2025 - 2026 LEGISLATURE
LRBs0470/1
EHS:cdc
ASSEMBLY SUBSTITUTE AMENDMENT 2,
TO SENATE BILL 798
February 18, 2026 - Offered by Representative Mursau.
SB798-ASA2,1,3
1An Act to amend 15.347 (22) (b) 9., 23.321 (5) (a) and 23.321 (5) (b) 1. (intro.);
2to create 23.321 (2d) of the statutes; relating to: a wetland assured
3delineation program.
The people of the state of Wisconsin, represented in senate and assembly, do enact as follows:
SB798-ASA2,14Section 1. 15.347 (22) (b) 9. of the statutes is amended to read:
SB798-ASA2,1,10515.347 (22) (b) 9. The possibility of a professional, whose wetland delineation
6work is assured under the department of natural resources’ wetland delineation
7professional assurance initiative, performing a wetland delineation confirmation
8requirements for certification as an assured delineator and other matters related to
9the wetland assured delineator program under s. 23.321 on behalf of the
10department (2d).
SB798-ASA2,2
1Section 2. 23.321 (2d) of the statutes is created to read:
SB798-ASA2,2,4223.321 (2d) Wetland assured delineation program. (a) Definition. In
3this subsection, “assured delineator” means a professional wetland delineator who
4is certified by the department under par. (c).
SB798-ASA2,2,95(b) Program. 1. The department shall establish a wetland assured
6delineation program under which individuals may apply to the department to be
7certified as assured delineators. Under the program, the department shall ensure
8that assured delineators delineate wetlands consistent with the wetlands
9delineation manual described under s. 281.36 (2m).
SB798-ASA2,2,14102. Under the program, a wetland delineation prepared by an assured
11delineator has the same effect as a wetland identification or confirmation prepared
12by the department under sub. (2) (b) to (d). A wetland delineation performed by an
13assured delineator is not required to be confirmed by the department under sub. (2)
14(c) or (d).
SB798-ASA2,3,3153. The department shall require an assured delineator to submit to the
16department a report of each wetland delineation the assured delineator seeks to
17have accepted as an assured wetland delineation. The assured delineator shall
18include in the report all items required in applicable joint guidance from the U.S.
19army corps of engineers and the department. To be accepted as an assured wetland
20delineation, the assured delineator shall submit the report under this subdivision
21no later than March 15, unless an extension is approved by the department. The
22department shall grant an extension request, except that a report under this
23subdivision may receive only one extension, which may not extend more than 12

1months from the date the extension is granted. Any wetland delineation report or
2other information related to the wetland delineation that is not submitted to the
3department may not be considered an assured wetland delineation.
SB798-ASA2,3,744. Under the program, assured delineators shall conduct assured wetland
5delineations during the growing season. The growing season shall be determined
6in accordance with the wetlands delineation manual described under s. 281.36 (2m)
7and applicable supplements.
SB798-ASA2,3,108(c) Application. 1. A professional wetland delineator seeking to become
9certified as an assured delineator shall submit a complete application and shall
10follow the application procedures specified by the department.
SB798-ASA2,3,16112. The department shall, in consultation with the wetland study council,
12determine what must be submitted by an applicant to constitute a complete
13application. Once established, the department shall make those requirements
14available on the department’s website. The department may not determine an
15application to be complete without submission of the application fee under par. (e)
161. a.
SB798-ASA2,3,18173. The department shall establish application and qualification requirements
18for certification as an assured delineator, including at least all of the following:
SB798-ASA2,3,2019a. An associate degree with at least 8 years of full-time professional field
20experience in wetland delineation.
SB798-ASA2,3,2221ag. A bachelor’s degree with at least 5 years of full-time professional field
22experience in wetland delineation.
SB798-ASA2,4,2
1ar. A master’s degree or doctorate degree with at least 3 years of full-time
2professional field experience in wetland delineation.
SB798-ASA2,4,53b. Completion of minimum educational requirements or requirements for
4commensurate experience, as determined by the department in consultation with
5the wetland study council.
SB798-ASA2,4,86c. Completion of a wetland delineation training course based on the wetlands
7delineation manual described under s. 281.36 (2m) and applicable regional
8supplements for this state.
SB798-ASA2,4,119d. Submittal of at least 6 representative wetland delineation reports
10completed within the 2 growing seasons preceding the date on which the
11application was submitted.
SB798-ASA2,4,12124. Status as an assured delineator is valid unless revoked under par. (d).
SB798-ASA2,4,15135. If the department determines that the applicant does not meet the
14minimum qualifications to be approved as an assured delineator, the applicant may
15reapply in a future application process.
SB798-ASA2,4,18166. The department shall accept applications no less than annually and at least
17during the period beginning September 15 and ending November 30 for applicants
18who wish to be certified beginning on March 15 of the next calendar year.
SB798-ASA2,4,23197. The department may consider previous conduct and performance in scoring
20a subsequent application for an applicant whose prior certification under the
21program was revoked under par. (d). The department may not approve an
22application if the applicant’s certification was revoked within 3 years of the
23application date.
SB798-ASA2,5,6
1(d) Performance review, auditing, and revocation. 1. The department shall
2review the performance of assured delineators on a recurring basis to ensure the
3program standards and expectations are being met. As part of this review process,
4the department may perform in-field audits of specific wetland delineations that
5assured delineators have submitted in the 12 months preceding the beginning of
6the audit.
SB798-ASA2,5,1272. Upon a complaint submitted by any person to the department that an
8assured delineator may have failed to accurately identify wetlands on a property for
9which a report under par. (b) 3. was submitted in the 12 months preceding the date
10of the complaint, the department may investigate and gather information to
11determine if the report fails to accurately identify the presence and boundaries of a
12wetland on the property.
SB798-ASA2,5,21133. a. If data gathered under subd. 1. or 2. show substantial evidence that a
14wetland delineation was conducted in a manner that is not supported by the
15wetlands delineation manual described under s. 281.36 (2m) and applicable
16regional supplements for this state in effect at the time the field work was
17completed, the department shall so notify the assured delineator and require the
18assured delineator to correct the report under par. (b) 3. Any deadline for
19department action with respect to a wetland general or individual permit or
20exemption under s. 281.36 is tolled on the date of that notification until the assured
21delineator corrects and resubmits the report under par. (b) 3.
SB798-ASA2,5,2322b. The department may not modify a permit or exemption decision under s.
23281.36 on the basis of data gathered under subd. 1. or 2.
SB798-ASA2,6,3
1c. The department may use the data gathered under subd. 1. or 2. to evaluate
2an assured delineator’s compliance with program requirements under this
3subsection.
SB798-ASA2,6,544. The department shall give notice to an assured delineator if the
5department conducts an audit under subd. 1. or an investigation under subd. 2.
SB798-ASA2,6,965. The department may revoke an individual’s certification as an assured
7delineator by providing to the individual written notice of the revocation and the
8reason for the revocation if it finds the individual did any of the following, taking
9into consideration the type and frequency of infractions:
SB798-ASA2,6,1110a. Knowingly took part in an activity that results in the violation of state or
11federal wetland or waterway laws or regulations.
SB798-ASA2,6,1212b. Knowingly falsified or misrepresented a wetland boundary.
SB798-ASA2,6,1413c. Failed to delineate all wetland resources within a wetland delineation study
14area.
SB798-ASA2,6,1515d. Misrepresented another’s work as his or her own.
SB798-ASA2,6,1816e. Failed to apply standard wetland delineation protocols in line with the
17wetlands delineation manual described under s. 281.36 (2m) and applicable
18regional supplements for this state.
SB798-ASA2,6,1919f. Failed to meet continuing education expectations as set by the department.
SB798-ASA2,6,2220g. Failed to submit an average of at least 3 delineation reports annually over
21the prior 3 years, unless an exception is made by the department for extenuating
22circumstances.
SB798-ASA2,7,3236. Any individual who receives notice under subd. 5. that his or her

