Drinking water quality · 1994
· Verified
What's in St John City of, ND tap water
1 contaminants were measured in the St John City of, ND water system's 1994 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 1994
- Contaminants measured
- 1
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Lead
- Service area
- ND
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.
- Maximum contaminant level exceededHealth-based3 violations on record · most recent Jul 2010resolved
- Other2 violations on record · most recent Oct 20122 open
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0197 mg/L90th percentileAt the tap | 0.015 mg/LAction level | At or above the limit |
People also ask about St John City of, ND's water
+Is St John City of, ND tap water safe to drink in 1994?
The 1994 Consumer Confidence Report for the St John City of, ND water utility lists 1 contaminant at or above the federal limit: Lead. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in St John City of, ND tap water?
1 contaminants were measured in St John City of, ND's 1994 Consumer Confidence Report, spanning metals. 1 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in St John City of, ND tap water?
One contaminant in St John City of, ND's 1994 report sits at or above the federal limit: Lead (1.3× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in St John City of, ND tap water?
The contaminant with the highest measured value relative to its federal limit in the 1994 report is Lead, at 1.3× the federal threshold. It belongs to the metals family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from St John City of, ND's 1994 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 St John City of, ND'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 1994 report; a new report will replace it once the utility publishes its next annual update.