DULUTH/NORTH
SHORE SANITARY DISTRICT
APPLICATION
FOR SEWER CONNECTION PERMIT
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Address of Property to be Connected: |
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Legal Description of Property to be Connected: |
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____ permit is for
connection of an existing structure ____ permit is for new construction |
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____ use of
property to be connected is residential ____ use of property to be connected is NOT residential |
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1.
It is the
intention of the District to not only provide the District with a proper means
of sewage disposal, but to assure that the quality of Lake Superior’s waters is
maintained. The District recognizes the
potential for degradation through land development and has adopted a program
which requires the protection of water quality especially as it relates to
point and non‑point pollution. To
that end, the following criteria shall be met and memorialized by deed
restriction before a property’s physical connection to the District system is
allowed:
1.
Before
connection to the system, all new construction shall meet the criteria found in
Appendix A, and shall comply with the practices as found in appendix B.
2.
Structures
served by on‑site sewage treatment at the time of the formation of the
District may connect without meeting the criteria in Appendix A but shall
comply with the practices in Appendix B.
2.
The following
items must be submitted with this application if the permit is for an existing
structure:
1.
Certification
by a registered or licensed professional engineer, soil scientist or other
person previously approved by the District that no footing drains, commercial
water softener, commercial hot tub or other clear water sources will be
connected to the sewer
2.
Plans and
specifications for the sewer connection
3.
Water sample
from the well on the property to be connected
4.
Evidence of
compliance with Appendix B to this application
3.
The following
items must be submitted with this application if the permit is for new
construction:
1.
Site plan
2.
Plans and
specifications for the sewer connection
3.
Water sample
from the well on the property to be connected
4.
Storm water
management plan complying with the requirements of Appendix A
5.
Evidence of
compliance with Appendix A and Appendix B to this application
4.
Upon review of
this application, the District may require the following prior to issuing the
permit applied for herein:
1.
Fully executed
easement agreement in favor of the District
2.
Certification
by a registered or licensed professional engineer, soil scientist or other
person previously approved by the District that the property to be connected
complies with the requirements of Appendix A and Appendix B
3.
Such other
information as the District or the District’s Superintendent may require
The undersigned hereby certifies and declares
that the information contained herein and attached hereto is true and correct
in all respects and agrees to be bound by its terms and conditions.
APPLICANT:
Signature:
______________________________________________
Printed Name:
___________________________________________
Date:
__________________________________________________
DULUTH/NORTH SHORE SANITARY DISTRICT:
Signature:
______________________________________________
Printed Name and Title:
___________________________________
Date:
__________________________________________________
APPENDIX
A
PRECONDITIONS
FOR THE CONNECTION OF NEW CONSTRUCTION
Terms not otherwise defined herein have the
meanings given in the applicable ordinances of St. Louis County.
5.
TOPOGRAPHIC
ALTERATIONS/GRADING AND FILLING PLAN:
Grading and filling shall require an erosion and sedimentation
plan. The nature of the plan will be
determined by the magnitude and volume of materials to be manipulated. The following issues shall be addressed:
1.
Timing and
sequencing of the project is such that the smallest amount of bare ground is
exposed for the shortest amount of time;
2.
Temporary
ground covers, such as annual rye and/or mulch, are used when soil is bare for
more than seven (7) days;
3.
Permanent
ground cover will be established within seven (7) days, using sod or seeding,
after site preparation is complete;
4.
Methods to
prevent erosion and trap sediment are employed; and
5.
Fill is
stabilized to accepted engineering standards.
6.
WETLAND, WATER
AND VEGETATION MANAGEMENT:
1.
Standards
For Approval:
1.Application: Evidence of compliance submitted to the
District shall address wetland, water and vegetation management and provide
adequate evidence that the proposed activity will conform to the standards set
forth.
2.Sequencing: Applicants proposing development shall
demonstrate a sequencing process as follows in descending order of priority:
(1)Avoid direct or indirect impacts that will increase stormwater runoff
and erosion or the draining or filling of
wetlands.
(2)Minimize those impacts by limiting the degree or magnitude of the
activity.
(3)Reduce those impacts through sound erosion and stormwater control
measures and by restoring or replacing wetland losses.
3.One‑Acre Threshold: All applications for
connection where the project will involve disturbing activities affecting one
or more acres of land shall submit a water and vegetative management plan and a
wetland delineation or determination report certified by a Professional Engineer
or other recognized professional to the District. In some cases the applicant may require technical assistance from
private engineering firms to prepare plans or wetland delineation reports. Prepared plans and delineation reports shall
be submitted prior to formal acceptance of all applications.
