
The Dalles, Oregon | Municipal Water Utility Company | Public Service Announcement
The municipal water supply in City of The Dalles may be compromised by several concerning contaminants including Chlorite, Formaldehyde, 1,2,3-Trimethylbenzene and Heptachlor epoxide, along with elevated levels of water hardness. City of The Dalles provides residents with municipal water sourced primarily from Surface water reservoirs.
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City of The Dalles Area Details

Area served:
The Dalles, Oregon

Population served:
12978

Water source:
Surface water

Phone:
541-296-5481

Address:
313 Court Street, The Dalles, OR 97058

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Contaminants Detected In The Dalles, Oregon
Chromium (hexavalent); Total trihalomethanes (TTHMs); Chromium (hexavalent); Barium; Chlorate; Molybdenum; Strontium; Vanadium… more

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City of The Dalles
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by City of The Dalles
Tested But Not Detected:
1,1,1-Trichloroethane; 1,1,2-Trichloroethane; 1,1-Dichloroethane; 1,1-Dichloroethylene; 1,2,3-Trichloropropane; 1,2,4-Trichlorobenzene; 1,2-Dibromo-3-chloropropane (DBCP); 1,2-Dichloroethane; 1,2-Dichloropropane; 1,3-Butadiene; 1,4-Dioxane; 2,4,5-TP (Silvex); 2,4-D; Alachlor (Lasso); Antimony; Arsenic; Asbestos; Atrazine; Benzene; Benzo[a]pyrene; Beryllium; Bromochloromethane; Bromomethane; Cadmium; Carbofuran; Carbon tetrachloride; Chlordane; Chlorodifluoromethane; Chloromethane; cis-1,2-Dichloroethylene; Cobalt; Combined uranium; Cyanide; Dalapon; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Dichloromethane (methylene chloride); Dinoseb; Diquat; Endothall; Endrin; Ethylbenzene; Ethylene dibromide; Glyphosate; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorocyclopentadiene; Lindane; Mercury (inorganic); Methoxychlor; Monochlorobenzene (chlorobenzene); Nitrate; Nitrate & nitrite; Nitrite; o-Dichlorobenzene; Oxamyl (Vydate); p-Dichlorobenzene; Pentachlorophenol; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Picloram; Polychlorinated biphenyls (PCBs); Radium; combined (-226 & -228); Selenium; Simazine; Styrene; Tetrachloroethylene (perchloroethylene); Thallium; Toluene; Toxaphene; trans-1,2-Dichloroethylene; Trichloroethylene; Vinyl chloride; Xylenes (total)

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City of The Dalles
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City of The Dalles Municipal Water Company and EPACity of The Dalles Municipal Water Report Info
The City of The Dalles, Oregon, is nestled in north-central Oregon along the Columbia River, the country's second-largest waterway. As the largest community and county seat of Wasco County, The Dalles holds significant historical importance as the terminal point of the Oregon Trail. Archaeological evidence suggests continuous human habitation in this area for over 10,000 years.
First incorporated as "Dalles City" by the Oregon Territorial Government in 1857, it soon became the county seat. With its strategic location on the Columbia River and bordered by the Cascade Mountains to the west, The Dalles offers ideal conditions for distribution and manufacturing, with riverside locations and international shipping options available.
The city has historically served as an economic hub for the Pacific Northwest, connecting major transportation routes between Eastern and Southern Oregon and Washington State. Residents enjoy the tranquility of rural living while maintaining convenient access to Portland's metropolitan amenities just 80 miles west. The City operates under a council-manager government system established by the 1899 City Charter (revised 1998), with a council comprising an elected mayor and five committee members.
With a current population of 14,625, The Dalles serves a trading area of approximately 70,000 people across Washington and Oregon. The local economy centers on agriculture, tourism, healthcare, government services, and retail. Sweet cherries are the city's primary agricultural product, with over 6,000 acres of cherry orchards supplying both domestic and international markets. Wheat cultivation spans 50,000 acres around The Dalles, while cattle, hay, and other fruits contribute to agricultural diversity.
The Dalles offers year-round recreational opportunities. Water enthusiasts enjoy boating, fishing, and world-class windsurfing on the Columbia River. To the east, visitors find excellent camping, fishing, climbing, and sightseeing opportunities, while to the west, Mt. Hood provides outstanding skiing and numerous mountain resorts.
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City of The Dalles provides municipal water services to the public of The Dalles and The Dalles, Oregon.
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