Aspen Springs MD

What EPA’s and Colorado’s records show in this utility’s water: nitrate, arsenic and other regulated chemicals, plus violations since 2016, with the certification that handles each result.

Serves: 290 people
Connections: 1
Water source: Groundwater
Based in: Pagosa Springs, CO
County: Archuleta
Owner: Private

The ZIP code it serves

81147

The short answer

Nothing in EPA’s and Colorado’s records for this utility is above a health goal. That covers nitrate, arsenic and other regulated chemicals, not everything. No health-based violations on file since 2016.

What was found

Fluoride, nitrate, arsenic, chromium (total) and uranium: Colorado’s own results, samples taken from Aug. 5, 2020 to Sept. 8, 2025, with EPA’s 2012 to 2019 file for earlier years.

Below EPA’s limits2

Fluoride

Forms or is added in treatment

Below EPA’s limits

2.4ppm

Highest yearly average, 2021 to 2025

2025, one sample: 2.3 ppm

Averaged by year, the highest was 2.4 ppm, in 2021, below EPA’s legal limit of 4.0 ppm. Its highest single sample was 2.4 ppm. In 2025, the latest year on file, its one sample was 2.3 ppm. Earlier, from 2012 to 2019, EPA’s file shows a highest yearly average of 2.5 ppm, in 2014.

What handles it

NSF/ANSI 58 look for “Fluoride Reduction”
NSF/ANSI 53 look for “Fluoride”

Nitrate

Comes from the source

Below EPA’s limits

0.022ppm

Highest sample; found in 1 of 8

2025: not found

The highest sample, in 2020, was 0.022 ppm, below EPA’s legal limit of 10 ppm. In 2025, the latest year on file, it wasn’t found in its one sample. Earlier, from 2012 to 2019, EPA’s file shows a highest sample of 0.069 ppm, in 2014.

What handles it

NSF/ANSI 58 look for “Nitrate/Nitrite Reduction”
NSF/ANSI 53 look for “Nitrate/Nitrite (30 ppm challenge)”

3 compounds tested and not foundBelow the reporting level in every sample. Not found is not the same as zero.

Arsenic
Chromium (total)
Uranium

Violations since 2016

No health-based violations on file with EPA since 2016. There are 4 monitoring or reporting violations: a sample missed, late or not reported.

What this report can’t tell you

Everything else. Fluoride, nitrate, arsenic, chromium (total) and uranium results here are Colorado’s own from 2020 on, with EPA’s national file for 2012 to 2019. Aspen Springs MD’s own annual report, which it must send you every year, has the contaminants this page does not show.
Your own plumbing. Lead results are the 90th percentile across homes the utility samples. Your home’s service line, solder and fixtures decide yours. A certified lab test is the only way to know.
What it means for your health. This page reports what the records show and EPA’s limits and goals; it is not medical advice. If you are worried about a health effect, talk to a doctor or your local health department.
Anything after the latest data. SDWIS data is from 2026 Q3; UCMR 5 didn’t sample this utility; Colorado’s results run from Aug. 5, 2020 to Sept. 8, 2025.

Testing your own tap

Aspen Springs MD’s results are for the water it sends out. What your own service line, solder and fixtures add shows up only in a test of your tap, by a lab Colorado certifies.

The 2 labs Colorado certifies closest to the area Aspen Springs MD serves, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

La Plata County Water Quality Laboratory
Durango, CO · about 46 miles
Certified for bacteria
Sangre De Cristo Laboratory
Alamosa, CO · about 70 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics