Drinking water quality · 2024
What's in Evansville, IN tap water
15 contaminants were measured in the Evansville, IN water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 15
- Over federal limit
- 0
- Approaching the limit
- 1
- Service area
- IN
Where your water comes from · EPA SDWIS
Evansville, IN's drinking water comes from surface water, drawn from 1 source.
Source
- OHIO RIVER INTAKE
Treatment
- TREATMENT PLANT
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.
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.5–3.4 mg/LRangeSystem-wide | 4 mg/LMCL | Approaching the limit |
| Twofourd | 0.2 ug/LAverageSystem-wide | None set | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 43.3 ug/LRunning annual avgLocational | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 31.2 ug/LRunning annual avgLocational | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 2 mg/LAverageSystem-wide | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.7 mg/LAverageSystem-wide | 4 mg/LMCL | Within the limit |
| SulfateA naturally occurring mineral from rock and soil. | 53.4 mg/LReported levelSystem-wide | None set | Detected — no federal limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AtrazineA widely used agricultural herbicide that reaches water through runoff. | 0.4 ug/LAverageSystem-wide | None set | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.001 mg/L90th percentileAt the tap | 0.015 mg/LAction level | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | Not detected %90th percentileSystem-wide | 1.3 %Action level | Detected — no federal limit |
| LithiumA naturally occurring element found in some groundwater. | 8.3AverageSystem-wide | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 25 mg/LReported levelSystem-wide | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.04 NTUAverageSystem-wide | 1 NTUMCL | Within the limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 3.53 mg/LReported levelSystem-wide | None set | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0.88 %AverageSystem-wide | None set | Detected — no federal limit |
People also ask about Evansville, IN's water
+Is Evansville, IN tap water safe to drink in 2024?
Every one of the 15 contaminants measured in Evansville, IN'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 Evansville, IN tap water?
15 contaminants were measured in Evansville, IN's 2024 Consumer Confidence Report, spanning metals, inorganic chemicals, and disinfection byproducts. 6 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 Evansville, IN tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Chlorine Total. 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 Evansville, IN'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 Evansville, IN'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.