<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a0b0e2-829f-7ee0-963e-49a31bfcbe14,g:f073d66b-d54c-454d-8257-eedd2d1469ee-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.gwresources.com/role/Cover" xlink:type="simple" xlink:href="gwrs-20261103.xsd#Cover"/>
  <link:presentationLink xlink:role="http://www.gwresources.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_01a0b0e2-829f-7fad-b510-aff28a1e3bca" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_01a0b0e2-829f-796e-9df3-add0a5103eac" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a0b0e2-829f-7fad-b510-aff28a1e3bca" xlink:to="loc_dei_DocumentInformationTable_01a0b0e2-829f-796e-9df3-add0a5103eac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationDocumentAxis_01a0b0e2-829f-7dc5-a507-901a5209fa95" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationDocumentAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_01a0b0e2-829f-796e-9df3-add0a5103eac" xlink:to="loc_dei_DocumentInformationDocumentAxis_01a0b0e2-829f-7dc5-a507-901a5209fa95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentDomain_01a0b0e2-829f-765c-8f9e-f8f01d1bf672" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationDocumentAxis_01a0b0e2-829f-7dc5-a507-901a5209fa95" xlink:to="loc_dei_DocumentDomain_01a0b0e2-829f-765c-8f9e-f8f01d1bf672" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_01a0b0e2-829f-796e-9df3-add0a5103eac" xlink:to="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_01a0b0e2-829f-72c3-a9e8-fd4493858872" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_DocumentType_01a0b0e2-829f-72c3-a9e8-fd4493858872" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a0b0e2-829f-73aa-a752-ffe21c93f732" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_DocumentPeriodEndDate_01a0b0e2-829f-73aa-a752-ffe21c93f732" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a0b0e2-829f-7fb2-b4ba-bfb3960edac1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityRegistrantName_01a0b0e2-829f-7fb2-b4ba-bfb3960edac1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a0b0e2-829f-7afb-acc6-712197e6f247" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a0b0e2-829f-7afb-acc6-712197e6f247" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a0b0e2-829f-7e4f-8638-cc322ba71dee" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityFileNumber_01a0b0e2-829f-7e4f-8638-cc322ba71dee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a0b0e2-829f-7426-b1f9-45dfcb75ff2a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a0b0e2-829f-7426-b1f9-45dfcb75ff2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a0b0e2-829f-76af-a59b-0b3ad32ce2f9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityAddressAddressLine1_01a0b0e2-829f-76af-a59b-0b3ad32ce2f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a0b0e2-829f-794a-83ef-148b52fad53e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityAddressPostalZipCode_01a0b0e2-829f-794a-83ef-148b52fad53e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a0b0e2-829f-7e37-b410-b3c11d502937" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityAddressStateOrProvince_01a0b0e2-829f-7e37-b410-b3c11d502937" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a0b0e2-829f-781f-ae02-70cb2316ff87" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityAddressCityOrTown_01a0b0e2-829f-781f-ae02-70cb2316ff87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a0b0e2-829f-785e-a14c-536bb2aff3df" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_CityAreaCode_01a0b0e2-829f-785e-a14c-536bb2aff3df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a0b0e2-829f-781e-98e2-ea07a7c3cf28" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_LocalPhoneNumber_01a0b0e2-829f-781e-98e2-ea07a7c3cf28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01a0b0e2-829f-7992-9f1a-bd50d2cf7d61" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_Security12bTitle_01a0b0e2-829f-7992-9f1a-bd50d2cf7d61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_01a0b0e2-829f-79f1-84af-3c62a8b0cf94" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_TradingSymbol_01a0b0e2-829f-79f1-84af-3c62a8b0cf94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_01a0b0e2-829f-7cd3-b68a-016d96ebf9f2" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_SecurityExchangeName_01a0b0e2-829f-7cd3-b68a-016d96ebf9f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a0b0e2-829f-72fe-961c-e6a014efa2da" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_WrittenCommunications_01a0b0e2-829f-72fe-961c-e6a014efa2da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a0b0e2-829f-7b15-87d2-6f997545c7da" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_SolicitingMaterial_01a0b0e2-829f-7b15-87d2-6f997545c7da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a0b0e2-829f-775e-9fd4-1d574a18869e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_PreCommencementTenderOffer_01a0b0e2-829f-775e-9fd4-1d574a18869e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a0b0e2-829f-7668-9baa-d6b2ef28eb62" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a0b0e2-829f-7668-9baa-d6b2ef28eb62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a0b0e2-829f-7513-ba8d-940d6d7d84e6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a0b0e2-829f-7513-ba8d-940d6d7d84e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a0b0e2-829f-73bd-b4cd-17f2b9654fb0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_AmendmentFlag_01a0b0e2-829f-73bd-b4cd-17f2b9654fb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a0b0e2-829f-7d33-b8b2-70a9458b31e8" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_01a0b0e2-829f-7104-94cd-0913fc85429d" xlink:to="loc_dei_EntityCentralIndexKey_01a0b0e2-829f-7d33-b8b2-70a9458b31e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
