MISSOURI CLEAN WATER LAW
644.006	Citation of act. (8/28/1973)
644.011	Statement of policy. (8/28/2015)
644.016	Definitions. (7/9/2024)
644.018	Reasonable use defined in cases involving surface water in flood-prone areas. (6/9/1998)
644.021	Commission created, members, qualifications, term — meetings. (10/14/2016)
644.026	Powers and duties of commission — rules, procedure. (8/28/2014)
644.027	Sewer districts and systems made available to political subdivisions, no ... (4/17/2001)
644.029	New water quality requirements, grandfathering provision. (8/28/2013)
644.031	Storm water control, first class counties, Kansas City and St. Louis — ... (8/28/1999)
644.032	Sales tax for purpose of storm water control or local parks or both may be ... (8/28/2004)
644.033	Sales tax collection to be deposited in local parks and storm water control ... (8/28/1995)
644.034	Wastewater and water pollution abatement in certain counties (including ... (7/13/1999)
644.036	Public hearings — rules and regulations, how promulgated — listings under ... (7/11/2011)
644.037	Wetlands impact by nationwide permit, department to certify. (6/9/1998)
644.038	Certification of nationwide permit by department, when. (8/28/2001)
644.041	Effluent regulations to be promulgated — nutrient management technical ... (7/9/2024)
644.042	Losing streams, a rebuttable presumption, how determined. (6/9/1998)
644.051	Prohibited acts — permits required, when, exemptions, fee — permit ... (7/9/2024)
644.052	Permit types, fees, amounts — requests for permit modifications — requests ... (8/28/2013)
644.053	Construction permit, fees — general construction permits by rule, fees not ... (8/28/2000)
644.054	Fees, billing and collection — administration, generally — fees to become ... (8/28/2018)
644.055	Fees, nonpayment — penalty. (8/28/1990)
644.056	Investigations, when — misrepresentation or failure to disclose a ... (8/28/2015)
644.057	Clean water fee structure review, requirements. (8/28/2023)
644.058	Water quality standards revised, when — evaluation to be conducted, when. (8/28/2014)
644.059	Agricultural storm water discharge exempt from permitting requirements — ... (8/28/2018)
644.060	Processed recycled asphalt shingles — use without permit, when. (8/28/2022)
644.061	Variances, when allowed — petition, fee — variance revoked, when — judicial ... (8/28/2000)
644.062	Provisional variances granted, when — procedure. (8/28/2013)
644.066	Public hearings, how conducted — transcripts available — discovery ... (8/28/2000)
644.071	Judicial review authorized. (8/28/2012)
644.076	Unlawful acts prohibited — false statements and negligent acts prohibited — ... (8/28/2005)
644.079	Administrative penalties, assessments, restrictions — conference, ... (8/28/1993)
644.082	Discharging water contaminants, permit required — violation, penalties. (8/28/1982)
644.091	State or its subdivisions not to contract with violator. (7/23/1973)
644.096	State or its subdivisions may recover actual damages from violators. (7/23/1973)
644.101	Certain drinking water and water pollution projects, state may provide ... (7/7/2009)
644.102	Matching grants for state revolving loan recipients. (8/28/2007)
644.106	State contributions limited — interest, limited — administrative fee allowed. (6/18/1991)
644.111	Commission to administer all state funds. (6/18/1991)
644.116	Rules and regulations to be adopted by commission — clean water commission ... (6/9/1998)
644.117	Small rural communities to have percentage of funds. (8/28/1987)
644.121	Rules and procedures, commission to adopt. (6/18/1991)
644.122	Water and wastewater loan fund established — use of funds — deposits, ... (8/28/2000)
644.123	Repayment of loans credited to fund — administrative fees, deposit of, uses of. (6/18/1991)
644.124	State treasurer authorized to invest moneys of fund. (6/18/1991)
644.125	Delinquent repayment by county or municipality, repayment out of sales tax ... (6/18/1991)
644.126	Water pollution board rules and orders to remain in effect until new ... (7/23/1973)
644.131	Other legal remedies not to be affected or abridged by sections 644.006 to ... (7/23/1973)
644.136	Commission designated official state agency to deal with federal government ... (6/18/1991)
644.141	Designation of special areas by governor — appointment of agency to control ... (7/23/1973)
644.143	Commission to establish groundwater remediation procedures, criteria for ... (8/28/1999)
644.145	Affordability finding required, when — definitions — procedures to be ... (7/9/2024)
644.150	Subdivision defined. (8/28/1998)
	WASTEWATER TREATMENT SYSTEMS
644.200	Wastewater treatment system upgrades, department duties — analysis of options. (6/28/2016)
	WATER POLLUTION BONDS
644.500	Commissioners authorized to borrow $20,000,000 for control of water pollution. (3/29/1972)
644.502	Commissioners authorized to borrow additional $20,000,000 for control of ... (8/28/1983)
644.503	Commissioners authorized to borrow additional $35,000,000 for control of ... (8/28/1984)
644.504	Commissioners authorized to borrow additional $35,000,000 for control of ... (8/28/1987)
