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- 2025
69th Legislature 2025 HB 180
- 1 - Authorized Print Version – HB 180
ENROLLED BILL
AN ACT REVISING SANITATION IN SUBDIVISION LAWS; PROHIBITING A LOCAL BOARD OF HEALTH
FROM ADOPTING REGULATIONS THAT WOULD ALLOW FOR A MIXING ZONE THAT ENCROACHES ON
ADJACENT PROPERTY; PROVIDING THAT THE SANITATION IN SUBDIVISIONS ACT DOES NOT APPLY
TO CERTAIN DRAINFIELD MIXING ZONES; REVISING A DEFINITION; AND AMENDING SECTIONS 50-2-
116 AND 76-4-102, MCA.
BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF MONTANA:
Section 1. Section 50-2-116, MCA, is amended to read:
"50-2-116. Powers and duties of local boards of health. (1) Except as provided in subsection (5),
in order to carry out the purposes of the public health system, in collaboration with federal, state, and local
partners, each local board of health shall:
(a) recommend to the governing body the appointment of a local health officer who is:
(i) a physician;
(ii) a person with a master's degree in public health; or
(iii) a person with equivalent education and experience, as determined by the department;
(b) elect a presiding officer and other necessary officers;
(c) adopt bylaws to govern meetings;
(d) hold regular meetings at least quarterly and hold special meetings as necessary;
(e) identify, assess, prevent, and ameliorate conditions of public health importance through:
(i) epidemiological tracking and investigation;
(ii) screening and testing;
(iii) isolation and quarantine measures;
(iv) diagnosis, treatment, and case management;
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(v) abatement of public health nuisances;
(vi) inspections;
(vii) collecting and maintaining health information;
(viii) education and training of health professionals; or
(ix) other public health measures as allowed by law;
(f) protect the public from the introduction and spread of communicable disease or other
conditions of public health importance, including through actions to ensure the removal of filth or other
contaminants that might cause disease or adversely affect public health;
(g) supervise or make inspections for conditions of public health importance and issue written
orders for compliance or for correction, destruction, or removal of the conditions;
(h) bring and pursue actions and issue orders necessary to abate, restrain, or prosecute the
violation of public health laws, rules, and local regulations;
(i) identify to the department an administrative liaison for public health. The liaison must be the
local health officer in jurisdictions that employ a full-time local health officer. In jurisdictions that do not employ a
full-time local health officer, the liaison must be the highest ranking public health professional employed by the
jurisdiction.
(j) subject to the provisions of 50-2-130, propose for adoption by the local governing body
necessary regulations that are not less stringent than state standards for the control and disposal of sewage
from private and public buildings and facilities that are not regulated by Title 75, chapter 6, or Title 76, chapter
4. The regulations must:
(i) describe standards for granting variances from the minimum requirements that are identical to
standards promulgated by the department of environmental quality and must provide for appeal of variance
decisions to the department of environmental quality as required by 75-5-305;
(ii) for parcels created after March 30, 2011, prohibit the construction of a subsurface wastewater
treatment system if the associated mixing zone would encroach onto adjacent property, except as allowed in
76-4-104(7)(i); and.
(iii) If if the local board of health regulates or permits water well drilling, the regulations must
prohibit the drilling of a well if the well isolation zone, as defined in 76-4-102, encroaches onto adjacent private
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property without the authorization of the private property owner.
