Categorical Exclusion (CE) Overview Page
Why do we care about a CE?
These webpages are written for applicants seeking approval of plans and
specifications for drinking water projects. These webpages also include
information of special interest to applicants seeking state financial assistance
for drinking water projects.
The State Environmental Policy Act [G.S. 113A - SEPA] and the implementing
regulations [15A NCAC 1C] require state or local governments to perform
an environmental review before spending public money (including local money)
for "major projects." Luckily, many small projects are excluded from
the definition of "major project." These small projects (including
most projects that receive state financial assistance) are eligible for
categorical exclusion (CE). The CE represents the lowest level of
environmental review that a project can be subject to.
This is a big webpage. Isn't there something simpler?
No. CE is the simplest alternative, subject to the simplest review.
What is a CE?
The categorical exclusion (CE) represents the lowest level of environmental
review that a project can be subject to. Essentially it is a declaration
that the project's size is below the threshold considered a "major project"
under the State Environmental Policy Act.
What are the requirements for a CE?
The rules promulgated under the State Environmental Policy Act [G.S. 113A]
establish minimum criteria exempting many water supply projects from substantive
environmental review unless unusual circumstances exist. These minimum
criteria exempting small drinking water projects from the definition of
"major project" are as follows:
-
Potable water system projects including the construction of new wells for
water supply purposes [15A NCAC 1C .0504 (3)(b)(i)] with associated groundwater
withdrawals of less than 1,000,000 gallons per day where such withdrawals
are not expected to cause a significant alteration in established land
use patterns, or degradation of groundwater or surface water quality [1C
.0504 (3)(c)];
-
Other potable water system projects including the following:
-
Improvements to water treatment plants that involve less than 1,000,000
gallons per day added capacity and design withdrawal less than one fifth
of the 7-day, 10-year low flow of the contributing stream [1C .0504 (3)(b)(ii)];
-
Improvements not intended to add capacity to the facility [1C .0504 (3)(b)(iii)];
-
Installation of water lines in proposed or existing rights-of-way for streets
or utilities, or new water lines less than five miles in length [1C .0504
(3)(b)(iv)] and
-
Construction of water tanks, or booster pumping or re-chlorination pump
stations [1C .0504 (3)(b)(iv)]; or
-
Dams less than 25 feet in height and having less than 50 acre-feet or storage
capacity [1C .0504 (3)(i)].
The unusual circumstances that would require an EA are outlined in 1C .0503:
-
The proposed activity may have a potential for significant adverse effects
on wetlands, parklands, prime or unique agricultural lands, or areas of
recognized scenic, recreational, archaeological, or historical value including
indirect effects; or would threaten a habitat identified on the Department
of Interior's or the
state's threatened and endangered species lists [1C .0503(1)].
-
The proposed activity could cause significant changes in industrial, commercial,
residential, agricultural, or silvicultural land use concentrations or
distributions which would be expected to create adverse water quality,
air quality, or ground water impacts; or affect long-term recreational
benefits, shellfish, wildlife, or their natural habitats [1C .0503(2)].
-
The proposed activity has indirect effect, or is part of cumulative effects,
not generally covered in the approval process for the state action, and
that may result in a potential risk to human health or the environment
[1C .0503(3)].
-
The proposed activity is of such an unusual nature or has such widespread
implications that an uncommon concern for its environmental effects has
been expressed to the agency [1C .0503(4)].
Other unusual conditions that would require an EA include the following:
-
any land disturbing activities within a High Quality Water Zone or Trout
Water Buffer Zones that will disturb more than five acres at any one time
[1C .0504(3)(j)], or
-
any new building that will have a footprint of more than 10,000 square
feet, is on the National Register as an archeological site, or will be
used to store hazardous waste [1C .0504(3)(k)].
Wow, that's a lot. Are there any other restrictions?
Yes, additional restrictions apply for federally funded {e.g., Drinking
Water State Revolving Fund (DWSRF) loan} projects.
Federally funded drinking water projects can be eligible for CE under
the state environmental review procedures (SERP) negotiated between North
Carolina and USEPA. The wording of the list of exclusions is identical
to the 1C .0504 list above, with the following important notes on interpretation:
-
If the project involves more than five miles (26,400 linear feet) of new
lines, even if constructed in existing right of way, USEPA does
not recognize it as eligible for federally recognized CE. If your
project includes more than five miles of new waterlines, you must submit
an environmental assessment to be considered for the DWSRF program.
-
Dam projects are ineligible for federally recognized CE. Please note
that the only type of dams eligible for DWSRF funding in the first place
are off-stream raw water reservoirs for pre-treatment purposes.
How do I get a categorical exclusion?
-
If your project seeks approval of plans and specifications, but does not
seek state financial assistance, then you do not need to take any action.
The plans and specifications review engineer will determine if the project
requires an EA.
-
If your project seeks state financial assistance, follow the steps below:
-
Determine that you meet the exclusions in 1C .0504.
-
Confirm that you do not meet any of the unusual conditions in 1C .0503
or .0504.
-
Submit a completed copy of the Request for Categorical
Exclusion Form along with your application for assistance.
-
If you are requesting federal funding for a project that is eligible for
categorical exclusion (including the additional federal restrictions),
please read the Factsheet:
Instructions for Applicants Seeking a Federal Categorical Exclusion
for important additional information on the process. In summary,
you will need to forward favorable comment letters from the North Carolina
Department of Cultural Resources, the U.S. Army Corps of Engineers, and
the U.S. Fish & Wildlife Service.
What happens next?
For State Financial Assistance
The Public Water Supply Section, Division of Environmental Health (PWS)
will review your request for CE and determine (based on the project scope
in the application) if it is warranted. If CE is warranted, PWS will
issue the categorical exclusion in a letter stating, "This letter completes
the environmental review record required for state funded projects under
the State Environmental Policy Act (G.S. 113A-1 through A-10)."
For Federal Financial Assistance (e.g., DWSRF loans)
PWS will review your request for CE and the favorable comment letters,
and determine (based on the project scope in the application) if it is
warranted. If CE is warranted, PWS will issue the categorical exclusion.
PWS will advertise the CE in the North Carolina Environmental Bulletin,
and send notice to a mailing list.
The cover letter of the CE will include further directions, paraphrased
below:
-
You are required to publish, at your own expense, public notice of the
final determination. Please publish the notice one time in a local
newspaper of community-wide circulation (or, if necessary, in several newspapers,
so as to cover the entire geographic area of the project). The notice
should include the entire text of the Final Determination of Categorical
Exclusion from Environmental Review.
-
After publication, please forward the proof-of-publication (typically an
affidavit of publication and a newspaper clipping) to the address in the
Final Determination of Categorical Exclusion from Environmental Review.
The cover letter states, "[t]his letter, when accompanied by the proof-of-publication,
concludes the environmental review process required under the North Carolina
Environmental Policy Act (SEPA) and the National Environmental Policy Act
(NEPA), as implemented through the State Environmental Review Procedures."
Once PWS receives the proof-of-publication, the environmental review
process is complete for both state and federal funding.
What if the project is not eligible for CE?
Water supply projects that are not exempt under the minimum criteria are
required to submit an Environmental Assessment (EA). For more information
on EAs, go to the EA-overview page.
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For comments or questions about this page: E-mail Vincent
Tomaino