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PUBLIC NOTICE: The City of St. Michael is proposing to add an outlet below the OHWM of Lake Wilhelm. The proposed improvement project intends to reduce flooding, shoreline erosion and lakeshore property encroachment issues that have been caused by prolonged high water levels on Lake Wilhelm.

PROJECT DESCRIPTION AND PURPOSE: The City of St. Michael is proposing to add an outlet below the OHWM of Lake Wilhelm. The proposed improvement project intends to reduce flooding, shoreline erosion and lakeshore property encroachment issues that have been caused by prolonged high water levels on Lake Wilhelm. The proposed project also intends to improve the quality of the water entering Gonz Lake from Lake Wilhelm.

Public Notice APPLICANT:

City of St. Michael

REFER TO:

MVP-2018-00528-LMG

ISSUED: March 29, 2018 EXPIRES: April 30, 2018

SECTION: 404 - Clean Water Act

1. APPLICATION FOR PERMIT TO discharge fill material into 40 square feet of Lake Wilhelm and below the ordinary high water mark along 1,830 linear feet (0.25 acre) of the Gonz Lake outlet channel for the purpose of installing an 18-inch culvert and channel restoration. The project would also include 0.09 acre of temporary impacts to Lake Wilhelm for the installation of a coffer dam during construction. The culvert would be placed one foot below the current ordinary high water mark (OHWM) and would result in draining 6.17 acres of Lake Wilhelm. 2. SPECIFIC INFORMATION APPLICANT'S ADDRESS:

City of St. Michael c/o Mr. Steven Bot 11800 Town Center Drive NE, Suite 300 St. Michael, Minnesota 55376

AGENT'S ADDRESS:

WSB & Associates c/o Ms. Laura Messman 701 Xenia Avenue S, Suite 300 Minneapolis, Minnesota 55416

PROJECT LOCATION: The project site is located in Sections 26 and 27, Township 120 North, Range 24 West, Wright County, Minnesota. Latitude 45.174093, Longitude -93.684509. DESCRIPTION OF PROJECT: The City of St. Michael is proposing to add an outlet below the OHWM of Lake Wilhelm. The proposed improvement project intends to reduce flooding, shoreline erosion and lakeshore property encroachment issues that have been caused by prolonged high water levels on Lake Wilhelm. The proposed project also intends to improve the quality of the water entering Gonz Lake from Lake Wilhelm. Lake Wilhelm currently outlets on the north side of the lake over an earthen berm and through a 15-inch culvert under a residential driveway. From the culvert, the water flows northeast through farm fields until it reaches Gonz Lake. During high water events, the amount of water leaving Lake Wilhelm increases and can flood the farm fields. To address flooding, erosion and shoreline encroachment issues, the City of St. Michael is proposing to restore Lake Wilhelm's water level back to its historic level by adding an 18-inch culvert at the edge of the lake as shown on the enclosed figure labeled MVP-2018-00528-LMG Page 3 of 5. The current OHWM is 952.5 and the elevation of the proposed culvert would be 951.5. Lowering the OHWM would result in the drainage of 6.17 acres of the lake as shown on the enclosed figure labeled MVP-2018-00528-LMG Page 2 of 5. To address water quality issues, the proposed project would route water from the new Lake Wilhelm outlet through a series of drainage swales to Gonz Lake. A new swale would be constructed along 15th Street NE. Construction of this drainage swale would occur in uplands and not result in a regulated discharge. From the constructed drainage swale, water would then

