Wisconsin Code § 66.0404

Mobile tower siting regulations
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(1) DEFINITIONS. In this section:
(a) “Antenna” means communications equipment that transmits and receives electromagnetic radio signals and is used in the
provision of mobile services.
(b) “Application” means an application for a permit under this
section to engage in an activity specified in sub. (2) (a) or a class
2 collocation.
(c) “Building permit” means a permit issued by a political
subdivision that authorizes an applicant to conduct construction
activity that is consistent with the political subdivision’s building
code.
(d) “Class 1 collocation” means the placement of a new mobile service facility on an existing support structure such that the
owner of the facility does not need to construct a free standing
support structure for the facility but does need to engage in substantial modification.
(e) “Class 2 collocation” means the placement of a new mobile service facility on an existing support structure such that the
owner of the facility does not need to construct a free standing
support structure for the facility or engage in substantial
modification.
(f) “Collocation” means class 1 or class 2 collocation or both.
(g) “Distributed antenna system” means a network of spatially
separated antenna nodes that is connected to a common source
via a transport medium and that provides mobile service within a
geographic area or structure.
(h) “Equipment compound” means an area surrounding or adjacent to the base of an existing support structure within which is
located mobile service facilities.
(i) “Existing structure” means a support structure that exists at
the time a request for permission to place mobile service facilities
on a support structure is filed with a political subdivision.
(j) “Fall zone” means the area over which a mobile support
structure is designed to collapse.
(k) “Mobile service” has the meaning given in 47 USC 153
(33).
(L) “Mobile service facility” means the set of equipment and
network components, including antennas, transmitters, receivers,
base stations, power supplies, cabling, and associated equipment,
that is necessary to provide mobile service to a discrete geographic area, but does not include the underlying support
structure.
(m) “Mobile service provider” means a person who provides
mobile service.
(n) “Mobile service support structure” means a freestanding
structure that is designed to support a mobile service facility.
(o) “Permit” means a permit, other than a building permit, or
approval issued by a political subdivision which authorizes any of
the following activities by an applicant:
1. A class 1 collocation.
2. A class 2 collocation.
3. The construction of a mobile service support structure.
(p) “Political subdivision” means a city, village, town, or
county.
(q) “Public utility” has the meaning given in s. 196.01 (5).
(r) “Search ring” means a shape drawn on a map to indicate
the general area within which a mobile service support structure
should be located to meet radio frequency engineering requirements, taking into account other factors including topography and
the demographics of the service area.
(s) “Substantial modification” means the modification of a
mobile service support structure, including the mounting of an
antenna on such a structure, that does any of the following:

1. For structures with an overall height of 200 feet or less, increases the overall height of the structure by more than 20 feet.
2. For structures with an overall height of more than 200 feet,
increases the overall height of the structure by 10 percent or
more.
3. Measured at the level of the appurtenance added to the
structure as a result of the modification, increases the width of
the support structure by 20 feet or more, unless a larger area is
necessary for collocation.
4. Increases the square footage of an existing equipment
compound to a total area of more than 2,500 square feet.
(t) “Support structure” means an existing or new structure
that supports or can support a mobile service facility, including a
mobile service support structure, utility pole, water tower, building, or other structure.
(u) “Utility pole” means a structure owned or operated by an
alternative telecommunications utility, as defined in s. 196.01
(1d); public utility, as defined in s. 196.01 (5); telecommunications utility, as defined in s. 196.01 (10); political subdivision; or
cooperative association organized under ch. 185; and that is designed specifically for and used to carry lines, cables, or wires for
telecommunications service, as defined in s. 182.017 (1g) (cq) ;
for video service, as defined in s. 66.0420 (2) (y); for electricity;
or to provide light.
(2) NEW CONSTRUCTION OR SUBSTANTIAL MODIFICATION OF
FACILITIES AND SUPPORT STRUCTURES. (a) Subject to the provisions and limitations of this section, a political subdivision may
enact a zoning ordinance under s. 59.69, 60.61, or 62.23 to regulate any of the following activities:
1. The siting and construction of a new mobile service support structure and facilities.
2. With regard to a class 1 collocation, the substantial modification of an existing support structure and mobile service
facilities.
(b) If a political subdivision regulates an activity described
under par. (a), the regulation shall prescribe the application
process which a person must complete to engage in the siting,
construction, or modification activities described in par. (a). The
application shall be in writing and shall contain all of the following information:
1. The name and business address of, and the contact individual for, the applicant.
2. The location of the proposed or affected support structure.
3. The location of the proposed mobile service facility.
4. If the application is to substantially modify an existing
support structure, a construction plan which describes the proposed modifications to the support structure and the equipment
and network components, including antennas, transmitters, receivers, base stations, power supplies, cabling, and related equipment associated with the proposed modifications.
5. If the application is to construct a new mobile service support structure, a construction plan which describes the proposed
mobile service support structure and the equipment and network
components, including antennas, transmitters, receivers, base stations, power supplies, cabling, and related equipment to be placed
on or around the new mobile service support structure.
6. If an application is to construct a new mobile service support structure, an explanation as to why the applicant chose the
proposed location and why the applicant did not choose collocation, including a sworn statement from an individual who has responsibility over the placement of the mobile service support
structure attesting that collocation within the applicant’s search
ring would not result in the same mobile service functionality,
coverage, and capacity; is technically infeasible; or is economically burdensome to the mobile service provider.
(c) If an applicant submits to a political subdivision an application for a permit to engage in an activity described under par.
(a), which contains all of the information required under par. (b),
the political subdivision shall consider the application complete.
If the political subdivision does not believe that the application is
complete, the political subdivision shall notify the applicant in
writing, within 10 days of receiving the application, that the application is not complete. The written notification shall specify
in detail the required information that was incomplete. An applicant may resubmit an application as often as necessary until it is
complete.
(d) Within 90 days of its receipt of a complete application, a
political subdivision shall complete all of the following or the applicant may consider the application approved, except that the applicant and the political subdivision may agree in writing to an
extension of the 90 day period:
1. Review the application to determine whether it complies
with all applicable aspects of the political subdivision’s building
code and, subject to the limitations in this section, zoning
ordinances.
2. Make a final decision whether to approve or disapprove
the application.
3. Notify the applicant, in writing, of its final decision.
4. If the decision is to disapprove the application, include
with the written notification substantial evidence which supports
the decision.
(e) A political subdivision may disapprove an application if an
applicant refuses to evaluate the feasibility of collocation within
the applicant’s search ring and provide the sworn statement described under par. (b) 6.
(f) A party who is aggrieved by the final decision of a political subdivision under par. (d) 2. may bring an action in the circuit
court of the county in which the proposed activity, which is the
subject of the application, is to be located.
(g) If an applicant provides a political subdivision with an engineering certification showing that a mobile service support
structure, or an existing structure, is designed to collapse within a
smaller area than the setback or fall zone area required in a zoning ordinance, that zoning ordinance does not apply to such a
structure unless the political subdivision provides the applicant
with substantial evidence that the engineering certification is
flawed.
(h) A political subdivision may regulate the activities described under par. (a) only as provided in this section.
(i) If a political subdivision has in effect on July 2, 2013, an
ordinance that applies to the activities described under par. (a)
and the ordinance is inconsistent with this section, the ordinance
does not apply to, and may not be enforced against, the activity.
(3) COLLOCATION ON EXISTING SUPPORT STRUCTURES. (a)
1. A class 2 collocation is a permitted use under ss. 59.69, 60.61,
and 62.23.
2. If a political subdivision has in effect on July 2, 2013, an
ordinance that applies to a class 2 collocation and the ordinance is
inconsistent with this section, the ordinance does not apply to,
and may not be enforced against, the class 2 collocation.
3. A political subdivision may regulate a class 2 collocation
only as provided in this section.
4. A class 2 collocation is subject to the same requirements
for the issuance of a building permit to which any other type of
commercial development or land use development is subject.
(b) If an applicant submits to a political subdivision an application for a permit to engage in a class 2 collocation, the applica-

