<?xml version="1.0" encoding="UTF-8"?>
<!-- edited with XMLSpy v2006 rel. 3 sp1 (http://www.altova.com) by Scott Kocher (INDUS Corporation) -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:att="http://www.exchangenetwork.net/schema/OWIR/ATT/1" targetNamespace="http://www.exchangenetwork.net/schema/OWIR/ATT/1" elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.1">
  <xsd:annotation>
    <xsd:documentation>Schema Name: ATT_AssessmentUnitLocations.xsd</xsd:documentation>
    <xsd:documentation>Description: Component Schema for ATT (Water Assessment Data) AssessmentUnitLocation types</xsd:documentation>
    <xsd:documentation>Application: Integrated Reports (IR) for 305(b) and 303(d) systems</xsd:documentation>
    <xsd:documentation>Developed by: Environmental Protection Agency, INDUS Corporation</xsd:documentation>
    <xsd:documentation>Point of Contact: Scott Kocher</xsd:documentation>
  </xsd:annotation>
  <xsd:include schemaLocation="./ATT_Shared_v1.1.xsd"/>
  <xsd:include schemaLocation="./ATT_StateLocations_v1.1.xsd"/>
  <xsd:include schemaLocation="http://www.exchangenetwork.net/schema/SC/SC_GeographicLocationDescription_v2.0.xsd"/>
  <xsd:complexType name="AssessmentUnitLocationsDataType">
    <xsd:sequence>
      <xsd:element ref="att:AssessmentUnitLocationDetails" minOccurs="0" maxOccurs="unbounded"/>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="AssessmentUnitLocationDetailsDataType">
    <xsd:choice>
      <xsd:element ref="att:LocationID"/>
      <xsd:element ref="att:GeographicLocationDescription"/>
    </xsd:choice>
  </xsd:complexType>
  <xsd:element name="AssessmentUnitLocations" type="att:AssessmentUnitLocationsDataType">
    <xsd:unique name="AULPK">
      <xsd:selector xpath="att:AssessmentUnitLocationDetails"/>
      <xsd:field xpath="att:LocationID"/>
    </xsd:unique>
  </xsd:element>
  <xsd:element name="AssessmentUnitLocationDetails" type="att:AssessmentUnitLocationDetailsDataType"/>
</xsd:schema>
