Graduate watershed seminar discusses water quality regulations — @ColoradoStateU

The Poudre River is one of the sources of water used in the city of Fort Collins (Jack Starkebaum | Collegian)

From The Rocky Mountain Collegian (Julia Trowbridge):

Watershed science majors listened to and discussed water quality control and clean water regulations for an interdisciplinary water resources seminar class Monday evening.

Patrick J. Pfalzgraff, the director of the Water Quality Control Division of the Local Public Health and Environment Resources Department, spoke to watershed sciences majors for a GRAD 592 interdisciplinary water resources seminar class, which are open to the public. Pfalzgraff works with regulations of water quality control in terms of clean water and drinking water.

According to the syllabus, the purpose of this course is “to prepare students in water resources by increasing their understanding of how water is actually managed in Colorado.” The seminar class brings in professionals in the water resources industry to speak about their work in the field.

The Water Quality Control Division issues regulations on water treatment, pollution control, and does some water tests, with regulation standards finalized by state politicians.

“Almost all of the decisions we make are based on some form of data, whether that is science data or weather data, we pull the data from these sources to determine the stream or lake health,” Pfalzgraff said.

The division also aides smaller communities with meeting water regulation standards by providing funds or services if the communities do not have access to them.

“A lot of small towns don’t have a lot of revenue because they don’t have a big population or industry, and they may or may not have the resources or revenue in order to do necessary upgrades,” Pfalzgraff said. “That’s where we can step in and get them back on their feet.”

Patrick J Pfalzgraff, the Director of the Water Quality Control Division of the Local Public Health and Environment Resources Department (Julia Trowbridge | Collegian)

Clean water, like the water in the Poudre River, have to pass regulations regarding pollution levels. A common pollution level issue is the concentrations of nitrogen and phosphorous in water levels, which can either come from human pollution or agricultural pollution.

High concentrations of these elements in water, called nutrient loadings, can make the crops have excessive amounts of these elements, and the crops might not pass regulation standards for consumption.

“We try to maintain that environmental balance with how pollutants are discharged throughout the state,” Pfalzgraff said.

Clean water and clean drinking water are completely different standards. Drinking water is regulated through chemically treating clean water to insure that the water is safe and clean to distribute out to the public to prevent things like waterborne diseases being distributed in the drinking water.

“In Puerto Rico, there are waterborne diseases,” Pfalzgraff said. “That’s not an issue in Colorado. We haven’t had a wate borne disease in the last five years.”

The study of watershed sciences and the design of water flow is especially important in Colorado. According to Pfalzgraff, the population of Colorado is predicted to double by 2050, which creates a strong need in water quality regulation and the delegation of water resources.

“There are a lot of uses on what are already stressed resources,” Pfalzgraff said.

Stressed resources has been brought up by groups like Save the Poudre, who advocate that diversion plans made by the Northern Integrated Supply Project would drain even more water from the already depleted river. The river also has to pass a minimum water flow, which could cause problems with these diversion plans.

Regardless, the growing population of Colorado needs to access water, whether it is by the proposed plan or another alternative.

Cache la Poudre River from South Trail via Wikimedia Foundation.

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