As used in this chapter, the following terms shall have the
meanings indicated:
ADMINISTERING AUTHORITY
A governmental employee, or a regional planning commission
empowered under § 61.354, Wis. Stats., that is designated
by the Board to administer this chapter.
APPLICANT
Any landowner, land user(s), his agent, or contractor responsible
for submitting and carrying out the requirements of this chapter.
"Applicant" shall also mean any subsequent landowner to whom this
chapter applies.
AVERAGE ANNUAL RAINFALL
A calendar year of precipitation, excluding snow, which is
considered typical. An average annual rainfall using either Green
Bay 1969 (March 29 to November 25) or Milwaukee 1969 (March 28 to
December 6) is applicable for the Village.
BMP or BEST MANAGEMENT PRACTICE
Structural or nonstructural measures, practices, techniques
or devices employed to avoid or minimize soil, sediment or pollutants
carried in runoff to waters of the state.
BOARD
The Howards Grove Village Board.
BUSINESS DAY
A day the office of the Department of Public Works is routinely
and customarily open for business.
CEASE AND DESIST ORDER
A court-issued order to halt land disturbing construction
activity that is being conducted without the required permit.
COMMON PLAN OF DEVELOPMENT OR SALE
All lands included within the boundary of a certified survey
or subdivision plat created for the purpose of development or sale
of property where multiple separate and distinct land development
activities may take place at different times and on different schedules.
CONNECTED IMPERVIOUSNESS
An impervious surface that is directly connected to a separate
storm sewer or water of the state via an impervious flow path.
CONSTRUCTION SITE
An area upon which one or more land disturbing construction
activities occur, including areas that are part of a larger common
plan of development or sale where multiple separate and distinct land
disturbing construction activities may be taking place at different
times on different schedules but under one plan.
CUSTOMER
Any person, owner or occupant, firm, partnership, corporation,
municipality, cooperative organization, governmental agency or political
entity provided with stormwater management services by the Village
Stormwater Utility.
DEBT SERVICE
With respect to any particular fiscal year and any particular
bond series, an amount equal to the sum of all interest payable on
such bonds during such fiscal year, plus any principal installments
of such bonds during such fiscal year.
DEPARTMENT
The Wisconsin Department of Natural Resources.
DESIGN STORM/RAINFALL EVENT
A hypothetical discrete rainstorm characterized by a specific
duration, temporal distribution, rainfall intensity, return frequency,
and total depth of rainfall. The storm duration shall be 24 hours.
Twenty-four hour rainfall amounts for the Village are as follows:
A.
TR 55:
|
Frequency/Year
|
Total Rainfall
(inches)
|
---|
|
1
|
2.0
|
|
2
|
2.5
|
|
5
|
3.3
|
|
10
|
3.8
|
|
25
|
4.4
|
|
50
|
4.8
|
|
100
|
5.3
|
B.
Or as from "The Rainfall Frequency Atlas of the Midwest" (Floyd
A. Huff and James R. Angel), Bulletin 71 of the Midwestern Climate
Center (1992).
DEVELOPER
Reference Chapter
408, Subdivision of Land, of this Code.
DEVELOPMENT
Residential, commercial, industrial or institutional land
uses and associated roads that have impervious area.
DIRECTOR
The Village Director of Public Works or his designee.
DISCHARGE VOLUME
The quantity of runoff discharged from land surface as the
result of a rainfall event.
EFFECTIVE INFILTRATION AREA
The area of the infiltration system that is used to infiltrate
runoff and does not include the area used for site access, berms or
pretreatment.
EQUIVALENT RUNOFF UNIT (ERU)
The impervious area of a property relative to the statistical
average impervious area of a single-family residential home within
the Village. One ERU is equal to 3,780 square feet of impervious surface.
EROSION
The process by which the land's surface is worn away
by the action of wind, water, ice or gravity.
EROSION AND SEDIMENT CONTROL PLAN
A comprehensive plan developed to address pollution caused
by erosion and sedimentation of soil particles or rock fragments during
construction.
EXISTING LAND USE CONDITION
The condition of the adjacent properties that are present
at the time of the stormwater permit application. This term applies
only for the purpose of properly sizing stormwater BMPs and stormwater
conveyance systems per the requirements of this chapter.
EXTRATERRITORIAL
The unincorporated area within three miles of the corporate
limits of a first, second, or third class city or within 1.5 miles
of a fourth class city or village.
