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NOTE: Payments made after 7:00pm will not be considered paid until the next business day, late fees and disconnect fees will not be waived if incurred during this time frame.

AVISO: Pagos realizados después de las 7:00pm serán considerados hasta el día siguiente (de negocios), recargospor pago tardío o desconección no serán removidos si se incurrenen éste periodo de tiempo.

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On October 2, 2017, at 6:00 a.m. East Rio Hondo Water Supply Corporation (PWS ID 0310096) and Arroyo City (PWS ID 0310031) will change our primary disinfectant from "Chloramines" to "Free Chlorine". The change in disinfectant is conducted as an annual distribution maintenance procedure in order to reduce nitrification and biofilm issues throughout our distribution system. It will take time after the change in disinfectants for the conversion to take place in the distribution system. We will be using free chlorine for 4 weeks. The 4-week period will end on October 31, 2017 at 6:00 a.m. After that time period ERHWSC will revert back to Chloramines for our disinfection process. During this conversion process a stronger chlorine/bleach odor may be apparent in your drinking water, as these odors are a product of the breakdown of chloramine by free chlorine. All regulatory requirements will be adhered to during this process in regards to the level of chlorine in your drinking water. E.R.H.W.S.C. advises any customers with medical conditions affected by Free Chlorination to consult medical professionals in regards to any affects concerning consuming chlorinated drinking water. If you have any questions, please contact Amanda M. Ramos, Administrative Services Manager at (956)247-7817.

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Water Quality Reports

Continuing Our Commitment

Once again we proudly present our annual water quality report.* This edition covers all testing completed from January 1, 2016 through December 31, 2016. We are pleased to tell you that our compliance with all state and federal drinking water laws remains exemplary. As in the past, we are committed to delivering the best-quality drinking water. To that end, we remain vigilant in meeting the challenges of source water protection, water conservation, and community education while continuing to serve the needs of all of our water users.

Charles M. Kilbourn, President of the Board

* Full Water quality reports are available in a printable PDF by clicking link below:

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