HomeMy WebLinkAbout2.0 Staff ReportBOCC (04/07/08)
ICE
PROJECT INFORMATION AND STAFF
REQUEST: Application for Site Approval for Expansion of an
Existing Domestic Wastewater Treatment Works
APPLICANT: Town of New Castle
LOCATION:
NE %., SW '/4, Section 31 Township 5S Range 90W
I. SUMMARY OR REQUEST
The New Castle Wastewater Treatment Facility (WWTF) is owned and operated by the Town of
New Castle. The Town is seeking a plant expansion and a change in process at the facility.
A Site Location Approval was referred to the Board of County Commissioners in January 2007.
That application was for a permit increase, however no plant expansion nor modification was
requested at that time. CDPHE staff has put the permit increase on hold for replacement/substitution
by this application for expansion of existing domestic wastewater treatment
The proposal requests to expand the WWTF from its current capacity to for a phased expansion
which would ultimately allow for 1.8 MGD, the maximum service anticipated as needed given the
currently approved build -out of the Town.
The proposal also includes new processes to be utilized in the treatment including flow splitting,
extended aeration through a combination fixed film process (KALDNES), nitrification,
denitrification, circular clarifiers with mechanical scraper arms, scum removal, RAS and WAS
pumps, UV disinfection, aerobic digesters and a dewatering device.
A. Service area and Population
The existing service area of the treatment facility will not change. Presently the population of
The Town of New Castle is 3,450. This permitted increase will allow the Town of New
Castle to provide service for a population of 5,300 which is expected to occur sometime after
2015.
B. Description of Selected Alternative
No alternatives are discussed because this is only a permit increase in the hydraulic and
organic capacities.
IIL RELATIONSHIP TO THE COMPREHENSIVE PLAN
The Town of New Castle Wastewater Treatment Facility is located within its municipal boundaries.
Therefore, the Garfield County Comprehensive Plan of 2000 designation is City/Town.
LOCATION MAP
H. ISSUES AND CONCERNS
A. Role of the Board of County Commissioners
State Statutes: C.R.S. 25 -8 -702(2)(a -c), and the "Regulations for Site Applications for
Domestic Wastewater Treatment Works", defines the parameters by which the Water
Quality Control Division ("Division") shall review and approve or deny a site application
for a wastewater treatment works. The Division is required to determine that each site
location is 1) consistent with the long range, comprehensive planning for the area in which it
is to be located; 2) that the plant on the proposed site will be managed to minimize the
potential adverse impacts on water quality; and 3) must encourage the consolidation of
wastewater treatment works whenever feasible.
The Applicant is required to obtain a recommendation of approval, denial or no comment
from the Garfield County Board of Health and County Board of County Commissioners and
various other local and regional agencies.
Therefore, Garfield County's involvement in the process is to determine whether or not the
proposed wastewater treatment work is consistent with "the long-range comprehensive plan
for the area as it affects water quality and any approved regional wastewater management
plan for the area".
B. Garfield County Public Health Department
Garfield County Environmental Health Manager reviewed the application and had a comment
regarding odor at this Wastewater Treatment Facility. The Department's comments were a
reiteration of concerns identified in the January, 2007 referral request. Jim Rada has stated
that this plant experiences significant odor issues and notes this application does not mention
any strategies for odor control. It is his recommendation that Garfield County take this
opportunity to at least ask how this project will address the ongoing odor issues at the plant.
issues at the plant.
V. RECOMMENDATION
Staff recommends that the Garfield County Board of Health recommend APPROVAL of the site
application for the Town of New Castle Wastewater Treatment Plant, and request information
regarding odor abatement relative to the proposed changes in treatment.
Page 1 of 1
Kathy A. Eastley
From: Jim Rada
Sent: Friday, March 07, 2008 9:23 AM
To: Kathy A. Eastley
Subject: FW. New Castle Wastewater treatment facility.
Attachments: Jim Rada.vcf, Jim Rada.vcf
Here you go Kathy,
I sent this last Monday.
Jim Rada, KE H5
Environmental Health Manager
Garfield County Public Health
195 W 141h Street
Rifle, CO 81650
Phone 970.625-5200 x8113
Cell 970-319-1579
Fax 970.625-8304
Email jrada@garfield-county.com
Web www aafield_countycom
From: Jim Rada
Sent: Monday, March 03, 2008 4:54 PM
To: Kathy A. Eastley
Subject: New Castle Wastewater treatment facility.
Hello Kathy,
I have no comments specific to the design of this facility. Although no mention is made in the report, my office
has only been involved with this treatment plant in that we have received a number of odor complaints in the past
specific to this plant during my 2.5 years with the County. I am assuming this new treatment system may provide
for odor control but the design details not specific with regard to this issue.
Perhaps the County could at least ask how this project will address the ongoing odor issues at the plant.
Thanks for including me in the referral of this project.
Jim Rada, KE -h5
Environmental Health Manager
Garfield County Public Health
195 W 14u' Street
Rifle, CO 81650
Phone 970-625-5200 x8113
Cell 970-319-1579
Fax 970-625-8304
Email jrada@garfeld-county.com
Web www.ga�el_d-cQoty_.com
3/7/2008