FEE IN LIEU
A payment of money to the Village in place of meeting all
or part of the stormwater performance standards required by this chapter.
FINAL STABILIZATION
All land disturbing construction activities at the construction
site have been completed and a uniform, perennial, vegetative cover
has been established, with a density of at least 70% of the cover,
for the unpaved areas and areas not covered by permanent structures,
or employment of equivalent permanent stabilization measures.
FINANCIAL SECURITY/GUARANTEE
A performance bond, maintenance bond, surety bond, irrevocable
letter of credit, or similar guarantees submitted to the Village by
the responsible party to assure that requirements of this chapter
are carried out in compliance with the stormwater management plan.
FISCAL YEAR
A consecutive twelve-month period commencing on the first
day of January of any year.
GROSS AGGREGATE AREA
The total area, in acres, of all land located within the
property boundary containing the land development activity.
GROUNDWATER ENFORCEMENT STANDARD
A numerical value expressing the concentration of a substance
in groundwater, which is adopted under § 160.07, Wis. Stats.,
and § NR 140.10, Wis. Adm. Code, or § 160.09,
Wis. Stats., and § NR 140.12, Wis. Adm. Code.
GROUNDWATER PREVENTATIVE ACTION LIMIT
A numerical value expressing the concentration of a substance
in groundwater, which is adopted under § 160.15, Wis. Stats.,
and § NR 140.12, Wis. Adm. Code, or § NR 140.20,
Wis. Adm. Code.
IMPERVIOUS SURFACE
A surface as measured on a horizontal plane which has been
compacted or covered with a layer of material or improvements that
reduce natural infiltration into the soil from rain water or snow
melt. Impervious surfaces release as runoff all or a large portion
of the precipitation that falls on them, except for frozen soil.
A.
Impervious surfaces include but are not limited to all areas
covered by structures, roof extensions and overhangs, patios, porches,
driveways, loading docks, pools, sidewalks, sports courts and driveways
or parking lots. Impervious area shall include driveway/access improvements
that both serve a parcel leading to a public street and are not located
on the subject parcel. Rooftops, sidewalks, driveways, parking lots
and streets are examples of areas that typically are impervious.
B.
Pervious surfaces include but are not limited to elevated decks
that uniformly distribute drainage to underlying soil and areas of
public streets or public sidewalks adjacent to a parcel with the exception
of where a public sidewalk crosses a driveway.
INFILL and INFILL DEVELOPMENT AREA
An undeveloped area of land located within or surrounded
by existing development, or existing development and natural or man-made
features. These areas may be served by storm sewer drainage improvements.
The Village may develop a map identifying parcels of land that constitute
infill. The map shall be updated annually. As lands designated as
infill are developed, the land shall no longer be classified as infill,
even though the map has not yet been updated. Map updates shall not
require Public Works Committee or Board approval.
INFILTRATION
The entry of precipitation or runoff into or through the
soil.
INFILTRATION SYSTEM
A device or practice such as a basin, trench, rain garden
or swale designed specifically to encourage infiltration, but does
not include natural infiltration in pervious surfaces such as lawns,
redirecting of rooftop downspouts onto lawns or minimal infiltration
from practices, such as swales or roadside channels, designed for
conveyance and pollutant removal only.
KARST FEATURE
An area or surficial geologic feature subject to bedrock
dissolution so that it is likely to provide a conduit to groundwater,
and may include caves, enlarged fractures, mine features, exposed
bedrock surfaces, sinkholes, springs, seeps or swallets.
LAND DISTURBING CONSTRUCTION ACTIVITY
Any man-made alteration of the land surface resulting in
a change in the topography or existing vegetative or nonvegetative
soil cover, that may result in runoff and lead to an increase in soil
erosion and movement of sediment into waters of the state. Land disturbing
construction activity includes clearing and grubbing, demolition,
excavating, pit trench de-watering, filling and grading activities.
Land disturbing construction activity excludes agricultural facilities
and practices, silviculture activities, or routine maintenance for
project sites that involve under five acres of land disturbance that
are performed to maintain the original line and grade, hydraulic capacity,
or original function of the facility.
LANDOWNER
Any person holding title to or having an interest in land.
LAND USER
Any person operating, leasing, renting, or having made other
arrangements with the landowner by which the landowner authorizes
use of his land.
