Conservation Commission Agenda (linked)

[RECEIVED
Docusign Envelope ID: 202DB743-3AD7-4AF7-9301-B92GAAE2D 171
SEP 1 6 2024
TOWN OF WATERFORD . ‘
ication fe ater’ Planning & Developmen!
Application for Inland Wetland / Watercourse Permit xaunrot Waterford). Ch
Type of Application: Agency Use: /
Permitted Use, Section 4.1 Date Received: ‘bad £6 _ aO yf
Unregulated Activities, Section 4.2 Received By: ‘
Regulated Activities, Section 6 v Fee: qt 0 00 Application Number: Crk 4. (6) 9
1. Applicant: Tnkeavity Propec tyes phone: 0 O ~ 038-8324
Address: | Vincent Cour b, Cunt State: CT Zip: OUI5
Fax: N/A E-Mail: mike® call iNaN ConsWuCch on \IC. Cam
2. Owner: Michaw| Jeri evski Phone: $O- | 37 = o6 4
sane | | Whustl »tywin Rad. East Lyme coms Teel zip 0033 4
Fax: NJ [A E-Mail: witrte S4Caol. wm
3. Agent: Cl A Engines Phone: $W0-$6- IGol
Address: 3 7 Maun St, Noy Wich stie Cl tip Oo 0 O
ra: $100 - 68 (p~ q | (p a emai: DYUSSO © ClacnginewS. Cov”)
4. Property Address: 254 Bloomingdale Rd, walker FALL, CT
5. Abutting Property Owners — Complete Attacked Form See Attachedl Abvther’ Litt
6. Activity to be Reviewed and / or Licensed (attach sheet if necessary):
Residential Improvements, Adtitiong & New Sivuchrrs (addithmel
duo in ottacd warvatve
7. Description of Proposed Activity (attach sheet if necessary):
See attachue navvathve
8. Purpose of Activity (attach sheet if necessary): Sen attached Vorvvayve
9a, Acreage of Property: 2. 4| QU 9b. Acreage of Wetlands: oO. OTLac
10. Acreage of Wetlands Altered: O. Oac
11. Wetland Mitigation Proposed: N/A
12. Section 7 and sections 8.1 & 8.2 of the Town of Waterford “Inland Wetlands and Watercourse Regulations”
have been complied with: (Review attached check list) Yes: we No:
The applicant / owner hereby gives the Commission, its agent and consultants the right of free aceess to any part of the property under
consideration. The undersigned warrants the truth of all statements contained herein and in all supporting documents according to the best of
his / her knowledge, information and belicf.
Applicant: Michael Callinan Date: 9/5/2024
Owner: (Aida aieasti MeHEe) Jez heraki Date: 9/5/2024
VL Apbighis [7
Agent: VPC A CAM, Date: 9/3/2024
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Page 1 of 2
CLA Engineers, Inc.
Civil © Structural * Survey
317 MAIN STREET ° NORWICH, CT 06360 ° (860) 886-1966 e (860) 886-9165 FAX
August 29, 2024
RE: Inland Wetlands and Watercourses Application
Town of Waterford
234 Bloomingdale Rd
Waterford, CT
CLA-7880
DEVELOPMENT NARRATIVE: 234 BLOOMINGDALE RD
The site is a 2.41 acre parcel located on the north side of Bloomingdale Rd just east of the
intersection with Millers Pond Rd Currently, the parcel is undeveloped and covered with
forest. The southern and eastern edges of the parcel are forested. Hunts Brook runs
northward across the north end of the property and later joins the Thames River system.
The wetland associated with Hunts Brook is identified as Wetland 3 on site plans.
Additionally, two small wetland areas (identified as Wetland 1 and Wetland 2 on the plans)
are located on the property. The inland wetland boundary was delineated by Robert Russo,
CSS and Molly Ahern, MESM on June 24, 2024. The wetland boundary and proposed
driveway crossing are shown on the plans prepared by CLA Engineers dated August 20, 2024,
and a full wetland narrative and functional assessment are included in this application.
The surrounding neighborhood is zoned residential (R-40) per 2022 update of the Town of
Waterford Zoning Map and consists of low- to medium-density single family residential
lots, most of which are developed.
The proposed construction project at the site is a single-family, four-bedroom home with
a driveway and 1,500-gallon septic system. No work is planned in the wetlands, but the
septic tank and associated leaching system are proposed within the 100-foot upland
review area of Wetlands 1 and 2. No landscape grading is proposed on the site.
Contractors will utilize typical loaders, rollers, dump trucks, and other typical
construction equipment for the construction of the driveway and house. The septic
system will be installed using typical excavators and septic installation equipment as
noted on plans. Erosion and sedimentation controls will be taken where necessary to
prevent sedimentation into wetlands, including the installation of silt fence around the
perimeter of the work area.
Alternative designs for this project were not considered as the current proposed activity
alters a total wetland area of zero (0) acres. Due to spatial constraints (i.e. minimum front
CLA Engineers, Inc. | 317 Main Street, Norwich CT 06360 | 860.886.1966 | www.claengineers.com

