Drinking water quality · 2023
· Verified
What's in Pueblo, CO tap water
15 contaminants were measured in the Pueblo, CO water system's 2023 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 15
- Over federal limit
- 2
- Approaching the limit
- 0
- Worst contaminant
- Chloramine
- Service area
- CO
Where your water comes from · EPA SDWIS
Pueblo, CO buys its drinking water from PUEBLO BOARD OF WW.
Source
Treatment
Distribution
Also buys water from PUEBLO BOARD OF WW.
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 2023Reported levelTime Period | 4MRDL | At or above the limit |
+By source (2)— Time Period, Number of Samples Below Level
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 1.16AverageSystem-wide | 1Treatment technique | At or above the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 1.45 pCi/LAverageSystem-wide | 5 pCi/LMCL | Within the limit |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 2.95 pCi/LAverageSystem-wide | 15 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2.19 ug/LAverageSystem-wide | 30 ug/LMCL | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 11.97 ug/LAverageSystem-wide | 60 ug/LMCL | Within the limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 8.4 ug/LAverageSystem-wide | 80 ug/LMCL | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.69 mg/LAverageSystem-wide | 4 mg/LMCL | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.11 mg/LAverageSystem-wide | 10 mg/LMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 2.3 ug/L90th percentileAt the tap | 15 ug/LAction level | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.16 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| SeleniumA trace element from natural deposits and industrial discharge. | 3.14 ug/LAverageSystem-wide | 50 ug/LMCL | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.04 mg/LAverageSystem-wide | 2 mg/LMCL | Within the limit |
| SodiumA naturally occurring salt component. | 12 mg/LAverageSystem-wide | None set | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 1Reported levelSystem-wide | None set | Detected — no federal limit |
People also ask about Pueblo, CO's water
+Is Pueblo, CO tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the Pueblo, CO water utility lists 2 contaminants at or above the federal limit: Chloramine and TOC. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Pueblo, CO tap water?
15 contaminants were measured in Pueblo, CO's 2023 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 13 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Pueblo, CO tap water?
2 contaminants in Pueblo, CO's 2023 report sit at or above the federal limit: Chloramine (505.8× the limit); TOC (1.2× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Pueblo, CO tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Chloramine, at 505.8× the federal threshold. It belongs to the disinfectants family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Pueblo, CO's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Pueblo, CO's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.