{"id":8765,"date":"2023-03-03T15:04:00","date_gmt":"2023-03-03T15:04:00","guid":{"rendered":"https:\/\/isco-pipe.com\/field-reports\/saws-diversifies-water-sources-with-hdpe-pipeline-from-carrizo-aquifer\/"},"modified":"2025-05-15T14:54:11","modified_gmt":"2025-05-15T14:54:11","slug":"saws-diversifies-water-sources-with-hdpe-pipeline-from-carrizo-aquifer","status":"publish","type":"field-reports","link":"https:\/\/isco-pipe.com\/en-ca\/field-reports\/saws-diversifies-water-sources-with-hdpe-pipeline-from-carrizo-aquifer\/","title":{"rendered":"SAWS Diversifies Water Sources with HDPE Pipeline from Carrizo Aquifer"},"content":{"rendered":"\n
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San Antonio currently obtains more than 90 percent of its water from the Edwards Aquifer. This project diversifies its water sources. San Antonio Water Systems (SAWS) is tapping into the Carrizo Aquifer, located approximately 50 miles from San Antonio in Gonzales County. SAWS is using more than 122,000 feet of HDPE to bring the water from the aquifer to an integration point where the water will enter the SAWS distribution system. There are 10 wells drilled 1,500-2,000 feet deep into the Carrizo Aquifer. The water and soils are highly corrosive and have an average temperature of 98 degrees F. <\/p>\n\n

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Project Overview<\/h2>\n<\/div><\/div>\n\n

With the increased population comes the need for an increased water supply. There is no shortage in water in the state of Texas; it\u2019s just not in the right places. SAWS needed to tap into the Carrizo Aquifer approximately 50 miles away and bring that water to them. ISCO Industries helped them solve this problem. <\/p>\n\n

The remote location of the project in relation to the rest of the SAWS infrastructure dictated the use of a low-maintenance material, hence HDPE and stainless steel materials were chosen. SAWS liked the ability to field bend the pipe, saving money not having to purchase elbows. The durability of HDPE allowed it to curve and maneuver around trees and obstructions, causing minimal environmental disturbance. Also, the ability to fuse pipe above ground in long lengths ahead of the installation crew allowed for lower overall cost and less work in the ditch, therefore making it safer. <\/p>\n\n

Quality control was a huge concern for SAWS. ISCO was able to provide highly trained and qualified field fusion technicians to fuse pipe on site. ISCO provided all the proper material certifications from the pipe manufacturer, including the traceability of resin, McElroy DataLogger\u2122 use and in-field tensile testing. This was a huge issue for SAWS and would have been very costly with coated steel pipe. HDPE proved to be a leak free, corrosion-free pipe material, with no cathodic protection required, leading to lower maintenance costs. SAWS especially liked the environmentally friendly nature of HDPE in general. <\/p>\n\n

Conclusion<\/h2>\n\n

Initially this project was specified for steel pipe and ductile iron. Working diligently, ISCO Industries offered an alternate solution to SAWS to use HDPE for this project. ISCO provided a detailed analysis showing that HDPE is more cost effective, mostly due to the 50- to 100-year lifespan. Also, due to the corrosive nature of the groundwater, HDPE was determined to be a better choice. Once completed, this project is estimated to provide water to 60,000 households. <\/p>\n\n

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Project Facts<\/h2>\n\n\n\n

The Regional Carrizo Project will assist in diversifying San Antonio\u2019s water supply, reducing dependence on existing Edwards Aquifer supplies.The project will provide water to help meet San Antonio\u2019s short- and mid-term water needs.Up to 13 million gallons per day (mgd) of water produced from this well field will be transported by pipeline to an integration point in northeast San Antonio where it will enter the SAWS distribution system.ISCO provided approximately 328 truckloads of HDPE pipe, totaling more than 11 million pounds. The total length was 122,149 feet in various sizes. ISCO provided various McElroy machines, including 1648s, 1236s, Poly Horses and DataLoggers \u2122. <\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

San Antonio Water Systems (SAWS) is tapping into the Carrizo Aquifer to diversify its water sources. ISCO helped solve the challenge of bringing water to the city with over 122,000 feet of HDPE pipeline. The project used field bendable and durable HDPE, saving costs, reducing environmental disturbance, and providing a 50- to 100-year lifespan. HDPE proved to be leak-free and corrosion-free, with no cathodic protection required, leading to lower maintenance costs. <\/p>\n","protected":false},"featured_media":8766,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[],"tags":[],"application":[161],"topic":[169],"class_list":["post-8765","field-reports","type-field-reports","status-publish","has-post-thumbnail","hentry","application-water-en-ca","topic-environmental-en-ca"],"acf":[],"yoast_head":"\nSAWS Diversifies Water Sources with HDPE Pipeline | ISCO<\/title>\n<meta name=\"description\" content=\"San Antonio Water Systems (SAWS) is tapping into the Carrizo Aquifer to diversify its water sources.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/isco-pipe.com\/\" \/>\n<meta property=\"og:locale\" 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