WQCS00057_NOV2021DV0154 Response_20210330

..ify of Thomasville
Thomasville, NorthCarolina27360
Lon T. Snider
Regional Supervisor
WQROS, WSRO, .DWQ, NCDEQ
450 W. Hanes Mill Road, Suite 300 .: .
Winston-Salem, NC 27.105. •
RE: Intent to Enforce Letter Response
_ Incidents Numbers 202003433; 2020034643,.202003495, and 202003543
NC Department of
Environmental Quality
Received
APR-0.11,: 2021
•Winston=Salem
Regional Office
Utilities Department
-3.0 March 2021
Dear Mr. Snider;
• In response to the letter of Intent:to Enforce of 25 March 2021:the City of Thomasville asks that
the following betaken unto. consideration::.• :.'.
:Regarding all four incidents #.'s;202003433, 2020034643,".202003495,-and202003543 These -
events all occurred during a period; in: which -the flow from the pump station that was the site of these
spills was restricted due to the failure of one of the -two force mains that this station uses:to: discharge.
The endresult being that flow out ofthis station was greatly restricted; resulting in:"these•.spills.: As the
force mainwas installed22feet deep -and Underneath a bridge and•concrete buttress wall:by.NCDOT in.
2002 there was'no feasible means of repairing the line..A contractor•was hired and hat installed a new
line bypassing the area of deeply buried bad pipe at a,cost of $131,240-to. the city. This updated section,.
of force main became"usable on the.'mor.ning of 04 February 2021..and there_has been one additional
spill:at this; location as a result of the repairs.made..There were no known impacts to public health; -fish
kills, :or-recreetional area closures as:a• result of these Spills,. and' there have been- no "additional "incidents: :
: at this location since the :repairs were completed d_ espite two. precipitation events:that: exceeded those
that:occurred Whentheseevents took. place:. •: : • • : - :
Additionally; there are known issues with Inflow and infiltration in: the collection system leading,
to this pump station that:arein process of being at least partially addressed through the Hanks Branch.
Rehabilitation Phase 2." Hanks Branch.Rehabilitation Phase.1 fined=and sealed the main outfall line
;.discharging into this station: Hanks.Branch Rehabilitation -Phase 2'Which it -designed to reline and
replace multiple lines that discharge into the main:outfall to help reduce I&I sources identified.by smoke
testing •and.video inspections has been bid and awarded to J Smith Civil, LLC at a bid price of.
$1,591,431.40. _ •: •• • • '
The above statements .areto. share with•you that the -City of Thomasville is taking steps to-
addressthe issues tha.t:led to these spills and to help: prevent -•recurrences of_ same:_ The City.of .
Thomasville has spent and Will continue to spend millions of dollars.to protect the'environment by
identifying and correcting deficiencies in the collection system: -
',The City of Thomasville asks•that the ongoing:efforts to upgrade all aspects of the sanitary
sewer collection system betaken into account with any enforcement.actions considered:
Sincerely,
CC: Michael Brandt
Morgan Huffman
Public Utilities. Director
City .of Thomasville
336-475=4220