 
Cameron County, Texas | Municipal Water Utility Company | Public Service Announcement
The municipal water supply in East Rio Hondo WSC may contain various concerning contaminants including Cobalt, o-Xylene, Radium and Trichloroethylene, and residents might experience exceptionally elevated water hardness levels. East Rio Hondo WSC provides your community with municipal water sourced primarily from Surface water reservoirs.
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East Rio Hondo WSC Area Details
 
Area served:
Cameron County, Texas
 
Population served:
20676
 
Water source:
Surface water
 
Phone:
956-748-3633
 
Address:
206 Industrial Pkwy |, Rio Hondo, TX 78583
 
3date
Contaminants Detected In Cameron County, Texas
Arsenic; Bromodichloromethane; Bromoform; Chlorate; Chlorite; Chloroform; Dibromochloromethane; Dichloroacetic acid; Total trihalomethanes (TTHMs); Tr… more
 
Limited Time: Free Official Water Safety Report for East Rio Hondo WSC!
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East Rio Hondo WSC
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by East Rio Hondo WSC
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; 1,2,3-Trichloropropane; 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; 17-beta-Estradiol; 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; 4-Androstene-3,17-dione; Acenaphthene; Acenaphthylene; Acifluorfen (Blazer); Acrylonitrile; Alachlor (Lasso); Aldicarb; Aldicarb sulfone; Aldicarb sulfoxide; Aldrin; alpha-Chlordane; Anthracene; Asbestos; Atrazine; 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; Bromochloromethane; Bromomethane; Butachlor; Butyl benzyl phthalate; Cadmium; Carbaryl; Carbofuran; Carbon tetrachloride; Chloramben; Chlordane; Chlorodifluoromethane; Chloroethane; Chloromethane; Chrysene; cis-1,2-Dichloroethylene; cis-1,3-Dichloropropene; Cobalt; Combined uranium; 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; Diiodomethane; Dimethyl phthalate; Dinoseb; Endrin; Equilin; Estriol; Estrone; Ethinyl estradiol; Ethyl methacrylate; Ethylbenzene; Ethylene dibromide; Fluorene; gamma-Chlordane; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorobutadiene; Hexachlorocyclopentadiene; Indeno[1,2,3-cd]pyrene; Iodomethane; Isopropylbenzene; Lindane; m- & p-Xylene; m-Dichlorobenzene; Mercury (inorganic); Methiocarb; Methomyl; Methoxychlor; Methyl ethyl ketone; Methyl isobutyl ketone; Methyl methacrylate; Metolachlor; Metribuzin; Monochlorobenzene (chlorobenzene); MTBE; n-Butylbenzene; n-Propylbenzene; Naphthalene; o-Chlorotoluene; o-Dichlorobenzene; o-Xylene; 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; Polychlorinated biphenyls (PCBs); Prometon; Propachlor; Pyrene; Quinclorac; Radium-228; sec-Butylbenzene; Simazine; Styrene; tert-Butylbenzene; Testosterone; Tetrachloroethylene (perchloroethylene); Tetrahydrofuran; Toluene; Toxaphene; trans-1,2-Dichloroethylene; trans-1,3-Dichloropropene; trans-Nonachlor; Trichloroethylene; Trichlorofluoromethane; Trifluralin; Vinyl acetate; Vinyl chloride; Xylenes (total)
 
