Tap Water Quality Report
Tap water quality in PUEBLO, Colorado
Tap water in PUEBLO, Colorado receives a grade of B (87/100) from TapWaterSafety.org. It's served by PUEBLO BOARD OF WW. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Radium, combined (-226 and -228) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in PUEBLO's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving PUEBLO.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 16.1 ppb, 268x above the EWG health guideline of 0.06 ppb.
Radium, combined (-226 and -228) significantly above health guideline
Moderate concernRadium, combined (-226 and -228) detected at 1.45 pCi/L, 29x above the EWG health guideline of 0.05 pCi/L.
EPA compliance record
Official U.S. EPA records for PUEBLO BOARD OF WW (system ID CO0151500) for the last 3 years. Checked 2026-10-07.
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for PUEBLO
Filters matched to the specific contaminants in PUEBLO's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Reverse osmosis certified for radium (NSF/ANSI 58)
$429-$750RO certified for radium 226/228 reduces it; ion-exchange water softeners also reduce radium.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in PUEBLO's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
16.1 ppb | 0.06 | — | — | — | — | — | 268× over |
| Radium, combined (-226 and -228) Radiological |
1.45 pCi/L | 0.05 | 5.0 | — | — | — | — | 29× over |
| Uranium Radiological |
1.47 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 3.4× over |
| Chromium (hexavalent) Heavy metal |
0.035 ppb | 0.02 | — | — | — | — | — | 1.8× over |
| Nitrate Inorganic |
0.13 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Nitrate and nitrite Inorganic |
0.13 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Selenium Heavy metal |
4.15 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Molybdenum Other |
5.24 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
46.9 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Vanadium Other |
0.713 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
2.01 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.486 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.71 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
9.6 ppb | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from PUEBLO BOARD OF WW.