Benthic macroinvertebrate bioassessment of the upper Pecos River, New Mexico, USA

Jacobi, Gerald Z.; Jacobi, M. Donna

doi:10.1080/03680770.2005.11902840

Cited by 1 publication

(7 citation statements)

References 2 publications

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“…The sampling location on Glorieta Creek directly downstream from the GWWTP had substantially higher ammonia as nitrogen concentrations than any of the other locations, likely due to municipal effluent. This sampling location, along with the downstream sampling location on Glorieta Creek, had substantially higher concentrations of nitrate plus nitrite as nitrogen than the other locations; the other sampling locations either had low or no detections of nitrate plus nitrite as nitrogen (Jacobi and Jacobi, 1998).…”

Section: Previous Studiesmentioning

confidence: 78%

“…PECO staff witnessed the water in the Pecos River flowing with a gray color and noted black ash deposits on the banks of the river in July 2022 (E. Lassance, National Park Service, oral commun., 2022). (Jacobi and Jacobi, 1998;Porter and Longley, 2009) and sampling sites used to study the influence of wastewater treatment plants on the Pecos River and Glorieta Creek, February-October 2022.…”

Section: Hydrologic Settingmentioning

confidence: 99%

“…An additional study was conducted between March 1995 and March 1997 to assess the existing water quality, identify sources of water quality degradation, and establish a baseline and cost-effective protocol for continuing water quality monitoring. These results were summarized and described in "Water Quality Assessment of the Pecos River and Glorieta Creek, Pecos National Historic Park, New Mexico (March 1995 to March 1997)" (Jacobi and Jacobi, 1998).…”

Section: Previous Studiesmentioning

confidence: 99%

“…Jacobi and Jacobi reported that the quality of the water in the Pecos River would be categorized as able to support a highquality cold-water fishery, according to New Mexico Surface Water Quality Standards. However, Glorieta Creek does not meet that standard because contaminants, low oxygen, and turbidity prevent the creek from supporting high-quality coldwater macroinvertebrates that are a vital food source for fish (Jacobi and Jacobi, 1998).…”

Section: Previous Studiesmentioning

confidence: 99%

“…In their 1995-97 report, sites G2a, G4, P3, and P4 are each located near the USGS sites used during this study: G1, G2, P1, and P2, respectively (table 3; fig. 2) (Jacobi and Jacobi, 1998).…”

Section: Previous Studiesmentioning

confidence: 99%

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Assessing influence from wastewater treatment facilities on Glorieta Creek and the Pecos River within Pecos National Historical Park, New Mexico, February–October 2022

Wilkins,

Beisner,

Travis

2024

Open-File Report

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The Pecos National Historical Park protects 2.9 miles of the Pecos River and part of Glorieta Creek within the park boundaries. Updated water-quality data can assist resource managers in determining if effluent from two nearby wastewater treatment plants (WWTPs) is affecting the quality of the water in the Pecos River and Glorieta Creek within the park. Water samples were collected four times in 2022 at two WWTP outfalls, two locations on Glorieta Creek, and two locations on the Pecos River. Water quality parameters (dissolved oxygen, water temperature, pH, turbidity, specific conductance) were measured in the field, and samples were collected and analyzed for major ions, trace elements, rare earth elements, nutrients, bacteria, and per-and polyfluoroalkyl substances (PFAS).Specific conductance values in all samples collected from Glorieta Creek exceeded the New Mexico Surface Water Quality Standard (NMWQS) of 300 microsiemens per centimeter at 25 degrees Celsius. Concentrations of dissolved oxygen in three samples collected from Glorieta Creek and one sample for the Pecos WWTP did not meet the standard for high-quality cold-water use. Concentrations of Escherichia coli in samples from the Pecos WWTP exceeded the NMWQS of 235 colony-forming units per 100 milliliters during every sampling event. Concentrations of E. coli in samples collected from two sites on Glorieta Creek in August exceeded the NMWQS.The chemical signature of water from Glorieta Creek indicated groundwater and (or) septic system contributions. Water samples collected from the Pecos River all had similar chemical signatures of calcium-bicarbonate type. Although concentrations of several trace elements were higher in samples from Glorieta Creek than in samples from the Pecos River, no concentrations exceeded the drinking-water standards. No concentrations exceeded aquatic life standards except for copper concentrations in two samples from the downstream location on Glorieta Creek. The trace element signature and the gadolinium anomalies in the WWTP samples indicate anthropogenic contributions.Eleven of the 28 PFAS compounds analyzed were detected in samples during this study, with the treated wastewater effluent samples having the highest total PFAS concentrations. The total PFAS concentrations in samples from Glorieta Creek decreased by an order of magnitude as the creek flowed downstream. At the downstream site on the Pecos River, there was only one sample that had a detection of PFAS.

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Section: Previous Studiesmentioning

confidence: 78%

Section: Hydrologic Settingmentioning

confidence: 99%

Section: Previous Studiesmentioning

confidence: 99%

Section: Previous Studiesmentioning

confidence: 99%

Section: Previous Studiesmentioning

confidence: 99%

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