MAINTENANCE AGREEMENT
A legal document that provides for long-term maintenance
of stormwater management practices.
MEP or MAXIMUM EXTENT PRACTICABLE
A level of implementing best management practices in order
to achieve a performance standard specified in this chapter which
takes into account the best available technology, cost effectiveness
and other competing issues such as human safety and welfare, endangered
and threatened resources, historic properties and geographic features.
MEP allows flexibility in the way to meet the performance standards
and may vary based on the performance standard and site conditions.
NATURAL WETLANDS
An area where water is at, near, or above the land surface
long enough to be capable of supporting aquatic or hydrophytic vegetation
and which has soils indicative of perennial wet conditions.
NEW DEVELOPMENT
Development resulting from the conversion of previously undeveloped
land or agricultural land uses.
NONDEVELOPED
Properties that have no improvements or impervious surface
that contributes additional runoff.
NONRESIDENTIAL
Any developed property not used, primarily, as a permanent
residence, such as a commercial, industrial or municipal/institutional
property.
NONSTORMWATER DISCHARGE
A discharge to the storm sewer/drainage system created by
some process other than the runoff from precipitation.
NONSTRUCTURAL MEASURE
A practice, technique, or measure to reduce the volume, peak
flow rate, or pollutants in stormwater that does not require the design
or installation of fixed stormwater management facilities.
NOTICE OF INTENT
A notice required by § NR 151.11 or Ch. NR 216,
Wis. Adm. Code.
NRCS
The Natural Resources Conservation Service of the United
States Department of Agriculture (USDA) formerly known as the "SCS
(Soil Conservation Service of the USDA)."
OFF SITE
Located outside the property boundary described in the permit
application.
ON SITE
Located within the property boundary described in the permit
application.
ON-SITE STORMWATER MANAGEMENT SYSTEM
A system designed to both mitigate flood impacts and provide
adequate treatment of pollutants in stormwater runoff. "Systems" are
defined as being constructed on a particular parcel for which a customer
is billed. "Systems" include but are not limited to rain gardens,
cisterns, infiltration trenches, pretreatment systems, detention and
wet detention/retention basins.
OPERATION AND MAINTENANCE
The current expenses, paid or accrued, of operation, maintenance
and current repair of the system. The value shall be calculated using
standard accounting practice and includes, without limitation, insurance
premiums, administrative expenses, labor, executive compensation,
regulatory compliance, materials and supplies used for current operations,
and charges for accumulating reserves for current expenses not annually
incurred, but which may be reasonably be expected to be incurred using
standard accounting practices.
OTHER THAN RESIDENTIAL DEVELOPMENT
Development of land uses including but not limited to business
park, commercial, industrial, government and institutional, recreation,
transportation, communication and utilities.
PARCEL
The legal unit of land division as recorded by the County
Register of Deeds.
PERCENT FINES
The percentage of a given sample of soil which passes through
a Number 200 sieve in accordance with the American Society for Testing
and Materials, Volume 04.02, Test Method C117-95, Standard Test Method
for Materials Finer than 75-µm (No. 200) Sieve in Mineral Aggregates
by Washing.
PERFORMANCE STANDARD
A narrative or measurable number specifying the minimum acceptable
outcome for a facility or practice.
PERMIT
A written authorization made by the Director to the applicant
to conduct land disturbing construction activity or to discharge post-construction
runoff to waters of the state.
PERMIT ADMINISTRATION FEE
A sum of money paid to the Village by the permit applicant
for the purpose of recovering the expenses incurred by the authority
in administering the permit.
PERVIOUS SURFACE
An area that releases as runoff a small portion of the precipitation
that falls on it. Lawns, gardens, parks, forests or other similar
vegetated areas are examples of surfaces that typically are pervious.
POLLUTANT
Has the meaning given in § 283.01(13), Wis. Stats.
POLLUTION
Has the meaning given in § 281.01(10), Wis. Stats.
POPULATION
Has the meaning given in § 281.66(1)(c), Wis. Stats.
POST-CONSTRUCTION SITE
A construction site following the completion of land disturbing
construction activity and final site stabilization.
POST-DEVELOPMENT LAND USE CONDITION
The extent and distribution of land cover types anticipated
to occur under conditions of full development that will influence
precipitation runoff and infiltration (also reference "proposed land
use condition").
