CORRECTIVE ACTION PLAN

Madera Farms Prince William County

Prepared By: Virginia Waters & Wetlands, Inc.

6700-A Kennedy Rd. Warrenton, VA 20187

SUBMITTAL TO COMMONWEALTH OF VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY

June 17, 2015

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TABLE OF CONTENTS

SECTIONS I. Introduction II. Site History III. Proposed Actions IV. Conclusion

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I. Introduction This Corrective Action Plan is intended to amend the Consent Order received by Madera Farm, LLC on June 9, 2014. According to the Consent Order Section E: Administrative Provisions, subsection 1. “The Board may modify, rewrite, or amend this Order with the consent of Madera Farm for good cause shown by Madera Farm, or on its own motion pursuant to the Administrative Process Act, VA. Code 2.2-4000.” Inaddition,withinAppendixA“ScheduleofCompliance”oftheConsentOrderitstates:“AnychangestotheapprovedFinalPlanorscheduleshallnotbeinitiatedwithoutadvancenoticetoandapprovalbyDEQ.” This Corrective Action Plan seeks to amend the Final Mitigation Plan dated 2/11/2014 referenced in the Consent Order. II. Site History The DEQ Consent Order for Madera Farm was issued on June 9, 2012. The United States Department of the Army Norfolk District, Corps of Engineers (COE) Nation Wide Permit #18 (permit number NAO-2013-00987) was issued on June 9, 2014 and received via email from COE on June 12, 2014. Madera Farms is a 126-acre parcel in Prince William County, VA. Proposed jurisdictional project impacts consist of 1.44 acres of permanent Palustrine Forested wetlands (PFO) and 5.307 acres of farm exemption PFO wetland impacts. In addition, 15 linear feet of ephemeral stream will be impacted under the farm exemption and 281.03 linear feet of ephemeral stream will be temporarily impacted. Per the Mitigation Plan approved and referred to in the Consent Order, approximately 1.066-acres of PFO wetlands and 570.02 linear feet of ephemeral stream will be restored and 0.374 acres of created wetlands will be added onsite to compensate for impacts. The Madera Farms Final Wetland and Stream Mitigation Plan dated 2/11/2014 was accepted by DEQ on February 21, 2014. In August 15, 2014 a request for extension was issued to DEQ regarding the construction timeline established in the Final Mitigation Plan. This extension and new timeline for construction was accepted by DEQ on September 9, 2014. III. Proposed Actions For the Madera Farms Corrective Action Plan, VW&W proposes to amend the Madera Farms Final Mitigation Plan in two ways:

1) Move the location of the stream mitigation The Madera Farms Final Mitigation Plan dated 2/11/2014 (Figure 1) shows the approved stream mitigation. The approved stream mitigation is one stretch of 570 linear feet established south of the “Ring Road” in the middle of the property and flowing south west into the farm pond. This

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stream mitigation included one small ingress/egress point and was flanked by 50 feet buffers surrounded by fence line. Construction and survey of the farm pond began in April 2015. The Final Mitigation Plan was based on Prince William County topography and preliminary construction plans for the farm pond. These plans were still in their infancy when the consent order began and have proven to require change based upon on-site conditions. While the farm pond and the wetland mitigation area will remain unchanged, on site conditions necessitate the change of the stream mitigation area. The proposed change to the mitigation is shown in Figure 2. This depiction of the proposed stream mitigation shows two streams in a Y formation leading into the pond. Current site conditions at Madera show that the groundwater seep begins at the northwestern point of the proposed stream mitigation. Currently, wetland plants are found growing and a small stream channel is beginning. It is likely that the groundwater percolation flows from this location due to topographical changes made onsite. In addition, the upper area near the ring road and east of the building is a heavily trafficked area and is dry. For the sake of preserving the stream while maintaining useable farmland, moving the stream mitigation south and creating a forked streambed makes sense and better fits existing on-site conditions. This area is entirely south of the farm fence line that is in place and will have an additional fence line around the mitigation area. Figure 2 shows the proposed stream mitigation overlaid over the approved stream mitigation for easy reference. The proposed change results in an additional 26 linear feet of stream and an additional 0.035AC of buffer zone. IV. Conclusion This Corrective Action Plan was created to amend the Madera Farms Final Mitigation Plan dated 2/11/2014 and referenced in the Consent Order. This CAP seeks to change the location of the stream mitigation. The linear feet of stream and associated buffer zone will increase slightly (please see figure 2). If you have any questions or comments, please do not hesitate to call.

Sincerely, Allison Austin, M.S., PWD, PWS

Figure 1

Madera Farm Final Mitigation Plan

Mitigation Plan View Sheet 2 of 7

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DateDescription

Designed By Drafted ByAH

DateDecember 18, 2013

Scale

SHEET 2 OF 7

Approved ByChecked By

PWC GPIN7493-24-4694

VWW

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Proposed Riprap Pond Inlet

FARM POND

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VWW Review 1/7/2014

Berm to Help Retain Water within Wetland Creation/Restoration Area

DEQ Review 1/24/2014

DEQ Review 2/11/2014

Figure 2

Madera Farm Final Mitigation Plan Revision Request

Mitigation Plan View

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DateDescription

Designed By Drafted ByAH

DateJune 9, 2015

Scale

SHEET 2 OF 7

Approved ByChecked By

PWC GPIN7493-24-4694

VWW

Natural Spring

Proposed Riprap Pond Inlet

FARM POND

NURSERY STOCK AREA

Berm to Help Retain Water within Wetland Creation/Restoration Area

LegendNew Fencing

l l l 3/4" Caliber Stream Bank Planting (10' OC)

Old Stream Channel Restoration

New Stream Buffer

buildings

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Streams

888 888 888 888 Existing LOC

Farm Ring Road

Wetland Grading Lines

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Parcel

PFO Wetlands