Environmental Data

WATER QUALITY DATA - QUALITY ASSURANCE / QUALITY CONTROL

Measurement Performance Specification
Measurement Performance Specification Tables support the collection of surface water quality data needed for conducting water quality assessments in accordance with TCEQ's Guidance for Assessing Texas Surface and Finished Drinking Water Quality Data. 

Measurement Performance Specification Tables support the collection of surface water quality data needed for conducting water quality assessments in accordance with TCEQ's . 

MPS Tables for FY 2008-09 (PDF) 233K
MPS Tables for FY 2006-07 (PDF) 131K
MPS Tables for FY 2004-05 (PDF) 2.5M

Regional Quality Assurance Project Plan
Quality assurance policy and procedures, management structure and requirements to document reliable and valid data.

FY 2008-09 Regional QAPP  (PDF) 418K
Coordinated Monitoring  Station Location Map FY08 (PDF) 4.2M

FY 2006-07 Regional QAPP  (PDF) 341K
Coordinated Monitoring  Station Location Map FY06 (PDF) 3.8M

Special Study QAPPS (Projects initiated during Fiscal Year 2006-07)

Amendment #1 - Water Quality and Biological Characterization
Highland Bayou and Marchand Bayou Watersheds near Houston, Texas
Appendix G (PDF) 210K
Appendix G.1 (PDF) 5K
Appendix G.2 (PDF) 22K
Appendix G.3 (SEE) 854 K (change extension to EXE, doubleclick to extract files)
Appendix G.4 (PDF) 60K
Appendix G.5 (PDF) 21K
Cotton Bayou and West Fork DoubleBayouWatersheds, near Houston, Texas
Appendix H (PDF) 527K
Appendix H.1 (PDF) 5K
Appendix H.2 (PDF) 27K
Appendix H.3 (SEE) 854K (change extension to EXE, doubleclick to extract files)
Appendix H.4 (PDF) 60K
Appendix H.5 (PDF) 21K 

Amendment #2 - Coordinated Monitoring  Station Location Map FY07 (PDF) 3.8M
Amendment #3 - PBS Sampling Activities on Cedar Bayou (PDF) 53K
Amendment #4 - Changes Made by the Harris County Lab (HCEPHD) (PDF) 36K 

Coordinated Monitoring Schedule (LCRA)

Surface Water Monitoring Data
Data sets contain TCEQ Quality Assured ZIP data files for the four assessment basins within the H-GAC Region. Data are in MS Access 2000 format and have been zipped (using WinZip).

Water Quality Forms
The following documents require Adobe Acrobat Reader or Microsoft Word 2002. Please send the completed forms by e-mail or fax to:
Houston-Galveston Area Council
Attn. Bruce Ridpath
Clean Rivers Program Data Manager 
Phone: (832) 681-2537
Fax: (713) 993-4503
bruce.ridpath@h-gac.com

a) Data Review Checklist
Use this checklist to assist in your review of data processing methods prior to submitting your data to H-GAC.
Data Review Checklist (PDF) 114K
Data Review Checklist (DOC) 44K

b) Microbiological QA Comment Sheet
Use this sheet to provide additional comments relating to your data submittal and Microbiological Quality Assurance.
Microbiological QA Comment Sheet (PDF) 5K
Microbiological QA Comment Sheet (DOC) 19K

c) Station Status
Use this form to help H-GAC maintain Status information for your stations.
Station Status (PDF) 138 K
Station Status (DOC) 21K

Interactive Maps

Clean Rivers Program - Find Your Watershed
A popular educational tool for communicating water flow and waterway connectivity. Please disable the pop-up blocker on your computer to view the interactive maps. Enter your ZIP Code and find out which watershed you live in.  You can also view Summary and Water Quality Information for your Watershed.

Clean Rivers Program - Regional Monitoring Stations
View ambient water quality monitoring stations in the Houston-Galveston Region and download surface water quality data from local monitoring partners.

Clean Rivers Program - Ambient Water Quality Data
Perform simple queries on online surface water quality monitoring databases from the Texas Commission on Environmental Quality or Local Monitoring Agencies. Queries are based on Station ID-Description, Segment # and STORET Parameter Code.

Data Not Under A Quality Assurance Project Plan
H-GAC's Community & Environmental Planning Department also manages water quality data Not Under a Quality Assurance Project Plan (QAPP). This data includes metals and additional conventional parameters by each agency that are not covered by the Regional QAPP. In addition, there are Quality Assurance data available for all data submitted to H-GAC. For more information please contact:
Todd.Running@h-gac.com