Regulatory Branch (File No. MVP-2018-00528-LMG) enter an existing drainage channel which flows north into Gonz Lake. Water would then flow through Gonz Lake and into the Gonz Lake outlet channel which is currently overgrown with vegetation. To improve water flow through the channel, vegetation along 1,830 linear feet will be cleared and grubbed. The proposed channel restoration would result in a discharge of 0.17 acre of dredged material below the OHWM as shown on the enclosed figures labeled MVP2018-00528-LMG Page 4 of 5 through Page 5 of 5. SURROUNDING LAND USE: Residential development surrounds the area immediately around Lake Wilhelm and to the south. The remainder of the area is agricultural. MITIGATION: The applicant is not proposing compensatory mitigation. 3. FEDERALLY-LISTED THREATENED OR ENDANGERED WILDLIFE OR PLANTS OR THEIR CRITICAL HABITAT None were identified by the applicant or are known to exist in the permit area. However, Wright County is within the known or historic range of the following Federally-listed species: Northern Long-Eared Bat

Hibernates in caves and mines ­ swarming in surrounding wooded areas in autumn. Roosts and forages in upland forests during spring and summer.

This application is being coordinated with the U.S. Fish and Wildlife Service. Any comments it may have concerning Federally-listed threatened or endangered wildlife or plants or their critical habitat will be considered in our final assessment of the described work. 4. JURISDICTION This application is being reviewed in accordance with the practices for documenting Corps jurisdiction under Sections 9 & 10 of the Rivers and Harbors Act of 1899 and Section 404 of the Clean Water Act identified in Regulatory Guidance Letter 08-02. 5. STATE SECTION 401 WATER QUALITY CERTIFICATION Valid Section 404 permits cannot be issued for any activity unless state water quality certification for the activity is granted or waived pursuant to Section 401 of the Clean Water Act. The state Section 401 authority in Minnesota is the Minnesota Pollution Control Agency (MPCA). The St. Paul District has provided this public notice and a copy of the applicant's Section 404 permit application form to the MPCA. If MPCA needs any additional information in order for the Section 401 application to be considered complete by MPCA, the MPCA has indicated that it will request such information from the applicant. It is the permit applicant's responsibility to ensure that the MPCA has received a valid, complete application for state Section 401 certification and to obtain a final Section 401 action from the MPCA. The MPCA has indicated that this public notice serves as its public notice of the application for Section 401 water quality certification under Minnesota Rules Part 7001. The MPCA has also indicated that the Section 401 process shall begin to commence upon the issuance date of this public notice unless the MPCA notifies both the St. Paul District and the permit applicant to the contrary, in writing, before the expiration date of this public notice.

Page 2 of 4

Regulatory Branch (File No. MVP-2018-00528-LMG) Any comments relative to MPCA's Section 401 Certification for the activity proposed in this public notice may be sent to: Minnesota Pollution Control Agency Resource Management and Assistance Division Attention: 401 Certification 520 Lafayette Road North St. Paul, Minnesota 55155-4194 6. HISTORICAL/ARCHAEOLOGICAL This public notice is being sent to the National Park Service and the State Archaeologist for their comments. The Corps will review information on known cultural resources and/or historic properties within and adjacent to the project area. The Corps will also consider the potential effects of the project on any properties that have yet to be identified. The results of this review and the Corps' determination of effect will be coordinated with the State Historic Preservation Officer independent of this public notice. Any adverse effects on historic properties will be resolved prior to the Corps authorization, or approval, of the work in connection with this project. 7.

PUBLIC HEARING REQUESTS

Any person may request, in writing, within the comment period specified in this notice, that a public hearing be held to consider this application. Requests for public hearings shall state, in detail, the reasons for holding a public hearing. A request may be denied if substantive reasons for holding a hearing are not provided or if there is otherwise no valid interest to be served. 8. PUBLIC INTEREST REVIEW The decision whether to issue a permit will be based on an evaluation of the probable impact, including cumulative impacts, of the proposed activity on the public interest. That decision will reflect the national concern for both protection and utilization of important resources. The benefit which reasonably may be expected to accrue from the proposal must be balanced against its reasonably foreseeable detriments. All factors which may be relevant to the proposal will be considered, including the cumulative effects. Among those are conservation, economics, aesthetics, general environmental concerns, wetlands, cultural values, fish and wildlife values, flood hazards, floodplain values, land use, navigation, shoreline erosion and accretion, recreation, water supply and conservation, water quality, energy needs, safety, food and fiber production and, in general, the needs and welfare of the people. Environmental and other documents will be available for review in the St. Paul District Office. The Corps of Engineers is soliciting comments from the public; Federal, State, and local agencies and officials; Indian tribes; and other interested parties in order to consider and evaluate the impacts of this proposed activity. Any comments received will be considered by the Corps of Engineers to determine whether to issue, modify, condition, or deny a permit for this proposal. To make this decision, comments are used to assess impacts on endangered species, historic properties, water quality, general environmental effects, and the other public interest factors listed above. Comments are used in the preparation of an Environmental Assessment and/or an Environmental Impact Statement pursuant to the National Environmental Policy Act. Comments are also used to determine the need for a public hearing and to determine the overall public interest of the proposed activity.