4.Wetland Disturbances: The grading or filling of wetlands shall
conform to the provision of this Article and require evidence of a Land Use
Permit.
2.
Site Erosion
Control:
1.The following criteria (c.i. through c.iv.) apply only to construction
activities that result in runoff leaving the site.
2.All activities on the site shall be conducted with diligent effort to
minimize the area of bare soil exposed at any one time.
3.Runoff from the entire disturbed area on the site shall be controlled
by meeting either Subsections c.i. and c.ii., or c.i. and c.iii. below.
3.
Criteria:
1.All disturbed ground left inactive for seven (7) or more days shall be
stabilized by temporary seeding or mulching until permanent protection can be
established as prescribed by the Soil and Water Conservation District.
2.Disturbed areas should be permanently vegetated within seven (7) days
after completion of building or site preparation.
3.For sites with more than two (2) acres disturbed at one time, or if a
channel originates or exists in the disturbed area, one (1) or more
temporary or permanent sedimentation
basins shall be constructed. Each
sedimentation basin shall have a surface area of at least one (1) percent of
the area draining to the basin and at least three (3) feet of depth and
constructed in accordance with accepted design specifications. Sediment shall be removed to maintain a
depth of three (3) feet. The basin
discharge rate shall also be sufficiently low as to not cause erosion along the
discharge channel or receiving water.
Applicants should also be aware that the MPCA may require NPDES
stormwater permits.
4.For sites with less than two (2) acres disturbed at one time, silt
fencing, straw bales, or equivalent control measures shall be placed along all
sideslopes and downslopes of the site.
When a channel or area of concentrated runoff passes through the site,
silt fencing shall be placed along the channel edges to reduce sediment
entering the channel. The use of silt
fences, straw bales, or equivalent control measures must include a maintenance
and inspection schedule.
5.Any soil or dirt storage piles containing more than ten (10) cubic
yards of material should not be located with
a downslope drainage length of less than twenty‑five (25) feet
from the toe of the pile to a roadway or drainage channel having a defined
bottom. If remaining for more than
seven (7) days, storage piles shall be stabilized by mulching, vegetative
cover, tarps or other means. Erosion
from piles which will be in existence less than seven (7) days shall be
controlled by placing straw bales or silt fence barriers around the pile. In‑street utility repair or
construction soil or dirt storage piles located closer than twenty‑five
(25) feet of a roadway or drainage channel must be covered with tarps or other
suitable controls when exposed for more than seven (7) days. Stormdrain inlets shall also be protected
with straw bales or other appropriate controls.
7.
WATER AND
STORMWATER MANAGEMENT:
1.
An applicant
shall install or construct before or at the time land development occurs, all
storm water management facilities necessary to manage increased runoff to
standards which control the two (2) year, ten (10) year, and one hundred (100)
year storm peak discharge rates existing prior to development. An applicant may also be required to make in‑kind
or monetary contribution to the development and maintenance of community storm
water management facilities designed to serve multiple land disturbing and
development activities undertaken by one (1) or more persons.
2.
Applicants
shall give consideration to reducing the need for storm water facilities by incorporating
the use of natural topography and land cover such as wetlands, ponds, natural
swales and depressions as they exist before development to the degree they can
accommodate the additional flow of water without compromising the integrity of
the land form or quality of the water.
3.
The following
practices shall apply when developing a water management plan in descending
order of preference:
1.Natural infiltration of precipitation on‑site;
2.Flow attenuation by use of open vegetated swales and natural
depressions or wetlands;
3.Storm water retention facilities; and
4.Storm water detention facilities.
4.
A combination
of practices may be used to achieve the requirements specified in Subsection a. above. Justification shall be provided by the applicant
for the method selected.
8.
DRY STRUCTURE
RETENTION DESIGN: Dry structure
retention facilities designed to limit peak flows to below 75% of the pre‑development
level for recurrence intervals of 2 to 100 years. Dry structures should be considered as a viable option for
stormwater retention.
9.
DETENTION
STRUCTURE DESIGN STANDARDS: Storm water
detention facilities constructed within the District shall be designed
according to the most current technology as reflected in the MPCA publication “Protecting
Water Quality in Urban Areas,” and shall contain, at minimum, the following
design factors:
1.