(2) Local boards of health may:
(a) accept and spend funds received from a federal agency, the state, a school district, or other
persons or entities;
(b) propose for adoption by the local governing body necessary fees to administer regulations for
the control and disposal of sewage from private and public buildings and facilities;
(c) propose for adoption by the local governing body regulations that do not conflict with 50-50-126
or rules adopted by the department:
(i) for the control of communicable diseases;
(ii) for the removal of filth that might cause disease or adversely affect public health;
(iii) subject to the provisions of 50-2-130, for sanitation in public and private buildings and facilities
that affects public health and for the maintenance of sewage treatment systems that do not discharge effluent
directly into state water and that are not required to have an operating permit as required by rules adopted
under 75-5-401;
(iv) subject to the provisions of 50-2-130 and Title 50, chapter 48, for tattooing and body-piercing
establishments and that are not less stringent than state standards for tattooing and body-piercing
establishments;
(v) for the establishment of institutional controls that have been selected or approved by the:
(A) United States environmental protection agency as part of a remedy for a facility under the
federal Comprehensive Environmental Response, Compensation, and Liability Act of 1980, 42 U.S.C. 9601, et
seq.; or
(B) department of environmental quality as part of a remedy for a facility under the Montana
Comprehensive Environmental Cleanup and Responsibility Act, Title 75, chapter 10, part 7; and
(vi) to implement the public health laws;
(d) adopt rules necessary to implement and enforce regulations adopted by the local governing
body; and
(e) promote cooperation and formal collaborative agreements between the local board of health
and tribes, tribal organizations, and the Indian health service regarding public health planning, priority setting,
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information and data sharing, reporting, resource allocation, service delivery, jurisdiction, and other matters
addressed in this title.
(3) A local board of health may provide, implement, facilitate, or encourage other public health
services and functions as considered reasonable and necessary.
(4) A directive, mandate, or order issued by a local board of health in response to a declaration of
emergency or disaster by the governor as allowed in 10-3-303 or by the principal executive officer of a political
subdivision as allowed in 10-3-402 and 10-3-403:
(a) remains in effect only during the declared state of emergency or disaster or until the governing
body holds a public meeting and allows public comment and the majority of the governing body moves to
amend, rescind, or otherwise change the directive, mandate, or order; and
(b) may not interfere with or otherwise limit, modify, or abridge a person's physical attendance at or
operation of a religious facility, church, synagogue, or other place of worship.
(5) A regulation allowed in subsection (2)(c)(i), (2)(c)(ii), or (2)(c)(vi) adopted or a directive,
mandate, or order implemented to carry out the provisions of this part that applies to the entire jurisdictional
area of a town, city, or county under the jurisdiction of the local health board may not:
(a) compel a private business to deny a customer of the private business access to the premises
or access to goods or services;
(b) deny a customer of a private business the ability to access goods or services provided by the
private business; or
(c) include any of the following actions for noncompliance of actions described in subsections
(5)(a) and (5)(b):
(i) require the assessment of a fee or fine;
(ii) require the revocation of a license required for the operation of a private business;
(iii) find a private business owner guilty of a misdemeanor; or
(iv) bring any other retributive action against a private business owner, including but not limited to
an action allowed under 50-2-123, a penalty allowed under 50-2-124, or any other criminal charge.
(6) The prohibition provided for in subsection (5)(b) does not apply to persons confirmed to have a
communicable disease and who are currently under a public isolation order.
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(7) The prohibitions provided for in subsection (5) do not restrict a local board of health from
exercising its authority under this section to enforce and ensure compliance by private businesses with all
lawfully adopted regulations, directives, and orders.
(8) As used in this section, "private business" means an individual or entity that is not principally a
part of or associated with a government unit. The term includes but is not limited to a nonprofit or for-profit
entity, a corporation, a sole proprietorship, or a limited liability company."
Section 2. Section 76-4-102, MCA, is amended to read:
"76-4-102. Definitions. As used in this part, unless the context clearly indicates otherwise, the
following definitions apply:
(1) "Adequate county water and/or sewer district facilities" means facilities provided by a county
water and/or sewer district incorporated under Title 7, chapter 13, that operate in compliance with Title 75,
chapters 5 and 6.
(2) "Adequate municipal facilities" means municipally, publicly, or privately owned facilities that
supply water, treat sewage, or dispose of solid waste for all or most properties within the boundaries of a
municipality and that are operating in compliance with Title 75, chapters 5 and 6, including development plans
approved by the department pursuant to 75-6-130.
(3) "Board" means the board of environmental review.
(4) "Certifying authority" means a municipality or a county water and/or sewer district that meets
the eligibility requirements established by the department under 76-4-104(7).
(5) "Department" means the department of environmental quality.
(6) "Extension of a public sewage system" means a sewerline that connects two or more sewer
service lines to a sewer main.
(7) "Extension of a public water supply system" means a waterline that connects two or more water
service lines to a water main.