Page 3 of 4

Regulatory Branch (File No. MVP-2018-00528-LMG)

9.

REPLIES/COMMENTS

Interested parties are invited to submit to this office written facts, arguments, or objections within 30 days of the date of this notice. These statements should bear upon the suitability of the location and the adequacy of the project and should, if appropriate, suggest any changes believed to be desirable. Comments received may be forwarded to the applicant. Replies may be addressed to: Regulatory Branch St. Paul District Corps of Engineers 180 Fifth Street East, Suite 700 St. Paul, MN 55101-1678 Or, IF YOU HAVE QUESTIONS ABOUT THE PROJECT, please contact LeeAnn Glomski in our St. Paul office at (651) 290-5324 or LeeAnn.M.Glomski@usace.army.mil. In any correspondence or inquiries, please refer to the Regulatory file number shown above. To receive Public Notices by e-mail, go to: http://mvp-extstp/list_server/ and add your information in the New Registration Box.

Kristen Hafer Chief, Southwest Section

Enclosures

Page 4 of 4

21st St NE

Lambert A ve

NE

Gonz Lake

Lancate r Ave NE

Lambert Ave

22nd St SE

20th St NE

Lach m

th 17

Pl

NE

th 17 t C

an A ve

Gonz Lake Outlet Channel

Labeauxe Ave NE

Kadler Ave NE Jamison Ave NE

La

Jam b Ave or NE

d

12th St NE

Project Area

Irvine Dr

12t h

Proposed Outlet Pipe 951.5 Elevation (Proposed elevation) Ladyslipper La NE

952.5 Elevation (OHWL)

E

Public Waters

Jande l Cir

dN

James Ave NE

9th St NE

oo kw Oa

Jackson Cir NE

Proposed drainage swale no regulated impacts

"

Lak eR

Lambert Ct

14th St NE

Dr aks

Bee be

Ave

NE

15th St NE

i ng O Roll

E

ett Jan

eN Av

St

Lachma n Ave

Jackson Ave NE

ger Jal

13 th

16th St

Lake Wilhelm

n kso Jac NE e v A

16th Pl

16th St

17th Pl

18th P

l

17th St NE

18th Pl NE

10th St NE Bee be

Figure 1 - Project Location

Lake Wilhelm Outlet Improvements City of St. Michael

Public Watercourses

Lak eR

Existing Drainage Channels

d

¯

Document Path: K:\010432-000\GIS\Maps\Permitting.mxd Date Saved: 2/14/2018 3:58:36 PM

23rd St NE

MVP-2018-00528-LMG Page 1 of 5

0 1 inch = 731 feet

800 Feet

St

MVP-2018-00528-LMG Page 2 of 5 Document Path: K:\010432-000\GIS\Maps\Permitting.mxd Date Saved: 2/14/2018 3:58:36 PM

17th St NE

n kso Jac NE e v A e NE on Av Jacks

15th St NE

eN Av E ett Jan

Jamison Ave NE

Ave

NE

Jam bor A v

e NE

St

Kadler Ave NE

ger Jal

13 th

Project proposes to drain 6.17 acres of Lake Wilhelm.

