Quality-assured data means data that comply with commission rules for surface water quality monitoring programs, including rules governing the methods under which water samples are collected and analyzed and data from those samples are assessed and maintained. The Regional Quality Assurance Project Plan (QAPP) has been developed between the H-GAC and the TCEQ to carry out the activities mandated by the legislation. Seven local agencies comprehensively monitor water quality across the San Jacinto River Basin and the various coastal basins in the Houston metropolitan area: City of Houston Department of Health and Human Services, City of Houston Water Quality Control Laboratory, San Jacinto River Authority with Woodlands Division and Lake Conroe Division, City of Pearland, Environmental Institute of Houston at the University of Houston Clear Lake, Harris County Environmental Public Health Division, and Houston-Galveston Area Council (H-GAC). H-GAC’s Regional Quality Assurance Project Plan (QAPP) describes all local partner data collection activities. The data will be integrated into the statewide water quality database.

FY08-09 Regional Quality Assurance Project Plan
Final Document (PDF) 418K
Coordinated Monitoring Station Location Maps
Map TCEQ FY09 (PDF) 9.1M
Map FY09 (PDF) 9.4M
Map FY08 (PDF) 4.2M
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Amendment 1 (PDF) 314K Amendment 2 (PDF) 264K Amendment 3 (PDF) 264K Amendment 4 (PDF) 247K Amendment 5 (PDF) 293K Amendment 6 (PDF) 254K Amendment 7 (PDF) 313K Amendment 8 (PDF) 249K Amendment 9 (PDF) 320K Amendment 10 (PDF) 150K Amendment 11 (PDF) 130K Amendment 12 (PDF) 692K Amendment 13 (PDF) 986K
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— Harris County PHES — Environmental Institute of Houston, UHCL — City of Pearland — San Jacinto River Authority, Woodlands Division — City of Houston, Water Quality Control Division — SJRA Lake Conroe + COH, Water Quality Control — City of Houston, Health & Human Services — Houston-Galveston Area Council — COH-HHS Site Characterizations — NELAC Updates — Appendix B, Coordinated Monitoring Schedule Update — Halls Bayou & Bacteria Holding Extension — City of Houston, 24-Hour Monitoring
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Appendix K - Characterization of Suspended Sediment Loads in the West Fork San Jacinto River, Houston, TX Final Document (PDF) 2.5M
Task 1 - Quality Assurance Project Plan - West Fork San Jacinto River Continuous Monitoring Site QAPP - Final (PDF) 52K QAPP - Revision (PDF) 53K
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Measurement Performance Specification (MPS) Tables and Updates
Measurement Performance Specification Tables support the collection of surface water quality data needed for conducting water quality assessments.
2008 Guidance for Assessing and Reporting Surface Water Quality in Texas (PDF) 1.2.M
Updates to MPS Tables for FY 2008-09 (PDF) 88K

For older Regional Quality Assurance Project Plans please contact:
Jean Wright
Clean Rivers Program Quality Assurance Officer
(713) 499-6660
jean.wright@h-gac.com