Tap Water Quality Report
Tap water quality in NORTH PROVIDENCE, Rhode Island
Tap water in NORTH PROVIDENCE, Rhode Island receives a grade of D (65/100) from TapWaterSafety.org. It's served by PROVIDENCE-CITY OF. The most significant water quality concerns are: Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in NORTH PROVIDENCE's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving NORTH PROVIDENCE.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 55.2 ppb, 368x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 19.5 ppb, 324x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 18.4 ppb, 184x above the EWG health guideline of 0.1 ppb.
Recommended filters for NORTH PROVIDENCE
Filters matched to the specific contaminants in NORTH PROVIDENCE's 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.
All contaminants detected in NORTH PROVIDENCE'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 |
|---|---|---|---|---|---|---|---|---|
| Total trihalomethanes (TTHMs) Disinfection byproduct |
55.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 368× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
19.5 ppb | 0.06 | — | — | — | — | — | 324× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
18.4 ppb | 0.1 | 60.0 | 60 | — | — | — | 184× over |
| Chloroform Disinfection byproduct |
49.3 ppb | 0.4 | — | — | — | — | — | 123× over |
| Dichloroacetic acid Disinfection byproduct |
15.0 ppb | 0.2 | — | — | — | — | — | 75× over |
| Bromodichloromethane Disinfection byproduct |
4.09 ppb | 0.06 | — | — | — | — | — | 68× over |
| Trichloroacetic acid Disinfection byproduct |
1.63 ppb | 0.1 | — | — | — | — | — | 16× over |
| Dibromochloromethane Disinfection byproduct |
0.745 ppb | 0.1 | — | — | — | — | — | 7.4× over |
| Chromium (hexavalent) Heavy metal |
0.00388 ppb | 0.02 | — | — | — | — | — | Below guideline |
| Nitrate Inorganic |
0.02 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
1.72 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
8.67 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Vanadium Other |
0.227 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.795 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.0273 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| 4-Androstene-3,17-dione Other |
0.13 ppt | — | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.349 ppm | — | 4.0 | 1.5 | 1.5 | — | — | 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 PROVIDENCE-CITY OF.