Lak eR

dN

E

Project Area

James Ave NE

9th St NE

Figure 2 - Lake Wilhelm Elevation Change Lake Wilhelm Outlet Improvements City of St. Michael

"

l Cir

Jackson Cir NE

Proposed Outlet Pipe 951.5 Elevation (Proposed elevation)

Jand e

Bee be

952.5 Elevation (OHWL) Bee be

Lak eR

Public Watercourses d

Existing Drainage Channels

¯

0 1 inch = 413 feet

800 Feet

MVP-2018-00528-LMG Page 3 of 5 WL

DT

DT

DT

DT

DT

DT

DDT T

DT

DT

X

944

COM

COM

COM

COM

COM

COM

950

N

950

G

3"

FES STA:10+19 ELEV:942.18

945

945 H:

940

940 V:

DRAIN TILE PIPE INV = 942.0

40 IN

0

5

SCALE

IN

941.0 941.00

970

942.0 942.00

935 946.0 946.00

935

0 SCALE

10+50

11+00

970

TIE ALL JOINTS AND WRAP WITH GEOTEXTILE FABRIC

965 KADLER AVE. NE

960

STMH-5003 TYPE: 48" STA: 1+30.42, 0.00' RIM: 955.89 INV:951.10 (W) INV: 951.05 (S)

965

78' - 18" RCP CL III @ 0.33%

960

FES 5003 STA:2+09 ELEV:950.79

EXISTING 24" RCP STORM SEWER

PROPOSED DAM CHECK

955 STA:3+06 ELEV:950.76

117' - 18" RCP CL III @ 0.34%

STA:4+06 ELEV:949.68

PROPOSED SLOPE 1.5% EXISTING GROUND

STA:5+06 ELEV:948.60

STA:6+06 ELEV:947.52

950 APPROX. COMMUNICATION FES 5001 IE = 951.50 (29 DATUM) LINE LOCATIONS. IE = 951.63 (88 DATUM) CONTRACTOR TO FIELD VERIFY LOCATION

945

955

FES STA:9+73 ELEV:942.55 STA:7+06 ELEV:946.44

FES STA:10+19 ELEV:942.18

EXISTING SANITARY SEWER

882LF @ 1.0% - 6" HDPE PERF. DRAIN TILE PIPE (12-18" DEEP)

UTILITY PLAN & PROFILE

962.8 962.80

954.5 954.47

952.0 952.00

951.0 951.00

951.0 951.00

950.0 950.00

950.0 950.00

949.0 949.00

948.0 948.00

948.0 948.00

947.0 947.00

947.0 947.00

946.0 946.00

945.4 945.43

945.0 945.00

944.0 944.00

944.0 944.00

943.0 943.00

946.0 946.00

942.0 942.00

940

952.9 952.93

940

FEET

STA:9+06 ELEV:944.28

945 NOTE: ADD CLEAN OUT POINTS IN DRAINTILE EVERY 300'

10

950 STA:8+06 ELEV:945.36

951.1 951.06

K:\010432-000\Cad\Plan\010432-000-C-04-STRM-PP-WILHELM.dwg 3/15/2018 11:43:17 AM

APPROX. GAS AND COMMUNICATION LINE LOCATIONS. CONTRACTOR TO FIELD VERIFY LOCATION

80 FEET

54301

COM

COM

LIC. NO:

COM

COM

DATE: 11/12/2017

COM

COM

3" 3"

OHE

OHE

OHE

OHE

WILLIAM C ALMS, PE

1

95 3

95

4

955

6 95

95

7

958

E

OH

COM

OHE

94

94

94

COM OHE

COM OHE

COM OHE

COM OHE

COM OHE

5

6

7

948

94

18"

ST

COM

9

0 95

95 COM OHE

COM OHE

COM OHE

COM OHE

COM OHE

COM OHE

COM OHE

COM OHE

OHE

2 95

COM

COM

COM

COM

COM

COM

COM

DATE

G

G COM

G COM

960

962

959

E

OH

COM

963

964

COM

COM

COM

COM

COM

CITY OF ST. MICHAEL

8 94

COM

COM

COM

COM

REVISIONS

COM

945

954 953

CHECK BY: TEH

I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MYNO. DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA.

