SWM-CS 100618 ��E �F
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Jon Niermann, Chc�irrrtan �,:v� � ��
EmilyLindley, Commissioner ����,�'�� i�
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Toby Baker,Executive Director � _�
TE�iAS COMMISSION ON ENVIRONMENTAL QUALITY
Protecting Texas by Reducirtg��rte�Preventiny Pollution
OctoUer 1G, 2018
Mr. Wayne Reynolds, Board President
c/o Mr. Michael Garza, P.E., Assistant Director of Engineering
Northwest Dallas County Flood Control District
2 G 5 East Parkway Boulevard
Coppell, Texas 75019
Re: Northwest Dallas County Flood Control District Phase II MS4 - Year 4 Annual
Report Review TPDES Permit Authorization No. TXR040053
(CNGOOG50584; RN10548384G)
Dear Mr. Reynolds:
We have received the annual report for the Northwest Dallas County Flood Control
District MS4 that was submitted on March 19, 2018, for the Year 4 reporting period for
the above-referenced permit authorization" and suUsequent information submitted
mail on April 17, 2018. We have performed an administrative and technical review of
this report and Uased on the information provided it appears that your annual report
includes all of the required information.
Please note that additional inforination or revisions inay be required as a result of an
inspection or an audit to determine coinpliance with the approved inunicipal separate
storm sewer system (MS4) Storinwater Management Program (SWMP) and the
Phase II MS4 General Permit TXR040000.
If there are any differences between the approved SWMP and the inforination provided
in this annual report or iuture reports, you must submit a i�otice of Change (NOC}
form (TCEQ-20392), as required by the Phase II MS4 General Perinit (TXR040000).
The annual report is due within 90 days of each reporting year as specified in your
Notice of Intent (NOI). The TeYas Commission on Envirorunental Quality (TCE� has an
annual report form (TCEQ-205G1) available, and the MS4 operators inust use the
template when preparing and submitting subsequent reports (See Part IV.B.2 of the
general permit). This will greatly assist us in reviewing the reports and will help to
ensure that you include all the required eleinents. The form is available at the
TCEQ website at: https://www.tceq.texas.gov/search forms.html. After you open the
webpage scroll to Current Form Search. Enter 20561 in the box under Form Number
and click on Submit to download the annual report forin.
P.O.Bo� 13087 • Austin,Tes�s 78711-3087 • �12-239-]000 • tceq.te�as.gov
Ho�v is ow�customer service? tceq.texas.gov/customersurvey
pnn[cd on rccycicd paper
Mr. Wayne Reynolds, Board President
Pag� 2
October 1G, 2018
Please make sure to also forward a copy of your annual reports to your local TCEQ
regional office. If we have asked you to make changes to the annual report during
our review process, please submit the updated annual report to your local regional
office.
Finally, please be aware that discharges of the pollutant(s) of concern to iinpaired
water bodies for which there is a total maximum daily load (TMDL) implementation
plan are not eligible for coverage under the Phase II MS4 General Permit unless they are
consistent with the approved TMDL and the associated implementation plan.
Permitted MS4 operators must incorporate the limitations, conditions and
requirements applicable to their discharges, including monitoring frequency and
reporting required by TCEQ rules, into their SWMP in order to continue to be eligible
for coverage under the general permit If the discharge is no longer eligible for
coverage under the Phase II MS4 General Permit, then the MS4 operator would be
requir�d to apply for aiiu receive aii iridividual TPDES permi�t.
If you have any questions about the information in this letter, please do not hesitate to
contact me at (512) 239-4749.
Sincerely,
I';_1� -
Dan Siebeneicher, Natural Resource Specialist
Stormwater Team (MC-148)
Water Quality Division
Texas Commission on Environmental Quality
DDS/sh
cc Ms. Luay Rahil, City of Coppell, 2G5 East Parkway Boulevard, Coppell, Texas
75019