A permanent
surface area equal to two (2) percent of the impervious surface area draining
to the pond or one (1) percent of the entire area draining to the pond,
whichever amount is greater;
2.
An average
permanent pool depth of four (4) to ten (10) feet;
3.
A permanent
pool length‑to‑width ratio of three to one (3:1) or greater;
4.
A minimum
protective shelf extending ten (10) feet into the permanent pool with a slope
of ten to one (10:1), beyond which slopes should not exceed three to one (3:1);
permanent fencing for ponds with steeper slopes; cyclone fencing;
5.
A protective
buffer strip of vegetation surrounding the permanent pool at a minimum width of
one rod (16.5 feet);
6.
Storm water
detention facilities shall have a device to prevent oil, grease, and other
float‑able material from moving downstream as a result of normal
operation;
7.
Storm water
detention facilities for new development must be sufficient to limit peak flows
in each sub‑watershed to those that existed before the development for
the ten (10) year storm event. All
calculations and hydrologic models/information used in determining peak flows
shall be submitted along with the storm water management plan;
8.
All storm water
detention facilities must have a forebay to remove coarse‑grained
particles prior to discharge into a watercourse or storage basin.
9.
Runoff shall
not be discharged directly to a wetland without pre‑settlement of the runoff.
10.
STEEP
SLOPES: No land disturbing or
development activities shall be permitted on slopes of eighteen (18) percent or
more.
11.
CATCH
BASINS: All newly installed and
rehabilitated catch basins shall include a sump area for the collection of
coarse‑grained material. Such
basins shall be cleaned when one‑half (.5) filled with material.
12.
DRAIN
LEADERS: All newly constructed and
reconstructed buildings will route drain leaders to previous areas where runoff
can infiltrate. The flow rate of water
exiting the leader shall be controlled to prevent erosion in pervious areas.
13.
INSPECTION AND
MAINTENANCE: Storm water management
facilities shall be designed to minimize maintenance and provide maintenance
access. All facilities shall have a
plan of operation and maintenance that assures continued effective removal of
runoff pollutants. The District shall
provide for inspection of storm water facilities during construction and during
the first year of operation, and as needed thereafter. The inspection records will be kept on file
District for a period of six (6) years.
It shall be the responsibility of the applicant to obtain any necessary
easements or other property interests to allow access to the storm water management
facilities for inspection and maintenance purposes.
14.
MODELS/METHODOLOGIES/COMPUTATIONS: Hydrologic models and design methodologies
used for the determination of runoff and analysis of storm water management
structures shall comply with the rules and regulations of the Zoning
Authority. Plans, specifications and
computations for storm water management facilities submitted for review shall
be sealed and signed by a registered professional engineer. All computations shall appear on the plans
submitted for review, unless evidence is provided that alternative computations
have been approved by the Zoning Authority.
15.
WATERSHED
MANAGEMENT PLANS/GROUNDWATER MANAGEMENT PLANS:
Storm water management plans shall be consistent with adopted watershed
management plans and groundwater management plans prepared in accordance with
Minnesota Statutes, Section 103B.301 and 103B.315.
16.
EASEMENTS: When storm water management plans involve
directing runoff from a site, it shall be the responsibility of the applicant
to obtain from adjacent property owners any necessary easements or other
property interests concerning flowage of water.
17.
MANAGEMENT PLAN
REQUIREMENTS: Land disturbing
activities impacting more than one (1) acre shall be supported by a site plan. The plan shall contain a map of the existing
site conditions and immediately adjacent areas, including:
1.
The name
address of the applicant; the section, township and range; north point; date
and scale of drawing and number of sheets.
2.
Location of the
tract by an insert map at a scale sufficient to clearly identify the location
of the property and giving such information as the names and numbers of
adjoining roads, railroads, utilities, subdivisions, towns, and districts or
landmarks.
3.
Existing
topography with a contour interval appropriate to the topography of land but in
no case having a contour interval greater than two (2) feet unless evidence is
provided that an alternative contour interval has been approved in writing by
the Zoning Authority and also include any known ordinary high water level (OHW)
flood elevations and highest known water levels.
4.
A delineation
of all streams, rivers, public waters and wetlands located on and immediately
adjacent to the site, including depth of water, a state of general water
quality and any classification given to the water body or wetland by the
Minnesota Department of Natural Resources, Minnesota Pollution Control Agency,
and/or the United States Army Corps of Engineers. Wetland delineations should use data sheets and identify
locations where actual wetlands data was acquired.
