Drinking water quality · 2024
· Verified
What's in York County, VA tap water
42 contaminants were measured in the York County, VA water system's 2024 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 42
- Over federal limit
- 1
- Approaching the limit
- 1
- Worst contaminant
- Chlorine
- Service area
- VA
Where your water comes from · EPA SDWIS
York County, VA buys its drinking water from DUFFIELD_SCOTT CO PSA.
Source
Treatment
Distribution
Also buys water from DUFFIELD_SCOTT CO PSA.
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-based4 violations on record · most recent Jan 2017resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0–5.4 mg/LRangeRange of Individual Test Results Low | 4 mg/LMCLG | At or above the limit |
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 3.3 ng/LMaximumSystem-wide | 4 ng/LMCL | Approaching the limit |
| PFBAPerfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.' | 3.8 ng/LMaximumSystem-wide | None set | Detected — no federal limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 5–32 ug/LRangeRange of Individual Test Results Low | None set | Within the limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 40 ug/LHighest single sampleMax Conc | None set | Within the limit |
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | Not detected ug/LMaximumMax Conc | 0 ug/LMCLG | None detected |
| BromoformA trihalomethane disinfection byproduct. | Not detected ug/LAverageSystem-wide | None set | None detected |
| ChloroformA trihalomethane formed when chlorine reacts with organic matter in water. | 3 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| DibromochloromethaneA trihalomethane disinfection byproduct. | Not detected ug/LAverageSystem-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. | 0.73–0.77 mg/LRangeRange of Individual Test Results Low | 4 mg/LMCLG | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.065 mg/LMaximumMax Conc | 10 mg/LMCLG | Within the limit |
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | 0.003 mg/LMaximumMax Conc | 1 mg/LMCLG | Within the limit |
| Cyanide | Not detected ug/LMaximumMax Conc | None set | None detected |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.6 pCi/LMaximumMax Conc | 0 pCi/LMCLG | Within the limit |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 0.6 pCi/LMaximumMax Conc | 0 pCi/LMCLG | Within the limit |
Physical & aggregate
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 1.5 ug/LMaximumMax Conc | None set | Within the limit |
| Carbon Tetrachloride | Not detected ug/LAverageSystem-wide | 0 ug/LMCLG | None detected |
| Chlorobenzene | Not detected ug/LMaximumMax Conc | None set | None detected |
| O Dichlorobenzene | Not detected ug/LAverageSystem-wide | None set | None detected |
| P Dichlorobenzene | Not detected ug/LAverageSystem-wide | None set | None detected |
| Pce | Not detected ug/LAverageSystem-wide | 0 ug/LMCLG | None detected |
| Styrene | Not detected ug/LAverageSystem-wide | None set | None detected |
| Tce | Not detected ug/LAverageSystem-wide | 0 ug/LMCLG | None detected |
| Vinyl Chloride | Not detected ug/LAverageSystem-wide | 0 ug/LMCLG | None detected |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.026 mg/LMaximumMax Conc | 2 mg/LMCLG | Within the limit |
| Antimony | Not detected ug/LMaximumMax Conc | None set | None detected |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected ug/LMaximumMax Conc | None set | None detected |
| Beryllium | Not detected ug/LMaximumMax Conc | None set | None detected |
| Cadmium | Not detected ug/LMaximumMax Conc | None set | None detected |
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | Not detected ug/LMaximumMax Conc | None set | None detected |
| SeleniumA trace element from natural deposits and industrial discharge. | Not detected ug/LMaximumMax Conc | None set | None detected |
| Thallium | Not detected ug/LMaximumMax Conc | None set | None detected |
| CopperA metal that enters water from corroding household plumbing. | 0.053 %90th percentileMax Conc | 1.3 %Action level | Detected — no federal limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected %90th percentileMax Conc | None set | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0 %Highest single sampleMax Conc | 0 %MCLG | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0 %Highest single sampleMax Conc | 0 %MCLG | None detected |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Benzene | Not detected ug/LAverageSystem-wide | 0 ug/LMCLG | None detected |
| Dichloromethane | Not detected ug/LAverageSystem-wide | 0 ug/LMCLG | None detected |
| Ethylbenzene | Not detected ug/LAverageSystem-wide | None set | None detected |
| Toluene | Not detected ug/LAverageSystem-wide | 1 ug/LMCLG | None detected |
People also ask about York County, VA's water
+Is York County, VA tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the York County, VA water utility lists 1 contaminant at or above the federal limit: Chlorine. 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 York County, VA tap water?
42 contaminants were measured in York County, VA's 2024 Consumer Confidence Report, spanning metals, other, and disinfection byproducts. 19 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 York County, VA tap water?
One contaminant in York County, VA's 2024 report sits at or above the federal limit: Chlorine (1.4× 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 York County, VA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is Chlorine, at 1.4× the federal threshold. It belongs to the disinfectants family of contaminants.
+Are any contaminants in York County, VA tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: PFOA. 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 York County, VA'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 York County, VA'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.