Water Quality Report · Updated May 12, 2026
ROSWELL MUNICIPAL WATER SYSTEM
ROSWELL MUNICIPAL WATER SYSTEM delivers tap water graded C (68/100) by TapWaterSafety.org. The utility serves approximately 54,025 residents in ROSWELL, New Mexico using groundwater. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Dibromoacetic acid significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 575-624-6730.
Is ROSWELL tap water safe to drink?
ROSWELL MUNICIPAL WATER SYSTEM delivers tap water that earns a grade of C (68/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.
The utility serves 54,025 residents in ROSWELL, drawing from groundwater.
Public testing data identifies 12 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Dibromoacetic acid, Total trihalomethanes (TTHMs), Nitrate and nitrite, Chromium (hexavalent), Dibromochloromethane, Haloacetic acids (HAA5), Radium, combined (-226 and -228), Bromodichloromethane, Bromoform, Uranium, Tetrachloroethylene (perchloroethylene). For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
Quick actions for ROSWELL residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for ROSWELL MUNICIPAL WATER SYSTEM.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 1.71 ppb, 28x above the EWG health guideline of 0.06 ppb.
Dibromoacetic acid significantly above health guideline
Moderate concernDibromoacetic acid detected at 0.763 ppb, 25x above the EWG health guideline of 0.03 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 3.03 ppb, 20x above the EWG health guideline of 0.15 ppb.
Contact ROSWELL MUNICIPAL WATER SYSTEM
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for ROSWELL
Filters matched to the specific contaminants in this water supply.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 68/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). 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 |
1.71 ppb | 0.06 | — | — | — | — | — | 28× over |
| Dibromoacetic acid Disinfection byproduct |
0.763 ppb | 0.03 | — | — | — | — | — | 25× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
3.03 ppb | 0.15 | 80.0 | 100 | — | — | — | 20× over |
| Nitrate and nitrite Inorganic |
2.24 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 16× over |
| Chromium (hexavalent) Heavy metal |
0.288 ppb | 0.02 | — | — | — | — | — | 14× over |
| Dibromochloromethane Disinfection byproduct |
1.16 ppb | 0.1 | — | — | — | — | — | 12× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
1.1 ppb | 0.1 | 60.0 | 60 | — | — | — | 11× over |
| Radium, combined (-226 and -228) Radiological |
0.43 pCi/L | 0.05 | 5.0 | — | — | — | — | 8.6× over |
| Bromodichloromethane Disinfection byproduct |
0.425 ppb | 0.06 | — | — | — | — | — | 7.1× over |
| Bromoform Disinfection byproduct |
1.4 ppb | 0.5 | — | — | — | — | — | 2.8× over |
| Uranium Radiological |
1.06 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 2.5× over |
| Tetrachloroethylene (perchloroethylene) Volatile organic compound |
0.109 ppb | 0.06 | 5.0 | — | — | — | — | 1.8× over |
| Trichloroethylene Volatile organic compound |
0.37 ppb | 0.4 | 5.0 | 10 | 20 | 1.7 | — | Below guideline |
| Dichloroacetic acid Disinfection byproduct |
0.0756 ppb | 0.2 | — | — | — | — | — | Below guideline |
| Vanadium Other |
4.36 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Chloroform Disinfection byproduct |
0.0489 ppb | 0.4 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
1.37 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
20.3 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
0.943 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.128 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.177 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
2.09 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Xylenes (total) Volatile organic compound |
0.0657 ppb | 1800.0 | 10000.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.722 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Germanium Other |
0.148 ppb | — | — | — | — | — | — | Below guideline |
| Lithium Other |
13.1 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
ROSWELL MUNICIPAL WATER SYSTEM service area
This water system serves 1 community in Chaves County, New Mexico. Click any city for its dedicated tap water quality page.
Find the right filter for ROSWELL water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.