X

G

DTL

947

PLAN BY: CKJ

LAKE WILHELM OUTLET PROJECT

X

COM

DTL

DTL

948

949

DESIGN BY: BCA

DTL

DTL

DTL

SCALE: AS NOTED

11+50

11+00

10+00

9+00 DTL

DTL

941

X

COM

DTL

DTL

950

951

8+00 DTL

942

X

OHE

5+00

DTL

DTL

7+00

943

944

1 95

95 2

X

95 5

X

G

960 X

OHE

947

949

DESCRIPTION

COM

G

OHE COM

X

COM

X

COM

X

OHE

X

FM

X

C

COM ST

X

M

G

COM

X

COM

4+00

COM

COM

COM

VLT

O

COM

FM

8 94

15TH STREET NE

COM

ST

X

COM

COM

EXISTING FES (SEE BELOW)

6

94

X

DTL

951 952 953 954

6+00

WSB PROJECT NO.: 010432-000

CONECT HEADWALL DRAINTILE X

G COM

CONSTRUCTION LIMITS

3 95

4 95

946

954 3+00953952951 DTL DTL

DT L

RIM: 962.70 M INV: N 940.90 CO INV: E 940.90 INV: W 940.80

S

5

2+00

E

S S

96

FES 5003 WITH 7 CY RIPRAP CL III GEO TEXTILE FABRIC. SEE DETAIL ST-3A

COM

OH

WSB

1+00

X

NWL=951.63 (NGVD 88) NWL=951.50 (NGVD 29) OHL=952.63 (NGVD 88) OHL=952.50 (NGVD 29) HWL=952.82 (NGVD 88)

COM

11800 TOWN CENTER DRIVE NE ST. MICHAEL, MN 55376 (763) 497-2041

WL

X

Temporary impacts 0.09 acre Permanent impacts 40 square feet

X

0+00

S

DT

DT

STMH-5002

FES 5001

COM

DT

WL

KADLER AVE. NE

G COM

G COM

OHE

COM

WL

CONSTRUCT COFFER DAM TO INSTALL OUTLET PIPE FLOATING SILT CURTAIN

DT

X

EDGE OF WATER ELEV = 953.5 (8/2/2017)

DT

WL

LAKE WILHELM

DT

X

COM

KADLER AVENUE NE & 15TH STREET NE

0+00

0+50

1+00

1+50

2+00

2+50

3+00

3+50

4+00

4+50

5+00

5+50

6+00

6+50

7+00

7+50

8+00

8+50

9+00

9+50

10+00

10+50

SHEET EX-1 OF

3

MVP-2018-00528-LMG Page 4 of 5

DITCH 950

11800 TOWN CENTER DRIVE NE ST. MICHAEL, MN 55376 (763) 497-2041

94

5

940

941 940

7+00

WSB PROJECT NO.: 010432-000

9

8+00

941

932

94

9+00

2 939

REVISIONS

950

F O E ED G

953

945

N

CLEAR AND GRUB 4 FOOT WIDE CHANNEL ALONG DITCH BOTTOM ( TOTAL LENGTH = 1,830 LF, AREA = 7,320 SF / 0.17 ACRES )

H:

V:

