<SEC-DOCUMENT>0001600737-26-000004.txt : 20260518
<SEC-HEADER>0001600737-26-000004.hdr.sgml : 20260518
<ACCEPTANCE-DATETIME>20260518172958
ACCESSION NUMBER:		0001600737-26-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260514
FILED AS OF DATE:		20260518
DATE AS OF CHANGE:		20260518

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Burnett Richard Alan
		CENTRAL INDEX KEY:			0001600737
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38066
		FILM NUMBER:		26995078

	MAIL ADDRESS:	
		STREET 1:		C/O SELECT WATER
		STREET 2:		1820 N I-35
		CITY:			GAINESVILLE
		STATE:			TX
		ZIP:			76240

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Select Water Solutions, Inc.
		CENTRAL INDEX KEY:			0001693256
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				814561945
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1820 NORTH I-35
		CITY:			GAINESVILLE
		STATE:			TX
		ZIP:			76240
		BUSINESS PHONE:		(940) 668-1818

	MAIL ADDRESS:	
		STREET 1:		1820 NORTH I-35
		CITY:			GAINESVILLE
		STATE:			TX
		ZIP:			76240

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Select Energy Services, Inc.
		DATE OF NAME CHANGE:	20161227
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-05-14</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001693256</issuerCik>
        <issuerName>Select Water Solutions, Inc.</issuerName>
        <issuerTradingSymbol>WTTR</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001600737</rptOwnerCik>
            <rptOwnerName>Burnett Richard Alan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>1820 N I-35</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GAINESVILLE</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-05-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>19684.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.73</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>116894.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-05-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>45316.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.74</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>71578.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was executed in multiple trades at prices ranging from $18.70 USD to $18.795 USD; the price reported above reflects the weighted average sale price. The reporting person undertakes to provide to Select Water Solutions, Inc., a Delaware corporation (the &quot;Issuer&quot;), any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.</footnote>
        <footnote id="F2">This transaction was executed in multiple trades at prices ranging from $18.70 USD to $18.79 USD; the price reported above reflects the weighted average sale price. The reporting person undertakes to provide to Select Water Solutions, Inc., a Delaware corporation (the &quot;Issuer&quot;), any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Richard Alan Burnett by Calla J Hackler, as Attorney-in-Fact</signatureName>
        <signatureDate>2026-05-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