(8) "Facilities" means public or private facilities for the supply of water or disposal of sewage or
solid waste and any pipes, conduits, or other stationary method by which water, sewage, or solid wastes might
be transported or distributed.
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(9) "Independent reviewer" means a registered sanitarian or registered professional engineer that
the department has certified to conduct a review under 76-4-104.
(10) "Individual water system" means any water system that serves one living unit or commercial
unit and that is not a public water supply system as defined in 75-6-102.
(11) "Mixing zone" has the meaning provided in 75-5-103.
(12) (a) "Proposed drainfield mixing zone" means a mixing zone submitted for approval under this
chapter after March 30, 2011, for a parcel that was created after March 30, 2011.
(b) The term does not include drainfield mixing zones that existed or were approved under this
chapter prior to March 30, 2011 The term does not include a mixing zone approved under this chapter before
March 30, 2011, or a mixing zone approved under Title 50, chapter 2, part 1, before October 1, 2025.
(13) (a) "Proposed well isolation zone" means a well isolation zone submitted for approval under
this chapter after October 1, 2013.
(b) The term does not include well isolation zones that existed or were approved under this chapter
prior to October 1, 2013.
(14) "Public sewage system" or "public sewage disposal system" means a public sewage system as
defined in 75-6-102.
(15) "Public water supply system" has the meaning provided in 75-6-102.
(16) "Regional authority" means any regional water authority, regional wastewater authority, or
regional water and wastewater authority organized pursuant to the provisions of Title 75, chapter 6, part 3.
(17) "Registered professional engineer" means a person licensed to practice as a professional
engineer under Title 37, chapter 67.
(18) "Registered sanitarian" means a person licensed to practice as a sanitarian under Title 37,
chapter 40.
(19) "Reviewing authority" means the department or a local department or board of health certified
to conduct a review under 76-4-104.
(20) "Sanitary restriction" means a prohibition against the erection of any dwelling, shelter, or
building requiring facilities for the supply of water or the disposition of sewage or solid waste or the construction
of water supply or sewage or solid waste disposal, facilities until the department has approved plans for those
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facilities.
(21) "Sewage" has the meaning provided in 75-5-103.
(22) "Sewer service line" means a sewerline that connects a single building or living unit to a public
sewage system or to an extension of a public sewage system.
(23) "Solid waste" has the meaning provided in 75-10-103.
(24) "Subdivision" means a division of land or land so divided that creates one or more parcels
containing less than 20 acres, exclusive of public roadways, in order that the title to or possession of the
parcels may be sold, rented, leased, or otherwise conveyed and includes any resubdivision, any condominium,
townhome, or townhouse, or any parcel, regardless of size, that provides two or more permanent spaces for
recreational camping vehicles or mobile homes.
(25) "Water service line" means a waterline that connects a single building or living unit to a public
water supply system or to an extension of a public water supply system.
(26) "Well isolation zone" means the area within a 100-foot radius of a water well or a smaller, site-
specific radius as approved by the department."
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I hereby certify that the within bill,
HB 180, originated in the House.
___________________________________________
Chief Clerk of the House
___________________________________________
Speaker of the House
Signed this _______________________________day
of____________________________________, 2025.
___________________________________________
President of the Senate
Signed this _______________________________day
of____________________________________, 2025.
HOUSE BILL NO. 180
INTRODUCED BY C. SPRUNGER, J. KASSMIER, F. MANDEVILLE, S. ESSMANN, S. FITZPATRICK, S.
GIST, K. SEEKINS-CROWE
AN ACT REVISING SANITATION IN SUBDIVISION LAWS; PROHIBITING A LOCAL BOARD OF HEALTH
FROM ADOPTING REGULATIONS THAT WOULD ALLOW FOR A MIXING ZONE THAT ENCROACHES ON
ADJACENT PROPERTY; PROVIDING THAT THE SANITATION IN SUBDIVISIONS ACT DOES NOT APPLY
TO CERTAIN DRAINFIELD MIXING ZONES; REVISING A DEFINITION; AND AMENDING SECTIONS 50-2-
116 AND 76-4-102, MCA.