644.505	Bonds, when issued — denominations — interest, how set — form of bonds — ... (6/18/1991)
644.506	(Repealed L. 1991 S.B. 185 § C) (6/18/1991)
644.507	Exception to limitations on bond interest rates. (6/18/1991)
644.508	Borrowing additional sums, commissioners authority, state credit. (8/28/1997)
644.509	Debt authorization. (8/28/1999)
644.510	Bonds, how registered. (3/29/1972)
644.511	Additional bonds, how registered. (7/23/1973)
644.515	Bonds, how sold, deposits — proceeds — expenses of sale, how paid. (3/29/1972)
644.516	Additional bonds, how sold, deposits — proceeds — expenses of sale, how paid. (6/18/1991)
644.520	Proceeds of sale, how handled. (3/29/1972)
644.521	Proceeds of sale of additional bonds, how handled. (6/18/1991)
644.526	Investment of water pollution control funds — interest to accrue to fund. (8/28/1983)
644.530	Water pollution control bond and interest fund created, how used. (3/29/1972)
644.531	Water pollution control bond and interest fund, how used. (6/18/1991)
644.535	Water pollution control bond and interest fund, how deposited. (6/18/1991)
644.536	(Repealed L. 1991 S.B. 185 § C) (6/18/1991)
644.540	Tangible property tax, when levied. (3/29/1972)
644.541	Tangible property tax, when levied. (7/23/1973)
644.545	Water pollution control bond and interest fund money to stand appropriated ... (3/29/1972)
644.546	Water pollution control bond and interest fund money to stand appropriated ... (7/23/1973)
644.550	(Repealed L. 2010 H.B. 1965 § A) (8/28/2010)
644.551	Additional bonds, principal and interest, how and when paid — repurchase when. (8/28/2010)
644.555	Treasurer to report on bond transactions to general assembly. (3/29/1972)
644.556	Treasurer to report on additional bond transactions to general assembly. (6/18/1991)
644.560	Bonds to be issued as funds are required — issuance by resolution of board ... (3/29/1972)
644.561	Additional bonds to be issued as funds are required — issuance by ... (6/18/1991)
644.564	Commissioner authorized to borrow additional $30,000,000 for water ... (6/6/1989)
644.566	Commissioners authorized to borrow additional $2,500,000 for improvements. (8/28/1999)
644.566	Commissioners authorized to borrow additional $2,500,000 for improvements ... (8/28/1999)
644.568	Commissioners may borrow additional $10,000,000 for rural water and sewer ... (8/28/1999)
644.570	Commissioners may borrow additional $20,000,000 for grants and loans to ... (8/28/2008)
644.571	Contingent effective date. (8/28/2008)
644.572	Commissioners authorized to borrow additional $10,000,000 for improvements. (8/28/2000)
644.573	Commissioners may borrow additional $10,000,000 for improvements. (8/28/2001)
644.574	Commissioners may borrow additional $20,000,000 for rural water and sewer ... (8/28/2000)
644.575	Commissioners may borrow additional $10,000,000 for rural water and sewer ... (8/28/2001)
644.576	Commissioners may borrow additional $40,000,000 for grants and loans to ... (8/28/2000)
644.577	Commissioners may borrow additional $20,000,000 for grants and loans to ... (8/28/2001)
644.578	Board may borrow additional $10,000,000 for purposes of water pollution ... (8/28/2002)
644.579	Board may borrow additional $10,000,000 for purposes of rural water and ... (8/28/2002)
644.580	Board may borrow additional $20,000,000 for purposes of storm water control. (8/28/2002)
644.581	Board may borrow additional $10,000,000 for purposes of water pollution ... (8/28/2004)
644.582	Board may borrow additional $10,000,000 for purposes of rural water and ... (8/28/2004)
644.583	Board may borrow additional $20,000,000 for purposes of storm water control. (8/28/2004)
644.584	Board may borrow additional $10,000,000 for purposes of water pollution ... (8/28/2005)
644.585	Board may borrow additional $10,000,000 for purposes of rural water and ... (8/28/2005)
644.586	Board may borrow additional $20,000,000 for purposes of storm water control. (8/28/2005)
644.587	Board may borrow additional $10,000,000 for purposes of water pollution, ... (8/28/2006)
644.588	Board may borrow additional $10,000,000 for purposes of rural water and ... (8/28/2006)
644.589	Board may borrow additional $20,000,000 for purposes of storm water control. (8/28/2006)
644.597	Board may borrow additional $10,000,000 for purposes of water pollution, ... (8/28/2007)
644.598	Board may borrow additional $10,000,000 for purposes of rural water and ... (8/28/2007)
644.599	Board may borrow additional $20,000,000 for purposes of storm water control. (8/28/2007)

- Cross References
	Additional duties and powers of commission, Chap. 256
	Bond issue for water pollution, drinking water and storm water control, Const., Art. III § 37(e)
	City may contract with industrial establishment to abate stream pollution, 250.230
	Hearings on environmental matters, department of natural resources has burden of proof, exception, 640.012
	Liability on lender-owners for precedent environmental conditions, state preemption of legislation, 427.041
	Military service, exemption from certification requirements, 41.950
	Nonattainment areas, carbon emissions, implementation impact report, 640.090
	Underground storage tank regulation, 319.100 to 319.139