Drinking water quality · 2024
· Verified
What's in Little Rock, AR tap water
9 contaminants were measured in the Little Rock, AR 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
- 0
- Service area
- AR
Where your water comes from · EPA SDWIS
Little Rock, AR buys its drinking water from JACKSONVILLE WATERWORKS.
Source
Treatment
- US AFB LR MASTER METER
Distribution
Also buys water from JACKSONVILLE WATERWORKS.
Historical readings · EPA Six-Year Review (2012–2019)
1 contaminant historically over EPA limits in Little Rock, AR
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) |
|---|---|---|---|
TTHM worst: 2014 | 0.106 mg/L 1.3× | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
HAA5 worst: 2012 | 0.044 mg/L within | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
MBAA worst: 2014 | 0.001 mg/L | — | '14'18'19 |
COPPER worst: 2016 | 0.17 mg/L below national p90 | — | '16'19 |
LEAD worst: 2013 | 0.004 mg/L | — | '13'16'19 |
DBAA worst: 2019 | 0.001 mg/L | — | '19 |
DCAA worst: 2012 | 0.0233 mg/L | — | '12'13'14'15'16'17'18'19 |
MCAA worst: 2012 | 0.0022 mg/L | — | '12'14'15'18'19 |
TCAA worst: 2012 | 0.0185 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMODICHLOROMETHANE worst: 2012 | 0.0102 mg/L | — | '12'13'14'15'16'17'18'19 |
CHLOROFORM worst: 2012 | 0.0884 mg/L | — | '12'13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.0015 mg/L | — | '12'13'14'15'16'17'18'19 |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorite | 300–428 ug/LReported levelLevels Detected | 800 ug/LMCLG | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.95–1.48 mg/LReported levelSystem-wide | 4 mg/LMRDLG | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.81–0.89 mg/LReported levelSystem-wide | 4 mg/LMCLG | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.1 mg/LReported levelSystem-wide | 10 mg/LMCLG | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.33 NTUReported levelSystem-wide | None set | Detected — no federal limit |
People also ask about Little Rock, AR's water
+Is Little Rock, AR tap water safe to drink in 2024?
Every one of the 9 contaminants measured in Little Rock, AR'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 Little Rock, AR tap water?
9 contaminants were measured in Little Rock, AR's 2024 Consumer Confidence Report, spanning disinfection byproducts, inorganic chemicals, and metals. 8 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 Little Rock, AR'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 Little Rock, AR'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.