 
Harris County, Texas | Municipal Water Utility Company | Public Service Announcement
Residents of Clear Lake City may find their tap water quality compromised by several concerning contaminants including p-Cresol, Chlorate, Chromium and Hormones, along with elevated water hardness levels. Clear Lake City Water Authority provides municipal water to this region primarily from purchased surface water, sourced from the Trinity River via Lake Livingston.
What's in your tap water?
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US Public Records
Clear Lake City Water Authority Area Details
 
Area served:
Harris County, Texas
 
Population served:
86048
 
Water source:
Purchased surface water
 
Phone:
281-488-1164
 
Address:
900 Bay Area Blvd, Houston, TX 77058
 
3date
Contaminants Detected In Harris County, Texas
1,2,3-Trichloropropane; Bromodichloromethane; Chloroform; Dibromochloromethane; Dichloroacetic acid; Total trihalomethanes (TTHMs); Trichloroacetic ac… more
 
For a Limited Time - Get the Clear Lake City Water Authority Official Water Score Report for Free.
DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!
US Public Records
Clear Lake City Water Authority
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by Clear Lake City Water Authority
Tested But Not Detected:
  
1,1,1,2-Tetrachloroethane; 1,1,1-Trichloroethane; 1,1,2,2-Tetrachloroethane; 1,1,2-Trichloroethane; 1,1-Dichloroethane; 1,1-Dichloroethylene; 1,1-Dichloropropene; 1,2,3-Trichlorobenzene; 1,2,4-Trichlorobenzene; 1,2,4-Trimethylbenzene; 1,2-Dibromo-3-chloropropane (DBCP); 1,2-Dichloroethane; 1,2-Dichloropropane; 1,3,5-Trimethylbenzene; 1,3-Butadiene; 1,3-Dichloropropane; 1,4-Dioxane; 2,2-Dichloropropane; 2,3-Dichlorobiphenyl; 2,4,5-T; 2,4,5-TP (Silvex); 2,4,5-Trichlorobiphenyl; 2,4-D; 2,4-DB; 2-Chlorobiphenyl; 2-Hexanone; 22'3'46-Pentachlorobiphenyl; 22'33'44'6-Heptachlorobiphenyl; 22'33'45'66'-Octachlorobiphenyl; 22'44'-Tetrachlorobiphenyl; 22'44'56'-Hexachlorobiphenyl; 3,5-Dichlorobenzoic acid; 3-Hydroxycarbofuran; Acenaphthene; Acenaphthylene; Acetone; Acifluorfen (Blazer); Acrylonitrile; Alachlor (Lasso); Aldicarb; Aldicarb sulfone; Aldicarb sulfoxide; Aldrin; alpha-Chlordane; Aluminum; Anthracene; Antimony; Arsenic; Asbestos; Baygon (Propoxur); Bentazon (Basagran); Benzene; Benzo[a]anthracene; Benzo[a]pyrene; Benzo[b]fluoranthene; Benzo[g,h,i]perylene; Benzo[k]fluoranthene; Beryllium; Bromacil; Bromobenzene; Bromomethane; Butachlor; Butyl benzyl phthalate; Cadmium; Carbaryl; Carbofuran; Carbon tetrachloride; Chloramben; Chlorate; Chlordane; Chlorodifluoromethane; Chloroethane; Chloromethane; Chrysene; cis-1,2-Dichloroethylene; cis-1,3-Dichloropropene; Cobalt; Cyanide; Dalapon; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Di-n-butyl phthalate; Dibenz[a,h]anthracene; Dibromomethane; Dicamba; Dichlorodifluoromethane; Dichloromethane (methylene chloride); Dichlorprop; Dieldrin; Diethyl phthalate; Dimethyl phthalate; Dinoseb; Endrin; Ethyl methacrylate; Ethylbenzene; Ethylene dibromide; Fluorene; gamma-Chlordane; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorobutadiene; Indeno[1,2,3-cd]pyrene; Iodomethane; Isopropylbenzene; Lindane; m-Dichlorobenzene; Mercury (inorganic); Methiocarb; Methomyl; Methoxychlor; Methyl ethyl ketone; Methyl isobutyl ketone; Methyl methacrylate; Metolachlor; Metribuzin; Monobromoacetic acid; Monochlorobenzene (chlorobenzene); MTBE; n-Butylbenzene; n-Propylbenzene; Naphthalene; o-Chlorotoluene; o-Dichlorobenzene; Oxamyl (Vydate); p-Chlorotoluene; p-Dichlorobenzene; p-Isopropyltoluene; Pentachlorophenol; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Phenanthrene; Picloram; Prometon; Propachlor; Pyrene; Quinclorac; Radium-228; sec-Butylbenzene; Selenium; Silver; Styrene; tert-Butylbenzene; Tetrachloroethylene (perchloroethylene); Tetrahydrofuran; Thallium; Toluene; Toxaphene; trans-1,2-Dichloroethylene; trans-1,3-Dichloropropene; trans-Nonachlor; Trichloroethylene; Trichlorofluoromethane; Trifluralin; Vinyl acetate; Vinyl chloride; Xylenes (total)
 
What's in your tap water?

