Drinking water quality · 2023
· Verified
What's in Overland Park, KS tap water
38 contaminants were measured in the Overland Park, KS water system's 2023 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 38
- Over federal limit
- 1
- Approaching the limit
- 1
- Worst contaminant
- Bromate
- Service area
- KS
Where your water comes from · EPA SDWIS
Overland Park, KS buys its drinking water from WICHITA, CITY OF, CHISHOLM CREEK UTILITY AUTHORITY.
Source
Treatment
Distribution
Also buys water from WICHITA, CITY OF, CHISHOLM CREEK UTILITY AUTHORITY.
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-based1 violation on record · most recent Aug 2007resolved
- Other2 violations on record · most recent Dec 20232 open
- Monitoring & reporting1 violation on record · most recent Oct 20211 open
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | 0–17 ug/LRangeWaterOne | None set | At or above the limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 2.1–47 ug/LRangeWaterOne | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 2.5–18 ug/LRangeWaterOne | None set | Within the limit |
| BromodichloromethaneA trihalomethane disinfection byproduct. | 4.1 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| ChloroformA trihalomethane formed when chlorine reacts with organic matter in water. | 18.3 ug/LAverageSystem-wide | None set | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 2–3.8 mg/LRangeWaterOne | 4 mg/LMCL | Approaching the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 6.5 ug/LReported levelWaterOne | None set | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 1.3 ug/LReported levelWaterOne | None set | Within the limit |
| SeleniumA trace element from natural deposits and industrial discharge. | 3.5 ug/LReported levelWaterOne | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.01–0.08 mg/LRangeWaterOne | 2 mg/LMCL | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 3.2 ug/LAverageSystem-wide | None set | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 4.9 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 36 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 12 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| NickelA metal from natural deposits and industrial discharge. | 1.5 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 7.4 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| SilicaA naturally occurring compound from sand and rock. | 10 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 54 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | 6.6 ug/LAverageSystem-wide | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.24 NTUReported levelWaterOne | None set | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 66 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 137 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| OdorA measure of detectable smell in the water. | 3AverageSystem-wide | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 9.6AverageSystem-wide | None set | Detected — no federal limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 510AverageSystem-wide | None set | Detected — no federal limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 3 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 430 mg/LAverageSystem-wide | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.09–2.1 mg/LRangeWaterOne | 10 mg/LMCL | Within the limit |
| Dichloroacetic acidA haloacetic acid disinfection byproduct. | 8 ug/LAverageSystem-wide | 0 ug/LMCLG | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.5 mg/LAverageSystem-wide | 4 mg/LMCL | Within the limit |
| BromideA naturally occurring salt found in source water. | 59 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| ChlorideA naturally occurring salt compound. | 31 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 177 mg/LAverageSystem-wide | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0–0.85 pCi/LRangeWaterOne | 5 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 0–0.44 ug/LRangeWaterOne | 30 ug/LMCL | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 5.5 pCi/LReported levelWaterOne | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 2.6 ug/LReported levelWaterOne | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0.4Reported levelWaterOne | 0MCLG | Detected — no federal limit |
People also ask about Overland Park, KS's water
+Is Overland Park, KS tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the Overland Park, KS water utility lists 1 contaminant at or above the federal limit: Bromate. 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 Overland Park, KS tap water?
38 contaminants were measured in Overland Park, KS's 2023 Consumer Confidence Report, spanning metals, physical & aggregate, and inorganic chemicals. 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.
+Which contaminants exceed federal limits in Overland Park, KS tap water?
One contaminant in Overland Park, KS's 2023 report sits at or above the federal limit: Bromate (1.7× 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 Overland Park, KS tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Bromate, at 1.7× the federal threshold. It belongs to the disinfection byproducts family of contaminants.
+Are any contaminants in Overland Park, KS tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Chloramine. 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 Overland Park, KS's 2023 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 Overland Park, KS'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 2023 report; a new report will replace it once the utility publishes its next annual update.