20 CSR 4240-10.195
Appraisal Requirements for Acquisition of a Small Water or Sewer Utility to be Used by a Large Water or Sewer Public Utility
PURPOSE: This rule establishes the requirements for using an
appraisal to set the ratemaking rate base in an acquisition of a
small water and/or sewer utility by a large water public utility in
accordance with section 393.320, RSMo.
(1) Appraisals/Engineering Reports or Evaluations.
(A) An appraiser or consulting engineer appointed for the
purposes of this rule shall not be associated with a creditor,
equity security holder, or a shareholder of the utilities subject
to the acquisition, including but not limited to being a creditor,
equity security holder, or a shareholder, and shall not have any
material interest in either utility, or other large water or sewer
public utilities.
(B) The appointed appraisers shall jointly prepare a fair and
independent appraisal in accordance with section 393.320.3,
RSMo.
(C) Appraisals that do not include supporting rationale in
accordance with section 393.320.3, RSMo, shall not be accepted
as evidence supporting an application for acquisition.
(D) For the purposes of this rule, supporting rationale in
cludes detailed and/or itemized information and calculations
used to derive the appraised value listed in the appraisal, in
cluding studies or documents produced by other specialists,
such as an engineer.
(E) If resources are referenced which are not publicly avail
able, the appraisers shall provide copies of the referenced
resource materials with the appraisal.
(F) All documents, evaluations, or reports prepared by, or
under the direct supervision of, a registered professional
engineer shall be signed, sealed, and dated by a professional
engineer licensed in the state of Missouri.
(2) If a large water public utility determines to utilize the
procedures under section 393.320, RSMo, for the acquisition of
a small utility, then the large water or sewer public utility shall
submit an application for the acquisition of the small water
utility in accordance with the requirements established under
section 393.320, RSMo, the requirements established in 20
CSR 4240-2.060, 20 CSR 4240-50.060, and 20 CSR 4240-60.050,
and shall file with its application for each utility system to be
acquired—
(A) A general description of the acquisition;
(B) The date the appraisal was received;
(C) A statement as to whether any corrected reports were
received, as provided for in section 393.320.3(2)(b), RSMo, in
cluding the date the corrected report was received and a de
scription of any and all changes made in the corrected report;
(D) The number of current customer connections of the large
water public utility;
(E) The utility type and number of current customer connec
tions of the small water or sewer utility;
(F) A request to utilize the procedures in this rule and section
393.320, RSMo;
(G) If an effective purchase agreement has been executed, a
statement stating such with a complete copy of the agreement
AND INSURANCE
attached;
(H) If a purchase agreement has not been executed but has
been prepared, a statement stating such and a date when the
purchase agreement will be finalized and available for request;
(I) A description with values and supporting calculations
detailing current and proposed rates of the small utility cus
tomers with the supporting documentation for these calcula
tions made available upon request by parties to the case or the
commission, if such documentation exists;
(J) An explanation of how the acquisition is considered to be
in the public interest;
(K) Documentation of customer integration which includes,
but is not limited to, the following:
1. Current customer contact practices for the small
utility regarding hours of operation, office locations, names,
addresses, phone numbers, email addresses, and websites for
customer use to contact the small utility;
2. Proposed practice for the small utility’s customer contact
with hours of operation, office locations, names, addresses,
phone numbers, email addresses, and websites the small
utility’s customers will be using to contact or find information
regarding the large public utility;
3. Current and proposed payment options for customers;
4. Current and proposed billing processes for customers
including when meters are read, when bills are mailed, and
when bills are considered late;
5. Sample customer welcome letter(s) and customer rights
and responsibilities notices the large public utility will send to
the new customers;
6. Sample customer discontinuance notice, final notice,
and overdue payment notice the large public utility will
send customers subject to these actions if the acquisition is
approved; and
7. Sample customer bill the large water public utility will
send customers if the acquisition is approved;
(L) An engineering evaluation of the proposed small utility to
be acquired which includes, but is not limited to, the following
items:
1. A statement listing the assets the large public utility is
requesting to acquire from the small utility, which includes, if
applicable, a description for the following:
A. Information and due-diligence determinations, in
compliance with section (3) of this rule, including field notes,
made by the large water public utility after conducting sitevisit(s) of the small utility’s wastewater treatment facility or
drinking water treatment facility or both;
B. Description of water supply source;
C. Description of drinking water hydraulics and pressure
zones;
D. Description of drinking water tank mixing systems;
E. Description of drinking water controls and measure
ment systems;
F. Most recent Missouri Department of Natural Resources
inspection reports for either the wastewater treatment facility
