{"id":18307,"date":"2018-09-27T15:32:09","date_gmt":"2018-09-27T19:32:09","guid":{"rendered":"http:\/\/blogs.edf.org\/energyexchange\/?p=18307"},"modified":"2018-10-02T11:51:05","modified_gmt":"2018-10-02T15:51:05","slug":"why-new-mexico-shouldnt-rush-toward-repurposing-oilfield-wastewater","status":"publish","type":"post","link":"https:\/\/blogs.edf.org\/energyexchange\/2018\/09\/27\/why-new-mexico-shouldnt-rush-toward-repurposing-oilfield-wastewater\/","title":{"rendered":"Why New Mexico shouldn\u2019t rush toward repurposing oilfield wastewater"},"content":{"rendered":"

\"\"<\/a>The Environmental Protection Agency (EPA) and the state of New Mexico recently announced an agreement<\/a> to create a working group to explore the regulatory landscape regarding potential new options for managing oil and gas wastewater.<\/p>\n

In 2017, New Mexico\u2019s oil and gas operators produced nearly 38 billion gallons of wastewater \u2013 also known as \u201cproduced water.\u201d In drought-prone New Mexico, the prospect of critical water shortages is very real and it may be tempting to repurpose this water for other uses.\u00a0 However, produced water can contain hundreds of potentially toxic chemicals, making the management of this waste stream extremely challenging.<\/p>\n

This new working group should proceed with caution so their examination doesn’t lead to new problems.<\/p>\n

<\/p>\n

Weighing the Risks<\/strong><\/p>\n

Currently, almost all of the produced water from the fast-developing Permian Basin is disposed of in underground injection wells, but the working group aims to develop a white paper on how regulations could instead be used to support recycling wastewater in other oil and gas wells or reintroducing it to the state\u2019s water cycle.<\/p>\n

Recycling this water in other oil and gas wells is a good way to lessen the industry\u2019s demand for scarce fresh water supplies, provided that pollution from spills is prevented. But recycling alone cannot absorb all of the produced water \u2013 the volumes produced are simply too large.<\/p>\n

Releasing treated produced water into streams is a possible option. The legal mechanisms to permit such discharges exist, a small portion of produced water in the US is already treated for discharge, and (for a price) advanced treatment methods are available that can get the water much cleaner than would otherwise be the case. But EPA and New Mexico should be careful \u2013 discharge into waterways should only be allowed if treatment is robust, the stream segment is appropriate, and there are strict discharge standards. As things stand, water treatment costs are significant and the science on produced water leaves much to be desired for those who want to know how clean the treated water must be to avoid harming human health or the environment.<\/p>\n

The questions are even more challenging for potential uses such as using produced water to grow crops.<\/p>\n

It\u2019ll take more than a white paper<\/strong><\/p>\n

Making smart decisions about whether produced water can be \u201csafe water\u201d for communities will take much more than a single white paper that examines the regulatory landscape.<\/p>\n

For starters, policymakers lack adequate data<\/a> on the toxicity of chemicals present in produced water. And water quality standards or even approved ways of detecting harmful chemicals do not exist<\/em> for most of the chemicals we know are a concern in produced water.<\/p>\n

Additionally, current drinking water standards and irrigation standards were not designed with the chemistry of this water in mind and are of limited use<\/a> for determining the safety of treated oilfield wastewater in the environment.<\/p>\n

A white paper may be a good first step, but step two requires solid research.<\/p>\n

Look to the lessons of others, and take the need for disposal wells seriously<\/strong><\/p>\n

New Mexico is not the first state to pose the question of reusing produced water. Others, including the State of Oklahoma and the Ground Water Protection Council<\/a>, have realized that because of current treatment costs and gaps in scientific knowledge, it generally makes sense to maximize recycling of produced water within the oilfield before expanding disposition outside the oilfield.<\/p>\n

New Mexico will be making a mistake if it puts too much reliance on introducing produced water to the state\u2019s water cycle while important research questions are still being answered. Although recycling and discharges into surface water are likely to increase, the use of disposal wells for produced water will continue to be the oil and gas industry\u2019s go-to solution for the foreseeable future. At the same time the state investigates alternatives to disposal wells, it\u2019s important to accommodate an increase in these wells and ensure that they are properly located, designed, built, and operated.<\/p>\n

EDF looks forward to the opportunity to engage in this process once the working group documents are made public.<\/p>\nWhy New Mexico shouldn\u2019t rush toward repurposing oilfield wastewater <\/a><\/span>Share on X<\/a><\/span>\n","protected":false},"excerpt":{"rendered":"

The Environmental Protection Agency (EPA) and the state of New Mexico recently announced an agreement to create a working group to explore the regulatory landscape regarding potential new options for managing oil and gas wastewater. In 2017, New Mexico\u2019s oil and gas operators produced nearly 38 billion gallons of wastewater \u2013 also known as \u201cproduced …<\/p>\n","protected":false},"author":167,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[693,105758],"tags":[100168],"coauthors":[],"class_list":["post-18307","post","type-post","status-publish","format-standard","hentry","category-natural-gas","category-produced-water-natural-gas","tag-produced-water"],"acf":[],"yoast_head":"\nWhy New Mexico shouldn\u2019t rush toward repurposing oilfield wastewater - Energy Exchange<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.edf.org\/energyexchange\/2018\/09\/27\/why-new-mexico-shouldnt-rush-toward-repurposing-oilfield-wastewater\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why New Mexico shouldn\u2019t rush toward repurposing oilfield wastewater - Energy Exchange\" \/>\n<meta property=\"og:description\" content=\"The Environmental Protection Agency (EPA) and the state of New Mexico recently announced an agreement to create a working group to explore the regulatory landscape regarding potential new options for managing oil and gas wastewater. 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