PREDEVELOPMENT CONDITION
The extent and distribution of land cover types present before the initiation of land disturbing construction activity, assuming that all land uses prior to development activity are managed in an environmentally sound manner. Section
330-23C(5) identifies the respective curve runoff numbers to be used. This term has the purpose of comparing pre- and post-development stormwater peak flows as required by this chapter.
PRETREATMENT
The treatment of stormwater prior to discharge to wetlands,
infiltration practices or the primary stormwater treatment practice.
The goal of pretreatment is to reduce pollutant loads to a level compatible
with the capability of the primary practice.
PUBLIC DRAINAGE SYSTEM
All facilities owned and operated by the Village, County
or Wisconsin Department of Transportation for the purpose of collecting,
conveying, storing, treating, and disposing of stormwater.
QUALIFYING RECEIVING WATER
A receiving body of water within the Village's corporate
boundaries for which the Village has, or is expected to have, little
or no debt service and/or capital improvement costs. Those portions
of Pigeon River (and its tributaries) located within the Village corporate
limits are qualifying receiving waters.
REDEVELOPMENT
Areas where development is replacing older development.
REGIONAL STORMWATER MANAGEMENT
The consideration, evaluation and improvement of both significant
natural and man-made drainage areas. Individual project sites typically
are included in regional management areas.
RESIDENTIAL LAND DEVELOPMENT
Development that creates structures to house people. This
includes residential dwelling units and surrounding property, including
but not limited to lawns, driveways, sidewalks, garages, and access
streets. This type of development includes single family, multifamily
and apartments.
RESPONSIBLE PARTY
Any entity holding fee title to the property or performing
services to meet the performance standards of this chapter through
a contract or other agreement.
REVENUE
All rates, charges, assessments, rentals, fines or other
charges or other income received by the Village related to the management
and operation of the system, including amounts received from the investment
or deposit of monies in any fund or account and any amounts contributed
by the Village, all as calculated using standard accounting principles.
RUNOFF
Stormwater or precipitation including rain, snow or ice melt
or similar water that moves on the land surface via sheet or channelized
flow. Impervious surfaces prevent runoff from naturally infiltrating
into soil.
RUNOFF CURVE NUMBER or RCN
An index that represents the combination of a hydrologic
soil group, land use, land cover, impervious area, interception storage,
surface storage, and antecedent moisture conditions. RCNs convert
mass rainfall into mass runoff. The NRCS identifies RCNs in TR-55.
SEDIMENT
Settleable solid material that is transported by runoff,
suspended within runoff or deposited by runoff away from its original
location.
SEPARATE STORM SEWER
A conveyance or system of conveyances, including roads with
drainage systems, streets, catch basins, curbs, gutters, ditches,
constructed channels or storm drains, which meets all of the following
criteria:
A.
Is designed or used for collecting water or conveying runoff.
B.
Is not part of a combined sewer system.
C.
Is not draining to a stormwater treatment device or system.
D.
Discharges directly or indirectly to waters of the state.
SITE
The entire area included in the legal description of the
land owned on which the land disturbing construction activity is proposed
in the permit application.
A.
The site's entire area shall include all lands within the
subject property including public road rights-of-way and easements
and the land area within the individual lot(s).
B.
The site shall include all areas to be developed whether constructed
in phases or in entirety. The Village has a right to reasonably presume
there is an overall intent to develop an entire parcel or adjoining
parcels of land over a period of time when the lands are owned by
the same party or parties. This includes land adjacent to the Village
corporate limits within the 1 1/2 mile extraterritorial jurisdiction.
C.
Lands within the site may not be defined by smaller areas to
avoid compliance with this chapter.
SITE RESTRICTION
Any physical characteristic that limits the use of a stormwater
best management practice (BMP).
SLAMM
The Source Loading and Management Model.
STOP-WORK ORDER
An order issued by the Director which requires that all construction
activity on the site be stopped.
STORMWATER CONVEYANCE SYSTEM
Any method employed to direct stormwater runoff within and
from land development or redevelopment activities to waters of the
state. Examples include but are not limited to swales, channels and
storm sewers.
STORMWATER MANAGEMENT MEASURE
Structural or nonstructural practices that are designed to
reduce stormwater runoff pollutant loads, discharge volumes, and/or
peak flow discharge rates.
