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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019d87fa-b077-7807-8ca4-e515a0c56d57,g:15d7ea6b-113f-4d1d-8efd-e61ec3fd4751-->
<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://middlesexwatercompany.com/role/Cover" xlink:type="simple" xlink:href="msex-20260430.xsd#Cover"/>
  <link:presentationLink xlink:role="http://middlesexwatercompany.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019d87fa-b077-7818-a050-10670b737f27" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_DocumentType_019d87fa-b077-7818-a050-10670b737f27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019d87fa-b077-731f-ac83-69cebe1088f3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_DocumentPeriodEndDate_019d87fa-b077-731f-ac83-69cebe1088f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019d87fa-b077-703c-a502-361b687e6bf2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityRegistrantName_019d87fa-b077-703c-a502-361b687e6bf2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019d87fa-b077-7664-a12f-2cbb32c2ea1a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019d87fa-b077-7664-a12f-2cbb32c2ea1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019d87fa-b077-7ee5-b5b3-4595f80ad391" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityFileNumber_019d87fa-b077-7ee5-b5b3-4595f80ad391" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019d87fa-b077-7466-be1f-22faabd93dc3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityTaxIdentificationNumber_019d87fa-b077-7466-be1f-22faabd93dc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019d87fa-b077-7f24-829b-aef79d4f79d3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityAddressAddressLine1_019d87fa-b077-7f24-829b-aef79d4f79d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_019d87fa-b077-73a2-9caa-57e7b28c661c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityAddressAddressLine2_019d87fa-b077-73a2-9caa-57e7b28c661c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019d87fa-b077-7f6e-9b4c-62df1d66b5cb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityAddressCityOrTown_019d87fa-b077-7f6e-9b4c-62df1d66b5cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019d87fa-b077-779c-9343-6c6813a6e0cf" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityAddressStateOrProvince_019d87fa-b077-779c-9343-6c6813a6e0cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019d87fa-b077-7ce5-8d2d-92d447abcb58" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityAddressPostalZipCode_019d87fa-b077-7ce5-8d2d-92d447abcb58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019d87fa-b077-7939-baa7-e899128db631" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_CityAreaCode_019d87fa-b077-7939-baa7-e899128db631" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019d87fa-b077-7eb2-a66a-e7e319d0ed29" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_LocalPhoneNumber_019d87fa-b077-7eb2-a66a-e7e319d0ed29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019d87fa-b077-7948-ab94-f3f9865b7660" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_WrittenCommunications_019d87fa-b077-7948-ab94-f3f9865b7660" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019d87fa-b077-70c1-9066-4d9c789641c8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_SolicitingMaterial_019d87fa-b077-70c1-9066-4d9c789641c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019d87fa-b077-76a6-b457-3ed272ad04b9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_PreCommencementTenderOffer_019d87fa-b077-76a6-b457-3ed272ad04b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019d87fa-b077-7c40-b38e-b1b82a3fd1e6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019d87fa-b077-7c40-b38e-b1b82a3fd1e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019d87fa-b077-7170-9a77-d6882bdc3b18" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_Security12bTitle_019d87fa-b077-7170-9a77-d6882bdc3b18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019d87fa-b077-78fa-8c93-60d6f090ac5f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_TradingSymbol_019d87fa-b077-78fa-8c93-60d6f090ac5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019d87fa-b077-7c7a-8a20-bb9bfb9ce0d6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_SecurityExchangeName_019d87fa-b077-7c7a-8a20-bb9bfb9ce0d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019d87fa-b077-7289-ac4b-f5f647bae2d3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityEmergingGrowthCompany_019d87fa-b077-7289-ac4b-f5f647bae2d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019d87fa-b077-758e-8c34-e87a9bb4c189" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_EntityCentralIndexKey_019d87fa-b077-758e-8c34-e87a9bb4c189" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019d87fa-b077-791a-bbe1-e85aaa2f1c10" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d87fa-b077-7156-8a4e-61d9c7cb4b33" xlink:to="loc_dei_AmendmentFlag_019d87fa-b077-791a-bbe1-e85aaa2f1c10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
