violation or, in the event of an appeal under Section 510.200 within ten (10) days of the decision of the Board of Aldermen upholding the decision of the City Engineer, then the City or a contractor designated by the City Engineer shall enter upon the subject private property and is authorized to take any and all measures necessary to abate the violation and/or restore the property. It shall be unlawful for any person, owner, agent or person in possession of any premises to refuse to allow the City or designated contractor to enter upon the premises for the purposes set forth above.
[Ord. No. 738 §22, 4-15-2004]
Within thirty (30) days after abatement of the nuisance by City, the City Engineer shall notify the property owner of the property of the cost of abatement, including administrative costs. The property owner may file a written protest objecting to the amount of the assessment with the City Clerk within fifteen (15) days. The City Clerk shall set the matter for public hearing by the Board of Aldermen. The decision of the Board of Aldermen shall be set forth by resolution and shall be final. If the amount due is not paid within ten (10) days of the decision of the Board of Aldermen or the expiration of the time in which to file an appeal under this Section, the charges shall become a special assessment against the property and shall constitute a lien on the property for the amount of the assessment. A copy of the resolution shall be turned over to the County Assessor so that the assessor may enter the amounts of the assessment against the parcel as it appears on the current assessment roll, and the tax collector shall include the amount of the assessment on the bill for taxes levied against the parcel of land.
[Ord. No. 738 §23, 4-15-2004]
The City Engineer is authorized to require immediate abatement of any violation of this Chapter that constitutes an immediate threat to the health, safety or well-being of the public. If any such violation is not abated immediately as directed by the City Engineer, the City of Dardenne Prairie is authorized to enter onto private property and to take any and all measures required to remediate the violation. Any expense related to such remediation undertaken by the City of Dardenne Prairie shall be fully reimbursed by the property owner and/or responsible party. Any relief obtained under this Section shall not prevent City from seeking other and further relief authorized under this Chapter.
[Ord. No. 738 §24, 4-15-2004]
It shall be unlawful for any person to violate any provision or fail to comply with any of the requirements of this Chapter. Any person found guilty of a failure to comply with any of the requirements of this Chapter shall be guilty of a misdemeanor punishable by a fine of not more than five hundred dollars ($500.00) or imprisonment for a period of not more than ninety (90) days. Each day in which any such violation shall continue shall be deemed a separate offense.
[Ord. No. 738 §25, 4-15-2004]
In lieu of enforcement proceedings, penalties and remedies authorized by this Chapter, the City Engineer may impose upon a violator alternative compensatory actions, such as storm drain stenciling, attendance at compliance workshops, creek cleanup, etc.
[Ord. No. 738 §26, 4-15-2004]
In addition to the enforcement processes and penalties hereinbefore provided, any condition caused or permitted to exist in violation of any of the provisions of this Chapter is a threat to public health, safety and welfare, and is declared and deemed a nuisance, and may be summarily abated or restored by the City at the violator's expense, and/or a civil action to abate, enjoin or otherwise compel the cessation of such nuisance may be taken by the City.
[Ord. No. 738 §27, 4-15-2004]
Any person who violates any provision of this Chapter or any provision of any requirement issued pursuant to this Chapter, may also be in violation of the Clean Water Act and/or State law and may be subject to the sanctions of those acts including civil and criminal penalties. Any enforcement action authorized under this Chapter shall also include written notice to the violator of such potential liability.