Drinking water quality · 2024
What's in Granite Mhp, MD tap water
9 contaminants were measured in the Granite Mhp, MD water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 9
- Over federal limit
- 0
- Approaching the limit
- 1
- Service area
- MD
Where your water comes from · EPA SDWIS
Granite Mhp, MD's drinking water comes from ground water, drawn from 2 sources.
Source
- WELL 1 BA810968
- LITTLE SPRING
Treatment
- SPRING 1
- WELL - SECTION B AND C
Distribution
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 4–4 pCi/LReported levelSystem-wide | 0 pCi/LMCLG | Approaching the limit |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 4.7–4.7 pCi/LReported levelSystem-wide | 0 pCi/LMCLG | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 5.9–5.9 pCi/LReported levelSystem-wide | 0 pCi/LMCLG | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 5 mg/LReported levelSystem-wide | 10 mg/LMCLG | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.25 ug/LReported levelSystem-wide | 4 ug/LMCLG | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 1.3 mg/LReported levelSystem-wide | 4 mg/LMCLG | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0044 mg/L90th percentileAt the tap | 0.015 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.16 mg/LReported levelSystem-wide | 2 mg/LMCLG | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.097 mg/L90th percentileAt the tap | 1.3 mg/LMCLG | Within the limit |
People also ask about Granite Mhp, MD's water
+Is Granite Mhp, MD tap water safe to drink in 2024?
Every one of the 9 contaminants measured in Granite Mhp, MD's 2024 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 Granite Mhp, MD tap water?
9 contaminants were measured in Granite Mhp, MD's 2024 Consumer Confidence Report, spanning metals, radionuclides, and inorganic chemicals. 9 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Are any contaminants in Granite Mhp, MD tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Combined Radium. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Granite Mhp, MD's 2024 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 Granite Mhp, MD'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 2024 report; a new report will replace it once the utility publishes its next annual update.