1certification as an assured delineator has been revoked is entitled to a contested
2case hearing under ch. 227 if the individual requests the hearing within 30 days
3after receiving the notice.
SB798-ASA2,7,547. An individual whose certification as an assured delineator is revoked is not
5precluded from delineating wetlands under sub. (2) (c) or (d).
SB798-ASA2,7,66(e) Fees. 1. The department shall charge the following fees:
SB798-ASA2,7,87a. To an applicant under par. (c), an application processing fee of $500 to be
8submitted with an application.
SB798-ASA2,7,99b. To an assured delineator, an annual certification fee of $900.
SB798-ASA2,7,11102. The department may charge an assured delineator a filing fee of $20 for
11each report submitted under par. (b) 3.
SB798-ASA2,312Section 3. 23.321 (5) (a) of the statutes is amended to read:
SB798-ASA2,7,191323.321 (5) (a) Except as provided in par. (b), a wetland identification provided
14by the department under sub. (2) (b) and a wetland confirmation provided by the
15department under sub. (2) (c) remain effective for 5 years from the date provided by
16the department. Except as provided in par. (b), a wetland delineation prepared by
17an assured delineator under sub. (2d) remains effective for 5 years from the date
18upon which the wetland delineation report under sub. (2d) (b) 3. is submitted to the
19department.
SB798-ASA2,420Section 4. 23.321 (5) (b) 1. (intro.) of the statutes is amended to read:
SB798-ASA2,8,42123.321 (5) (b) 1. (intro.) A wetland identification provided by the department
22under sub. (2) (b) and, a wetland confirmation provided by the department under
23sub. (2) (c) or (d), and a wetland delineation prepared by an assured delineator

1under sub. (2d) remain effective for 15 years from the date provided by the
2department that the U.S. army corps of engineers makes a determination regarding
3whether the wetland is subject to federal jurisdiction on the basis of the wetland
4identification, confirmation, or delineation if all of the following conditions are met:
SB798-ASA2,55Section 5. Nonstatutory provisions.
SB798-ASA2,8,96(1) The department of natural resources shall consider an individual who is
7approved or certified as an assured delineator under a pilot program in effect on the
8effective date of this subsection to be certified as an assured delineator under s.
923.321 (2d).
SB798-ASA2,8,1310(2) The department of natural resources shall consult with the wetland study
11council on the department’s progress in implementing this act’s requirements and
12on all matters in this act requiring consultation with the wetland study council no
13later than the first day of the 7th month beginning after publication.
SB798-ASA2,614Section 6. Initial applicability.
SB798-ASA2,8,1715(1) (a) Except as provided in par. (b), this act first applies to an individual who
16submits an application under s. 23.321 (2d) (c) on the effective date of this
17subsection.
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