Drinking water quality · 2025
What's in Lowell, MA tap water
13 contaminants were measured in the Lowell, MA water system's 2025 annual report. Each is shown below against its federal limit.
- Reporting year
- 2025
- Contaminants measured
- 13
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- MA
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorite | 0.43 mg/LReported levelSystem-wide | 1 mg/LMCL | Within the limit |
| BromodichloromethaneA trihalomethane disinfection byproduct. | 3.47 ug/LReported levelSystem-wide | None set | Detected — no federal limit |
| ChloroformA trihalomethane formed when chlorine reacts with organic matter in water. | 15.35 ug/LReported levelSystem-wide | None set | Detected — no federal limit |
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 0.18 ug/LRangeSystem-wide | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.86 mg/LReported levelSystem-wide | None set | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.43 mg/LReported levelSystem-wide | 10 mg/LMCL | Within the limit |
| SulfateA naturally occurring mineral from rock and soil. | 9.18 mg/LReported levelSystem-wide | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.19 NTUReported levelSystem-wide | 1 NTUMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.0168 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0 ug/L90th percentileAt the tap | None set | None detected |
| SodiumA naturally occurring salt component. | 51.1Reported levelSystem-wide | None set | Detected — no federal limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| MTBE | Not detected ug/LReported levelSystem-wide | None set | None detected |
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFAS | 12.5 ng/LReported levelSystem-wide | None set | Detected — no federal limit |
People also ask about Lowell, MA's water
+Is Lowell, MA tap water safe to drink in 2025?
Every one of the 13 contaminants measured in Lowell, MA's 2025 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Lowell, MA tap water?
13 contaminants were measured in Lowell, MA's 2025 Consumer Confidence Report, spanning disinfection byproducts, inorganic chemicals, and metals. 4 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Lowell, MA's 2025 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 Lowell, MA'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 2025 report; a new report will replace it once the utility publishes its next annual update.