5.
Location and
dimensions of existing storm water drainage systems and natural drainage
patterns on and immediately adjacent to the site delineating in which direction
and at what rate water is conveyed from the site. Identifying the receiving
stream, river, public water, or wetland, and setting forth those areas
of the unaltered site where storm water collects.
6.
A description
of the soils, including a map indicating soil types of areas to be disturbed
and proposed for replacement when applicable, as well as a soil report
containing information on the suitability of the soils for the type of
development proposed and for the type of sewage disposal proposed and
describing any remedial steps to be taken by the developer to render the soils
suitable.
7.
Vegetative
cover, clearly delineating any vegetation proposed for removal and replacement
or re‑vegetation plans.
8.
Locations and
dimensions of all proposed land disturbing activities and any phasing of those
activities.
9.
Locations and
dimensions of all temporary soil stockpiles.
10.
Locations and
dimensions of all construction site erosion control measures necessary to meet
the requirements of this Appendix.
11.
Schedule of
anticipated starting and completion dates of each land disturbing activity
including the installation of construction site erosion control measures needed
to meet the requirements of this Appendix.
12.
Provisions for
maintenance of the construction site erosion control measures during
construction including the names of parties immediately responsible for onsite
development activities.
18.
PERFORMANCE
BOND: Prior to approval of management
plans, the applicant shall submit an agreement to construct such required
physical improvements, replace wetland losses, dedicate property or easements,
or comply with other conditions as may have been agreed to. Such agreement shall be accompanied by a
bond or other financial assurance acceptable to the Board’s Counsel to cover
one hundred twenty‑ five percent (125%) of the agreed estimate cost of
complying with the conditions within a specific time, which may be extended
only in accordance with this Connection Standard.
19.
APPROVAL
STANDARDS: Water, stormwater,
vegetative, and wetland replacement plans which fail to meet the basic
standards contained in this section shall not be approved.
1.
Stormwater
Runoff: Water discharged from a site shall be
treated by temporary sedimentation basins, straw bales, silt fencing or other
appropriate controls to remove sediment.
Water may not be discharged in a manner that causes erosion or flooding
of the site or receiving channels or a wetland.
2.
Waste and
Material Disposal: All waste and unused building materials
(including garbage, debris, cleaning wastes, wastewater, toxic materials or
hazardous materials) shall be properly disposed of off‑site and not
allowed to be carried by runoff into a receiving channel, storm sewer system or
wetland.
3.
Tracking:
Each site shall have temporary rock‑constructed entrances of
sufficient width and length to prevent sediment from being tracked onto public
or private roadways.
4.
Drain Inlet
Protection: All storm drain inlets shall be protected during
construction until control measures are in place with a straw bale, silt fence,
or equivalent barrier meeting accepted design criteria, standards and
specifications contained in the MPCA publication “Protecting Water Quality in
Urban Areas”.
5.
Site Erosion
Control: The following criteria apply only to
construction activities resulting in
runoff leaving the site:
1.Channelized runoff from adjacent areas passing through the site shall
be diverted around disturbed areas.
Diverted runoff shall be conveyed in a manner that not erode the
conveyance and receiving channels.
2.All activities on the site shall be conducted in a logical sequence to
minimize the area of bare soil exposed at any one time.
3.Runoff from the entire disturbed area on the site shall be controlled
by meeting either Subsections f.i. and f.ii., or f.i. and f.iii., below.
6.
Criteria:
1.All disturbed ground left inactive for seven (7) or more days shall be
stabilized by temporary seeding or mulching until permanent protection can be
established as prescribed by the Soil and Water Conservation District.
2.Disturbed areas should be permanently vegetated within seven (7) days
after completion or site preparation.
3.For sites with more than two (2) acres disturbed at one time, or if a
channel originates in the disturbed area, one (1) or more temporary or
permanent sedimentation basins shall be constructed. Each sedimentation basin shall have a surface area of at least
one (1) percent of the area draining to the basin and at least three (3) feet
of depth and constructed in accordance with accepted design
specifications. Sediment shall be
removed to maintain a depth of three (3) feet.
The basin discharge rate shall also be sufficiently low as to not cause
erosion along the discharge channel or the receiving water. Applicants should also be aware of the need
for NPDES stormwater permits if disturbing more than five (5) acres.
