Drinking water quality · 2024
· Verified
What's in Town of Rolesville, NC tap water
16 contaminants were measured in the Town of Rolesville, NC 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
- 16
- Over federal limit
- 1
- Approaching the limit
- 1
- Worst contaminant
- PFOS
- Service area
- NC
Where your water comes from · EPA SDWIS
Town of Rolesville, NC's drinking water comes from ground water, drawn from 2 sources.
Source
- WELL · 2
Treatment
- TREATMENT_PLT_WELL #2
- TREATMENT_PLT_WELL #1
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
1 contaminant historically over EPA limits in Town of Rolesville, NC
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
RADIUM 226 228 worst: 2014 | 7.8 pCi/L 1.6× above national p90 | 5 pCi/L | '13'14 |
NITRATE worst: 2013 | 6.52 mg/L within | 10 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE NITRITE worst: 2019 | 5.4 mg/L within | 10 mg/L | '19 |
FLUORIDE worst: 2016 | 1.3 mg/L within | 4 mg/L | '12'16'18'19 |
DICHLOROETHANE 12 worst: 2019 | 0.00093 mg/L within below national p90 | 0.005 mg/L | '19 |
URANIUM worst: 2013 | 0.024 ug/L within above national p90 | 30 ug/L | '13'14 |
COPPER worst: 2012 | 1.08 mg/L above national p90 | — | '12'15'16'17'18 |
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 4.57Reported level8/1/2024 EMJWTP Raw | 4MCL | At or above the limit |
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 3.35Reported level8/1/2024 DEBWTP Raw | 4MCL | Approaching the limit |
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | 1.52Reported level2/29/2024 DEBWTP Raw | 10MCL | Within the limit |
| Hexafluoropropylene oxide dimer acidHFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound. | Not detectedReported level11/7/2024 EMJWTP Raw | 10MCL | None detected |
| Perfluorononanoic acidPerfluorononanoic acid, a PFAS 'forever chemical.' | Not detectedReported level8/1/2024 EMJWTP Finished | 10MCL | None detected |
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | 3.14Reported level8/1/2024 DEBWTP Finished | None set | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 2.75 mg/LRunning annual avgSystem-wide | 4 mg/LMRDLG | Within the limit |
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 2.55 mg/LRunning annual avgSystem-wide | 4 mg/LMRDLG | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 11–29.7 ug/LRunning annual avgSystem-wide | 60 ug/LMCL | Within the limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 12–36 ug/LRunning annual avgSystem-wide | 80 ug/LMCL | Within the limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Simazine | 0.1 ug/LReported levelSystem-wide | 4 ug/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. | 0–5 ug/LRangeSystem-wide | 0 ug/LMCLG | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 1.5Running annual avgSystem-wide | None set | Detected — no federal limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.11 NTUReported levelSystem-wide | None set | Detected — no federal limit |
People also ask about Town of Rolesville, NC's water
+Is Town of Rolesville, NC tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Town of Rolesville, NC water utility lists 1 contaminant at or above the federal limit: PFOS. 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 Town of Rolesville, NC tap water?
16 contaminants were measured in Town of Rolesville, NC's 2024 Consumer Confidence Report, spanning pfas ("forever chemicals"), disinfectants, and disinfection byproducts. 13 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 Town of Rolesville, NC tap water?
One contaminant in Town of Rolesville, NC's 2024 report sits at or above the federal limit: PFOS (1.1× 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 Town of Rolesville, NC tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is PFOS, at 1.1× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Are any contaminants in Town of Rolesville, NC 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 Town of Rolesville, NC'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 Town of Rolesville, NC'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.