Find out which contaminants are found above Legal and Health Guidelines.
DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!
US Public Records
Clear Lake City Water Authority
About Us
This report aims to educate you about your tap water quality and the measures implemented by your water provider to ensure safe water delivery. All water sources, including bottled water, may contain some level of contaminants. The presence of contaminants doesn't necessarily indicate a health risk. For more information about contaminants and potential health effects, you can contact the EPA's Safe Water Hotline at (800) 426-4791.
Water sources (for both tap and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and wells. As water travels across land or underground, it dissolves naturally-occurring minerals, sometimes radioactive materials, and can pick up substances from animal or human activity.
Potential contaminants in source water include:
- Microbial contaminants (viruses, bacteria) from sewage treatment plants, septic systems, agricultural operations, and wildlife
- Inorganic contaminants (salts, metals) either naturally-occurring or from urban runoff, wastewater discharges, oil/gas production, mining, or farming
- Pesticides and herbicides from agriculture, urban runoff, and residential uses
- Organic chemical contaminants from industrial processes, petroleum production, gas stations, and septic systems
- Radioactive contaminants, either naturally-occurring or resulting from resource extraction activities
CLCWA WATER SOURCE INFORMATION
Clear Lake City Water Authority obtains approximately 97% of its water from Houston's Southeast Surface Water Treatment Plant near Ellington, with the remaining 3% from groundwater wells. The primary source is surface water from the Trinity River via Lake Livingston, occasionally supplemented by water from the San Jacinto River via Lake Houston. During peak summer demand, the Authority uses deep wells from the Gulf Coast Aquifer.
To ensure tap water safety, the EPA establishes regulations limiting contaminant levels in public water systems, while the FDA sets similar standards for bottled water. Some customers may notice taste, odor, or color issues that don't necessarily pose health concerns. For information about these aesthetic issues, contact our office at 281-488-1164.
Certain populations may be more vulnerable to contaminants, including infants, elderly individuals, immunocompromised persons (such as those undergoing chemotherapy, organ transplant recipients, or people with HIV/AIDS). These individuals should seek medical advice about their water consumption.
Lead in tap water primarily comes from service lines and household plumbing materials. While Clear Lake City Water Authority provides high-quality water, we cannot control the materials used in plumbing components. To minimize lead exposure, flush your tap for 30 seconds to 2 minutes before using water for drinking or cooking. For more information about lead testing, visit http://www.epa.gov/safewater/lead.

For more information on your drinking water, visit the U.S. Environmental Protection Agency:
Clear Lake City Water Authority Drinking Water Company and EPAClear Lake City Water Authority Municipal Water Report Information
CLCWA History and Background
The Authority was established by House Bill 1003 during the 58th Legislature of Texas on May 6, 1963. Created to provide, operate and maintain waterworks systems, sanitary sewer systems, storm sewers, and drainage facilities, the Authority operates under the Texas Constitution, Texas Revised Civil Statutes, and Chapters 49 and 51 of the Texas Water Code.
Location and Service Area
Located primarily in southeast Harris County in the Clear Lake area (approximately 20 miles southeast of downtown Houston), the Authority's boundary is marked by State Highway 3 on its northwest-southeast edge. The Johnson Space Center is nearly surrounded by the Authority, with Ellington Field just outside its northwest boundary.
Initially covering 12,269 acres upon its creation, the Authority has expanded through annexations to approximately 16,106 acres, with about 13,490 acres developed for commercial, residential, and recreational purposes. Clear Lake City Water Authority stands as the largest water district in Texas.
Topography and Watershed Management
The Authority's elevation ranges from 10 feet above sea level along the eastern boundary to approximately 35 feet along the northwestern edge. Most developed areas lie above the projected 100-year flood plain.
Three major watersheds serve the region: Horsepen Bayou (west), Armand Bayou (central), and Cow Bayou (south), all flowing through Clear Lake into Galveston Bay. Developed subdivisions use enclosed storm sewer systems that discharge into detention lakes and improved channels of these major waterways.
The Authority actively implements a Storm Water Environmental Management Program to protect the bay from excessive solids and oily substances, with additional information available on their website.
Municipal Water Utility Company FAQ

For more information on your drinking water, visit the U.S. CDC:
Clear Lake City Water Authority Drinking Water Company and CDC.. ...

Clear Lake City Water Authority provides municipal water services to the residents of Houston and Harris County, Texas.
Free Water Safety Report for Clear Lake City Water Authority. (limited time offer)

DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!
US Public Records
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