or the drinking water system or both; and
G. A description of Missouri Department of Natural
Resources compliance and enforcement violations and if the
small utility is subject to Missouri Department of Natural
Resources orders, settlements, or similar litigation, then these
effective litigation documents shall be provided;
2. If the small utility is a municipal system, a statement
detailing any ordinances, bylaws, public meetings, alderman
or similar meetings, and the results of any votes related to the
acquisition with supporting documentation; and
3. A description regarding the use of external financing
anticipated for the acquisition of the small utility, or subsequent
capital improvements to the small utility including, but
not limited to, new construction, acquisition of land and
equipment for the application of treated wastewater, or
biosolids land application;
(M) If upgrades or new construction is necessary, an engi
neering report which shall contain, at a minimum, the follow
ing:
1. A detailed physical description of all features to be
upgraded or constructed;
2. A description of why the upgrade or new construction
is necessary;
3. The cost of the proposed feature and any available
alternative, with cost, examined;
4. If the small utility has either a short or long-term capital
plan, the plan can be included as part of the engineering
report; and
5. A projected timeline for completion, which shall
incorporate permit requirements from the Missouri Department
of Natural Resources;
(N) The appraisal relied on in determining the fair market
value of the small water utility. If one of the appraisers did
not join the final appraisal, as provided in section 393.320.3(3),
RSMo, a statement indicating such and providing a reason why
shall also be included. The appraisal shall include, but is not
limited to, the following:
1. A listing of the licensed appraisers separated by and
confirming who the appointed appraiser is representing for
both the large water public utility and small water utility;
2. If the appraisal references an engineering report, then
the following shall be provided:
A. The name of the consultant or engineering company;
B. The name of the licensed engineer that completed or
approved the report;
C. A complete and unredacted copy of the report; and
D. The engineering report shall be signed, sealed, and
dated by a Missouri registered professional engineer; and
3. A fair market value determination shall include, but is
not limited to, the following liabilities that reduce the value of
the acquisition:
A. Closure of obsolete utility structures such as lagoons,
settling basins, unused wells, or other treatment structures
no longer used or useful but required to be properly closed in
accordance with Chapters 640 and 644, RSMo;
B. Urgently required repairs or immediate maintenance
needed to maintain the usefulness of the current utility
structures, such as replacement of failed pumps or blowers,
shoring to prevent physical collapse, and other asset inventory
items;
C. Resolution of safety concerns such as urgently
required electrical repairs, elimination of leaks of hazardous or
toxic chemicals, and other repairs that have potential to cause
harm to system operators or the public;
D. Demolition and removal of any derelict utility
structures including but not limited to unused buildings,
treatment or storage structures, lifts stations, or other similar
structures; and
E. Known environmental remediation such as removal
of solid waste, petroleum contamination, asbestos abatement,
lead paint, or other substances known to cause negative
impacts to human health; and
(O) The requested purchase price as it relates to the appraisal
amount that the large public utility proposes to use as the
ratemaking rate base for the small water utility.
(3) Information and due-diligence determinations shall
include—
(A) Field notes made by the large water public utility from
site-visits of the small utility’s wastewater treatment facility or
drinking water treatment facility or both;
(B) Facility description, including the customer capacity for
which the system(s) was designed;
(C) Age of the facility;
(D) Description of the distribution or collection system or
both;
(E) Age of the distribution or collection system or both;
(F) Material make-up of the system;
(G) Design-life of the system;
(H) Description of back-up power;
(I) Type of operational controls;
(J) Length of sewer collection system or water distribution
system or both; and
(K) Quantity and types of valves, meters, sensors, pumps, and
useful life remaining for each.
(4) If the appraised value of the acquisition is $5,000,000 or
less, the commission staff shall provide a recommendation
within one hundred twenty (120) days after receipt of the
application for acquisition. To facilitate this expedited timeline,
the deadline to respond to data requests shall be shortened
from that identified in 20 CSR 4240-2.090(2)(C), to ten (10)
calendar days, with five (5) calendar days to object or notify
the requesting party that additional time is needed to respond
to the data requests.
(5) The commission may grant a variance from specific portions
of this rule for good cause. Any request for variance shall cite
to specific portions of this rule and shall be included when the
application for acquisition is filed. Such a variance, if granted,
may not conflict with any mandatory portions of section
393.320, RSMo.
AUTHORITY: section 386.250, RSMo 2016, and section 393.320.9,
RSMo Supp. 2025.* Original rule filed Oct. 22, 2025, effective June
30, 2026.
*Original authority: 386.250, RSMo 1939, amended 1963, 1967, 1977, 1980, 1987, 1988,
1991, 1993, 1995, 1996, and 393.320, RSMo 2010, amended 2013, 2025.