4.For sites with less than two (2) acres disturbed at one time, silt fences,
straw bales, or equivalent control measures shall be placed along all sideslope
and downslope sides of the site. When a
channel or area of concentrated runoff passes through the site, silt fences
shall be placed along the channel edges to reduce sediment reaching the
channel. The use of silt fences, straw
bales, or equivalent control measures must include a maintenance and inspection
schedule.
5.Any soil or dirt storage piles containing more than ten (10) cubic
yards of material should not be located with a downslope drainage length of
less than twenty‑five (25) from the toe of the pile to a roadway or
drainage channel. If remaining for more
than seven (7) days, storage piles shall be stabilized by mulching, vegetative
cover, tarps, or other means. Erosion
from piles which will be in existence for less than seven (7) days shall be
controlled by placing straw bales or silt fence barriers around the pile. In‑street utility repair or
construction soil or dirt storage piles located closer than twenty‑five
(25) feet of a roadway or drainage channel must be covered with tarps or
suitable alternative control, if exposed for more than seven (7) days, and the
storm drain inlets must be protected with straw bale or other appropriate
filtering barriers.
APPENDIX
B
PRECONDITIONS
FOR CONNECTIONS
Terms not otherwise defined herein have the
meanings given in the applicable ordinances of St. Louis County.
The following management criteria shall be considered minimum
requirements for the protection of the lands served by the District. The purpose of this Appendix is to further
minimize conflicts and encourage compatibility among land disturbing
development activities, water quality and wetland protection by requiring
detailed review standards and procedures for such activities, thereby achieving
a balance among development and the protection of water quality and natural
areas.
Recognizing that public dollars have been used to preserve the
integrity of Lake Superior, by addressing the collection of sewage and the fact
that sewage issues are only part of a larger problem brought about by increased
development, the District requires a formal agreement to follow these standards
as a precondition to connection with District’s system:
20.
REMOVAL OF
NATURAL VEGETATION: Unless otherwise
permitted by the Zoning Authority:
1.
Selective
removal of natural vegetation shall be allowed in order to provide a view
corridor to water; however, such removal shall leave sufficient cover to screen
cars, dwellings, and other structures from view from the water and selective
vegetation removal shall be allowed in order to accommodate the placement of
the following additional uses: stairways
and landings, picnic areas, access paths, beach and water craft access.
2.
Vegetative
removal shall be limited along watercourses and streams in order to maintain
and preserve the existing shading of streams that support trout fishery which
are very sensitive to fluctuations in water temperatures.
3.
In no case
shall intensive vegetative clearing be allowed within the Shore Impact Zone or
on steep slopes.
4.
The provisions
of this Section 1 shall not apply to permitted uses which normally require the
removal of the natural vegetation as necessary to the use. The scientific practice of silviculture
shall be regulated under Best Management Practices as accepted by the Forest
Industry.
21.
SHORE IMPACT
ZONE (40 FEET LANDWARD OF THE VEGETATION LINE): The Shore Impact Zone shall be treated with special
consideration. Vegetative management
within the Shore Impact Zone shall be severely limited. The mowing and maintenance of lawns shall be
reduced where previously‑practiced and the reestablishment of natural
vegetation shall be encouraged. In new
developments, lawn establishment is prohibited within the Shore Impact
Zone. (See also below, Lawn Fertilizer
Regulations)
22.
LAWN FERTILIZER
AND CHEMICAL REGULATIONS:
1.
Use of
Impervious Surfaces: No person shall apply fertilizer or
chemicals to or deposit grass clippings, leaves, or other vegetative materials
on impervious surfaces, or within storm water drainage systems, natural
drainageways, or within wetland buffer areas.
2.
Unimproved
Land Areas: Except for driveways, sidewalks, patios,
areas occupied by structures or areas which have been altered by landscaping,
all areas shall be covered by plants or vegetative growth.
3.
Fertilizer
Content: Except for the first growing season for
newly established turf areas, no person shall apply liquid fertilizer which
contains more than one‑half percent (.5%) by weight of phosphorus, or
granular fertilizer which contains more than three percent (3%) by weight of
phosphorus, unless the single application is less than or equal to one‑tenth
(.1) pound of phosphorous per one thousand (1000) square feet. Annual application amount shall not exceed
one‑half (.5) pound of phosphorus per one thousand (1000) square feet of
lawn area.
4.
Application
Prohibited: The application of fertilizer or chemicals
within the shore impact zone is prohibited.
23.
LOT
COVERAGE: Maximum lot coverage with
impervious surfaces must comply with the rules and regulations of the Zoning
Authority.