STORMWATER MANAGEMENT PLAN
A comprehensive plan prepared by the land developer, landowner,
or permit holder that is designed to reduce stormwater quantity and
rates and pollutants from the post-development land use condition
to levels that meet the requirements of this chapter. The plan applies
to conditions after the site has undergone final stabilization following
completion of the construction activity.
STORMWATER MANAGEMENT SERVICES
The tasks required to control stormwater runoff to protect
the health, safety, and welfare of the public and comply with the
State and Federal regulations. They include but are not limited to
street sweeping, erosion control, stormwater basin improvements and
maintenance, culvert and storm sewer maintenance, stormwater testing,
stormwater management planning and related public education.
STORMWATER MANAGEMENT SYSTEM
All public storm sewers, drainage conduits and conveyances,
roadside ditches, curb and gutter, and public greenways, and all improvements
that are the property and responsibility of the Village and/or Stormwater
Utility. These systems are operated to perform the following (without
limitation): conserve water, control discharges from rainfall events,
and incorporate methods to collect, convey, store, absorb, inhibit,
treat, use or reuse water to prevent or reduce flooding, environmental
degradation and water pollution or otherwise affect the quality and
quantity of discharge from such system.
STORMWATER MANAGEMENT SYSTEM PLAN
A comprehensive plan designed to reduce the discharge of
runoff and pollutants from hydrologic units on a regional or municipal
scale.
STORMWATER RUNOFF
That portion of precipitation that does not infiltrate into
the soil and flows from the land surface into natural or man-made
conveyances.
STORMWATER UTILITY
The utility established under this chapter for the purpose
of managing stormwater and imposing charges to recover costs associated
with stormwater management services.
TARGETED PERFORMANCE STANDARD
A performance standard that will apply to a specific area
that will require additional practices to meet water quality standards.
TECHNICAL STANDARD
A document that specifies design, predicted performance and
operation and maintenance specifications for a material, device or
method. The following methods shall be used to design the water quality,
peak flow reduction and infiltration components of stormwater practices
to meet the water quality standards of this chapter:
A.
Technical standards identified, developed or disseminated by
the Department through Ch. NR 151, Subch. V, Wis. Adm. Code.
B.
Where technical standards have not been identified or developed
by the Department, other technical standards may be used provided
that the methods have been approved by the Village.
TOP OF THE CHANNEL
An edge, or point on the landscape, landward from the ordinary
high-water mark of a surface water of the state, where the slope of
the land begins to be less than 12% continually for at least 50 feet.
If the slope of the land is 12% or less continually for the initial
50 feet landward from the ordinary high-water mark, the top of the
channel is the ordinary high-water mark.
TR-55
The United States Department of Agriculture, Natural Resources
Conservation Service (previously Soil Conservation Service), Urban
Hydrology for Small Watersheds, Second Edition, Technical Release
55, June 1986.
TRANSPORTATION FACILITY
A highway, railroad, public mass transit facility, public
use airport, public trail and also includes any other public work
for transportation purposes under § 85.095(1)(b), Wis. Stats.
A transportation facility does not include building sites for the
construction of public buildings and buildings that are places of
employment that are regulated by the Department of Safety and Professional
Services pursuant to § 281.33, Wis. Stats.
TYPE II DISTRIBUTION
A rainfall-type curve as established in the United States
Department of Agriculture, Soil Conservation Service, Technical Paper
149, published 1973. The Type II curve is applicable to all of Wisconsin
and represents the most intense storm pattern.
UNDEVELOPED
A real property parcel with no impervious area.
USER CHARGE
The charge established by the Public Works Committee and
Board on developed property within the corporate limits allocated
for operations, maintenance and administration; capital improvements;
and debt service.
WETLAND FUNCTIONAL VALUE
The type, quality, and significance of the ecological and
cultural benefits provided by wetland resources, such as: flood storage,
water quality protection, groundwater recharge and discharge, shoreline
protection, fish and wildlife habitat, floral diversity, aesthetics,
recreation, and education.
WORKING DAY
One full day of time being between Monday and Friday (inclusive)
and not including recognized holidays.
WPDES
Wisconsin Pollutant Discharge Elimination System.
WPDES STORMWATER PERMIT
A permit issued by the Department that authorizes the point
source discharge of stormwater to waters of the state. It is issued
under Ch. 283, Wis. Stats., and is regulated by Ch. NR 216, Wis. Adm.
Code.