0

40

SCALE

IN

0

5

SCALE

IN

80 FEET 10 FEET

950

950

945

945 EXISTING GROUND (FIELD SHOTS & LIDAR)

940

940 PROPSED CHANNEL SLOPE 0.20%

935

935

930

930

30" RCP FES = 932.37

925

925

30" RCP FES = 932.36

PLAN AND PROFILE

931.6 932.29

932.3 932.19

932.5 932.09

931.2 931.99

931.4 931.89

932.3 931.79

933.0 931.69

931.8 931.59

931.5 931.49

931.4 931.39

931.3 931.29

931.3 931.19

931.4 931.08

931.0 930.98

930.9 930.88

931.0 930.78

931.1 930.68

930.8 930.58

929.7 930.48

930.7 930.38

932.1 930.28

920 936.1

920 936.0

K:\010432-000\Cad\Plan\010432-000-C-XX-STRM-PP-GONZ.dwg 3/23/2018 6:35:48 AM

STRM-2 EXISTING 30" RCP STORM SEWER

CHECK BY: TEH

DATE

W AT ER

W AT ER

93 7

939

942

1

943

PLAN BY: CKJ

940

942 94

11+00

937

945

F O

10+00

54301

943

E

LAK GONZ

E

940

DESIGN BY: BCA

LIC. NO:

4 94

0+00

SCALE: AS NOTED

DATE: 11/12/2017

936

I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MYNO. DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA.

1+00

ED G

937

LAKE WILHELM OUTLET PROJECT

936

2+00

WILLIAM C ALMS, PE

3+00

93

CITY OF ST. MICHAEL

940

WSB

6+00

4+00

DESCRIPTION

5+00

0+50

1+00

1+50

2+00

2+50

3+00

3+50

4+00

4+50

5+00

5+50

6+00

6+50

7+00

7+50

8+00

8+50

9+00

9+50

10+00

10+50

11+00

SHEET EX-2 OF

3

MVP-2018-00528-LMG Page 5 of 5

DITCH 945

22

+0

0

950

+0

0

12+

WSB PROJECT NO.: 010432-000

934

00

WSB

21+0 0

94 0

9 94

4 93

9356 93

9 42 94 1

931

13+0

0

14+00

15+00

934

20+00

19+00

18+00

17+00

16+00

EDGE OF WATER

CHECK BY: TEH

950 C.S.A.H. No. 19 (LABEAUX AVE. NE)

945

945 EXISTING FIELD CROSSING EXISTING GROUND (FIELD SHOTS & LIDAR)

940

PROPSED CHANNEL SLOPE 0.20%

EXISTING 30" RCP STORM SEWER

935

930

54301

930

EXISTING 30" RCP STORM SEWER IE = 929.92 FES = 928.72

925

925

FES = 928.41

PLAN AND PROFILE

932.2 930.08

931.5 929.98

931.4 929.88

931.2 929.78

931.2 929.68

931.7 929.58

931.1 929.47

931.5 929.37

931.6 929.27

931.3 929.17

931.2 929.07

930.9 928.97

930.0 928.87

930.6 928.77

940.7

944.9

933.4

931.0

930.5

930.0

930.0

920 932.2 930.18

920 932.1 930.28

LIC. NO:

10 FEET

DATE: 11/12/2017

5 IN

WILLIAM C ALMS, PE

0 SCALE

80 FEET

CITY OF ST. MICHAEL

IN

950

940

DESCRIPTION

REVISIONS 40

LAKE WILHELM OUTLET PROJECT

V:

0 SCALE

I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MYNO. DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA.

DATE

N

2 94 H:

K:\010432-000\Cad\Plan\010432-000-C-XX-STRM-PP-GONZ.dwg 3/23/2018 6:33:15 AM

PLAN BY: CKJ

00

935

CLEAR AND GRUB 4 FOOT WIDE CHANNEL ALONG DITCH BOTTOM ( TOTAL LENGTH = 1,830 LF, AREA = 7,320 SF / 0.17 ACRES )

IE = 929.97

DESIGN BY: BCA

931 EDGE OF WATER

934

935

SCALE: AS NOTED

26+

11

945

C.S.A.H. No. 19 (LABEAUX AVE. NE)

940

11800 TOWN CENTER DRIVE NE ST. MICHAEL, MN 55376 (763) 497-2041

11+50

12+00

12+50

13+00

13+50

14+00

14+50

15+00

15+50

16+00

16+50

17+00

17+50

18+00

18+50

19+00

19+50

20+00

20+50

21+00

21+50

22+00

SHEET EX-3 OF

3

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