Page 2 of 2
June 6, 2024
setback of 50’ in Waterford), there is no way to move the septic system further from the
wetlands than indicated on the plans.
CLA Engineers, Inc. | 317 Main Street, Norwich CT 06360 | 860.886.1966 | www.claengineers.com

CLA Engineers, Inc.
Civil ® Structural © Survey
3417 MAIN STREET e NORWICH, CT 06360 ° (860) 886-1966 ° (860) 886-9165 FAX
September 3, 2024
Waterford Conservation Commission
Attn: Maureen FitzGerald, Environmental Planner
15 Rope Ferry Rd
Waterford, CT 06385
Re: | Town of Waterford
234 Bloomingdale Rd
Waterford, CT
CLA #7880
Dear Ms. FitzGerald:
On behalf of the applicant, CLA Engineers has performed a delineation and functional evaluation of
the inland wetlands at the referenced site and assessed the site to provide a basis for determining the
potential for impacts. The inland wetland boundary was delineated by Robert Russo, CSS and Molly
Ahern, MESM on June 24, 2024. The wetland boundary and proposed development are shown on the
plans prepared by CLA Engineers dated August 20, 2024. These data were augmented with additional
online information from CTDEEP, USFWS, USGS, and the Town of Waterford.
Site Setting
The site is a 2.41 acre parcel located on the north side of Bloomingdale Rd just east of the
intersection with Millers Pond Rd Currently, the parcel is undeveloped and covered with forest.
The southern and eastern edges of the parcel are forested. Hunts Brook runs southeast across the
north end of the property and later joins the Thames River system. The wetland associated with
Hunts Brook is identified as Wetland 3 on site plans. Additionally, two small wetland areas
(identified as Wetland 1 and Wetland 2 on the plans) are located on the property.
The surrounding neighborhood is zoned residential (R-40) per 2022 update of the Town of
Waterford Zoning Map and consists of low- to medium-density single family residential lots, most
of which are developed.
Soils
The upland and wetland soils mapped by NRCS are listed in the table below. Additional
descriptive details are provided in Appendix A.

Table 1 - Soil Types and Properties at the Bloomingdale Rd Site
Soil Series Parent Material | Drainage Class Texture/Characteristics
Agawam Coarse-loamy Well drained Fine sandy loam
eolian deposits
Rippowam* Coarse-loamy Poorly drained Fine sandy loam
alluvium
*Hydric (wetland) soil type
The wetland soil unit mapped on this site consists of Rippowam fine sandy loam. The Rippowam
series consists of very deep, well drained soils formed in sandy, water deposited materials. They
are level to steep soils on outwash plains and high stream terraces.
The upland soil mapped on this parcel is Agawam fine sandy loam. The Agawam series consists
of very deep, poorly drained loamy soils formed in alluvial sediments. They are nearly level soils
on flood plains subject to frequent flooding.
Wetland Characteristics
Classification
The National Wetlands Inventory (NWI https ://fwsprimary.wim.usgs.gov/
wetlands/apps/wetlands-mapper/) shows the onsite wetlands as palustrine forested wetland
(PFO1E). The description of that classification is provided below.
Classification code: PFO1E
System Palustrine (P): The Palustrine System includes all nontidal wetlands dominated by trees,
shrubs, persistent emergents, emergent mosses or lichens, and all such wetlands that occur in tidal
areas where salinity due to ocean-derived salts is below 0.5 ppt. It also includes wetlands lacking
such vegetation, but with all of the following four characteristics: (1) area less than 8 ha (20 acres);
(2) active wave-formed or bedrock shoreline features lacking; (3) water depth in the deepest part
of basin less than 2.5 m (8.2 ft) at low water; and (4) salinity due to ocean-derived salts less than
0.5 ppt.
Class Forested (FO): Characterized by woody vegetation that is 6 m tall or taller.
Subclass Persistent (1): Dominated by species that normally remain standing at least until the
beginning of the next growing season. This subclass is found only in the Estuarine and Palustrine
systems.
Water Regime Seasonally Flooded/Saturated (E): Surface water is present for extended periods
(generally for more than a month) during the growing season, but is absent by the end of the season
in most years. When surface water is absent, the substrate typically remains saturated at or near
the surface.