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East Rio Hondo WSC
About Us
We are pleased to present our annual water quality report to East Rio Hondo residents. As in previous years, we remain dedicated to delivering the highest quality water possible. We continue to meet the challenges of new regulations, source water protection, conservation initiatives, and community education while fulfilling the needs of all our water users.
We invite you to participate in our public forums and voice any concerns about your municipal water. Our meetings are held on the second Monday of each month at 6:00 PM at the East Rio Hondo Water Supply Corporation (ERHWSC) Main Office, located at 206 Industrial Parkway, Rio Hondo, Texas.
The Texas Commission on Environmental Quality (TCEQ) has completed an assessment of our source water. Results indicate some sources may be susceptible to certain contaminants. Testing requirements are based on this susceptibility and previous data. For more information about source water assessments and protection efforts, contact TCEQ Region 15 office at (956) 425-6010.
Important Health Information: Some individuals may be more vulnerable than the general population to certain microbial contaminants in municipal water, particularly those with compromised immune systems. This includes infants, elderly persons, cancer patients undergoing chemotherapy, organ transplant recipients, people on steroid treatments, and those with HIV/AIDS. Please consult your healthcare provider regarding municipal water consumption. Guidelines on reducing infection risk from Cryptosporidium are available from the Safe Drinking Water Hotline at (800) 426-4791.
In 2017, East Rio Hondo WSC implemented an UltraViolet Disinfection System at the Martha A. Simpson Water Treatment Plant on FM 510 capable of neutralizing Cryptosporidium. This system adds an additional layer of protection beyond traditional treatment processes.
Lead in Residential Plumbing: Elevated lead levels can cause serious health issues, especially for pregnant women and young children. Lead in water primarily comes from materials and components in service lines and home plumbing. While we provide high-quality municipal water, we cannot control the materials used in household 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 in water, testing methods, and exposure reduction steps, call the Safe Drinking Water Hotline or visit www.EPA.gov/safewater/lead.
Water Sources and Potential Contaminants: Our municipal water (both tap and bottled) originates from rivers, lakes, streams, ponds, reservoirs, springs, and wells. As water travels over land surfaces or underground, it dissolves naturally occurring minerals and can pick up substances from animal or human activity. Municipal water may reasonably contain small amounts of certain contaminants, though their presence doesn't necessarily indicate a health risk.
East Rio Hondo WSC operates three surface water treatment plants: a 0.675 Million Gallons Daily (MGD) facility in Arroyo City, and two near San Benito (3.2 MGD and 8.0 MGD), plus a 2.0 MGD saline groundwater Reverse Osmosis treatment plant west of Combes, Texas. We also supplement our supply through an agreement with the City of Harlingen for 6.0 million gallons monthly of treated water.

For more information on your municipal water, visit the U.S. Environmental Protection Agency:
East Rio Hondo WSC Municipal Water Company and EPAEast Rio Hondo WSC Municipal Water Report Information
East Rio Hondo WSC is located in Cameron County, Texas, approximately 6 miles from the U.S./Mexico border. Established in the 1970s, the Corporation provides potable water service to rural areas of Rio Hondo and Cameron County north of SH 100, east of US Highway 77/83, south of the Cameron/Willacy County line and the floodway, extending east to the Laguna Madre (excluding Harlingen, Los Fresnos, San Benito, Combes, Rio Hondo and Laguna Madre Water District).
The system serves approximately 24,000 residents across an unincorporated area spanning roughly 407 square miles. ERHWSC maintains about 7,250 retail water meters plus 500 additional meters through three wholesale accounts. Authority for water service is granted by the Texas Commission on Environmental Quality (TCEQ) through Certificate of Convenience and Necessity (CCN) No. 11552.
ERHWSC also operates a wastewater treatment plant and collection system for the colonies of Lozano and Las Yescas under CCN No. 20861. A second phase expansion is planned to extend wastewater services to residents in Arroyo Gardens, Lantana, Arroyo Colorado Estates, and San Vicente.
In 2003, Arroyo Water Supply Corporation merged with ERHWSC following board resolutions and a membership vote. The merger took effect January 1, 2004.
The ERHWSC Board and management team continuously work to maintain quality service and excellent water for our members at reasonable rates while planning infrastructure improvements to ensure reliable service throughout our coverage area.
Municipal Water Utility Company FAQ

For more information on your municipal water, visit the U.S. CDC:
East Rio Hondo WSC Municipal Water Company and CDC.. ...

East Rio Hondo WSC provides municipal water services to the public of Rio Hondo and Cameron County, Texas.
Get the East Rio Hondo WSC Official Water Score Report for Free (limited time offer).

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