tion shall contain all of the information required under sub. (2)
(b) 1. to 3., in which case the political subdivision shall consider
the application complete. If any of the required information is
not in the application, the political subdivision shall notify the
applicant in writing, within 5 days of receiving the application,
that the application is not complete. The written notification
shall specify in detail the required information that was incomplete. An applicant may resubmit an application as often as necessary until it is complete.
(c) Within 45 days of its receipt of a complete application, a
political subdivision shall complete all of the following or the applicant may consider the application approved, except that the applicant and the political subdivision may agree in writing to an
extension of the 45 day period:
1. Make a final decision whether to approve or disapprove
the application.
2. Notify the applicant, in writing, of its final decision.
3. If the application is approved, issue the applicant the relevant permit.
4. If the decision is to disapprove the application, include
with the written notification substantial evidence which supports
the decision.
(d) A party who is aggrieved by the final decision of a political subdivision under par. (c) 1. may bring an action in the circuit
court of the county in which the proposed activity, which is the
subject of the application, is to be located.
(4) LIMITATIONS. With regard to an activity described in sub.
(2) (a) or a class 2 collocation, a political subdivision may not do
any of the following:
(a) Impose environmental testing, sampling, or monitoring requirements, or other compliance measures for radio frequency
emissions, on mobile service facilities or mobile radio service
providers.
(b) Enact an ordinance imposing a moratorium on the permitting, construction, or approval of any such activities.
(c) Enact an ordinance prohibiting the placement of a mobile
service support structure in particular locations within the political subdivision.
(d) Charge a mobile radio service provider a fee in excess of
one of the following amounts:
1. For a permit for a class 2 collocation, the lesser of $500 or
the amount charged by a political subdivision for a building permit for any other type of commercial development or land use
development.
2. For a permit for an activity described in sub. (2) (a) ,
$3,000.
(e) Charge a mobile radio service provider any recurring fee
for an activity described in sub. (2) (a) or a class 2 collocation.
(f) Permit 3rd party consultants to charge the applicant for any
travel expenses incurred in the consultant’s review of mobile service permits or applications.
(g) Disapprove an application to conduct an activity described
under sub. (2) (a) based solely on aesthetic concerns.
(gm) Disapprove an application to conduct a class 2 collocation on aesthetic concerns.
(h) Enact or enforce an ordinance related to radio frequency
signal strength or the adequacy of mobile service quality.
(i) Impose a surety requirement, unless the requirement is
competitively neutral, nondiscriminatory, and commensurate
with the historical record for surety requirements for other facilities and structures in the political subdivision which fall into disuse. There is a rebuttable presumption that a surety requirement
of $20,000 or less complies with this paragraph.
(j) Prohibit the placement of emergency power systems.
(k) Require that a mobile service support structure be placed
on property owned by the political subdivision.
(L) Disapprove an application based solely on the height of
the mobile service support structure or on whether the structure
requires lighting.
(m) Condition approval of such activities on the agreement of
the structure or mobile service facility owner to provide space on
or near the structure for the use of or by the political subdivision
at less than the market rate, or to provide the political subdivision
other services via the structure or facilities at less than the market
rate.
(n) Limit the duration of any permit that is granted.
(o) Require an applicant to construct a distributed antenna
system instead of either constructing a new mobile service support structure or engaging in collocation.
(p) Disapprove an application based on an assessment by the
political subdivision of the suitability of other locations for conducting the activity.
(q) Require that a mobile service support structure, existing
structure, or mobile service facilities have or be connected to
backup battery power.
(r) Impose a setback or fall zone requirement for a mobile service support structure that is different from a requirement that is
imposed on other types of commercial structures.
(s) Consider an activity a substantial modification under sub.
(1) (s) 1. or 2. if a greater height is necessary to avoid interference
with an existing antenna.
(t) Consider an activity a substantial modification under sub.
(1) (s) 3. if a greater protrusion is necessary to shelter the antenna
from inclement weather or to connect the antenna to the existing
structure by cable.
(u) Limit the height of a mobile service support structure to
under 200 feet.
(v) Condition the approval of an application on, or otherwise
require, the applicant’s agreement to indemnify or insure the political subdivision in connection with the political subdivision’s
exercise of its authority to approve the application.
(w) Condition the approval of an application on, or otherwise
require, the applicant’s agreement to permit the political subdivision to place at or collocate with the applicant’s support structure
any mobile service facilities provided or operated by, whether in
whole or in part, a political subdivision or an entity in which a
political subdivision has a governance, competitive, economic, financial or other interest.
(4e) SETBACK REQUIREMENTS. (a) Notwithstanding sub. (4)
(r), and subject to the provisions of this subsection, a political
subdivision may enact an ordinance imposing setback requirements related to the placement of a mobile service support structure that applies to new construction or the substantial modification of facilities and support structures, as described in sub. (2).
(b) A setback requirement may apply only to a mobile service
support structure that is constructed on or adjacent to a parcel of
land that is subject to a zoning ordinance that permits single-family residential use on that parcel. A setback requirement does not
apply to an existing or new utility pole, or wireless support structure in a right-of-way that supports a small wireless facility, if the
pole or facility meets the height limitations in s. 66.0414 (2) (e) 2.
and 3.
(c) The setback requirement under par. (b) for a mobile service support structure on a parcel shall be measured from the lot
lines of other adjacent and nonadjacent parcels for which singlefamily residential use is a permitted use under a zoning
ordinance.
(d) A setback requirement must be based on the height of the

proposed mobile service support structure, and the setback requirement may not be a distance that is greater than the height of
the proposed structure.
(5) APPLICABILITY. If a county enacts an ordinance as described under sub. (2) the ordinance applies only in the unincorporated parts of the county, except that if a town enacts an ordinance as described under sub. (2) after a county has so acted, the
county ordinance does not apply, and may not be enforced, in the
town, except that if the town later repeals its ordinance, the
county ordinance applies in that town.

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