Wetland hydrology
Because no activities are planned within the 100-foot upland review area associated with Hunt’s
Brook (Wetland 3), the below functional assessment focuses only on the functions provided by
Wetlands 1 and 2. Wetland | is a small, highly disturbed depression with seasonal inundation.
Some evidence indicates that Wetland 1 may be a vernal pool (high water marks but no water
present during August site investigation, deep depression, some amphibians present), but
springtime assessment is required to confirm whether this is the case. Wetland 2 is a small forested
swamp dominated by Acer rubrum in the tree stratum. The wetland is seasonally saturated.
Factors important to functional assessment
The following observations are important to the functional assessment and are listed here to
provide context to the later discussion of functions and values.
1. Connecticut protected species are not known to be present on the site per the June 2024
update of the CTDEEP NDDB. The full NDDB map is included as Appendix B.
2. The stream present on the northern end of the property, Hunts Brook, has a known fish and
macroinvertebrate community per CTDEEP research. Detailed species lists are provided
in Appendix C. No activity is proposed in proximity of Hunts Brook or its associated
wetland (Wetland 3).
3. The local zoning is residential (R-40) per the Town GIS, and the surrounding parcels
appear to be used for single-family residences.
4. The wetlands have coarse-loamy alluvial and eolian soils within per available online
mapping.
5. Wetlands 1 and 2 are not part of a larger watercourse system, but are close to the Thames
River system.
6. The wetlands appear to be highly disturbed but functional.
Principal functions
The functional assessment was conducted using the USCAE Highway Methodology
(https://www.nae.usace.army.mil/Portals/74/docs/regulatory/F orms/HighwaySupplement6A pr20
15.pdf). The assessment is included as Appendix C and it revealed that the wetlands have the
following principal functions:
1. Sediment and toxicant retention
2. Nutrient removal
3. Wildlife habitat
Potential for Impacts
As shown on the project plans, no activities are planned in any of the three wetlands identified on
site. However, some of the proposed activities will take place within the 100-foot upland review
zone for Wetlands 1 and 2, with the nearest activity taking place 50 feet from Wetland 1. These
activities are as follows:

1. Installation of a septic system featuring a 1,500-gallon tank and one 12x48’ leaching trench
suitable for the planned 4-bedroom home
2. Clearing of upland vegetation
3. Grading soil for the house and septic system
4. Installation of erosion and sedimentation control measures such as silt fence and hay bales
where appropriate as indicated on plans
The proposed activities outlined above may impact the wetland’s principal functions in the
following ways:
1. Sediment and Toxicant Retention: If Wetland 1 is cleaned and restored to its original
state (i.e. before it became degraded), then it will still be able to effectively perform its
sediment and toxicant retention function, improving water quality.
2. Nutrient Removal: Because poorly drained and very poorly drained soils are known to
exist both in and around the wetland, the wetland will remain able to remove nutrients
after septic system installation.
3. Wildlife Habitat: As long 'as proper erosion control measures are in place per the
attached site plans, there is no reason for the installation and use of a septic system of
the proposed size to interfere with the wetlands’ ability to serve as a wildlife habitat.
Summary
In short, the installation of a septic system suitable for a four-bedroom home in the upland review
area surrounding Wetlands 1 and 2 is not expected to decrease the wetlands’ functionality in
retaining toxicants, removing nutrients, and serving as a unique wildlife habitat.
Sincerely,
Molly K. Ahern, MESM
Soil Scientist, CLA Engineers
Norwich, CT

Appendix A: Soil Map
Adapted from Web Soil Survey, U.S. Geological Survey, U.S. Department of Agriculture

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Soil Map—State of Connecticut, Eastern Part
- 7880 - 234 Bloomingdale Rd
Map Unit Legend
Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI
29B Agawam fine sandy loam, 3 to 48 54.9%
8 percent slopes
61C Canton and Chariton fine 0.0 0.5%
sandy loams, 8 to 15 percent
slopes, very stony
73C Charlton-Chatfield complex, 0 0.1 0.7%
to 15 percent slopes, very
rocky
103 Rippowam fine sandy loam 3.8 43.9%
Totals for Area of Interest 8.7 100.0%
uspA Natural Resources Web Soil Survey 8/27/2024
“al Conservation Service
National Cooperative Soil Survey
Page 3 of 3

Appendix B: NDDB Map for Waterford, CT
Updated June 2024

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Appendix C: Fish Surveys
Adapted from CTECO DEEP Community Fisheries Data
Samples collected downstream of the property Hunts Brook
Sample Year 2013
Sample ID 151362013
American Eel 16
Blacknose Dace 2
White Sucker 3
Sample Year ; 1993
Sample ID 151361993
Aeshnidae 1
Athericidae
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Appendix D: Army Corps Wetland Assessment
Sheet and Species List

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