Drinking water quality · 2024
What's in Cleveland, OH tap water
63 contaminants were measured in the Cleveland, OH water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 63
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- OH
state-level CCR
Where your water comes from · EPA SDWIS
Cleveland, OH's drinking water comes from surface water, drawn from 4 sources.
Source
4surface water
- IN FROM CLEVELAND CITY BALDWIN
- IN FROM CLEVELAND CITY CROWN
- IN FROM CLEVELAND CITY MORGAN
- IN FROM CLEVELAND CITY NOTTINGHAM
Treatment
4treatment plants
- CLEVELAND BALDWIN WTP
- CLEVELAND CROWN WTP
- CLEVELAND NOTTINGHAM WTP
- + 1 more
Distribution
25storage units
Source: EPA SDWIS facilities inventory. Methodology.
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.
- Treatment technique violationHealth-based1 violation on record · most recent Jul 2009resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 9.4–51.1 ug/LRangeSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 3.9–18.6 ug/LRangeSystem-wide | None set | Within the limit |
| BromodichloromethaneA trihalomethane disinfection byproduct. | 4.1–7.2 ug/LRangeSystem-wide | None set | Detected — no federal limit |
| ChloroformA trihalomethane formed when chlorine reacts with organic matter in water. | 3.1–11 ug/LRangeSystem-wide | None set | Detected — no federal limit |
| DibromochloromethaneA trihalomethane disinfection byproduct. | 2.2–2.9 ug/LRangeSystem-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. | 0.84–1.26 mg/LRangeSystem-wide | 4 mg/LMCLG | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.74 mg/LReported levelCleveland Water | 10 mg/LMCL | Within the limit |
| Cyanide | Not detected mg/LReported levelCleveland Water | 0.2 mg/LMCL | None detected |
| ChlorideA naturally occurring salt compound. | 18 mg/LReported levelCleveland Water | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.94–1.26 mg/LRangeSystem-wide | 4 mg/LMRDLG | Within the limit |
| Radium 226 228 | 0.801 pCi/LReported levelCleveland Water | 5 pCi/LMCL | Within the limit |
| Alachlor | Not detected mg/LReported levelCleveland Water | 0.002 mg/LMCL | None detected |
| Carbon Tetrachloride | Not detected mg/LReported levelCleveland Water | 0.005 mg/LMCL | None detected |
| Chlorobenzene | Not detected mg/LReported levelCleveland Water | 0.1 mg/LMCL | None detected |
| Chromium | Not detected mg/LReported levelCleveland Water | 0.1 mg/LMCL | None detected |
| Cis Dichloroethylene 12 | Not detected mg/LReported levelCleveland Water | 0.07 mg/LMCL | None detected |
| Dichloroethane 12 | Not detected mg/LReported levelCleveland Water | 0.005 mg/LMCL | None detected |
| Dichloropropane 12 | Not detected mg/LReported levelCleveland Water | 0.005 mg/LMCL | None detected |
| Styrene | Not detected mg/LReported levelCleveland Water | 0.1 mg/LMCL | None detected |
| Trans Dichloroethylene 12 | Not detected mg/LReported levelCleveland Water | 0.1 mg/LMCL | None detected |
| Trichlorobenzene 124 | Not detected mg/LReported levelCleveland Water | 0.07 mg/LMCL | None detected |
| Vinyl Chloride | Not detected mg/LReported levelCleveland Water | 0.002 mg/LMCL | None detected |
| Xylenes Total | Not detected mg/LReported levelCleveland Water | 10 mg/LMCL | None detected |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.15 NTUReported levelSystem-wide | None set | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 82Reported levelCleveland Water | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 105–130Reported levelCleveland Water | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 7–7.6Reported levelCleveland Water | None set | Detected — no federal limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 1.41–1.87RangeSystem-wide | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 180 mg/LReported levelCleveland Water | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 1.05 pCi/LReported levelCleveland Water | 15 pCi/LMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.06 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | Not detected mg/LReported levelCleveland Water | None set | None detected |
| Antimony | Not detected mg/LReported levelCleveland Water | 0.006 mg/LMCL | None detected |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected mg/LReported levelCleveland Water | 0.01 mg/LMCL | None detected |
| BariumA metal from erosion of natural deposits and industrial discharge. | Not detected mg/LReported levelCleveland Water | 2 mg/LMCL | None detected |
| Beryllium | Not detected mg/LReported levelCleveland Water | 0.004 mg/LMCL | None detected |
| Cadmium | Not detected mg/LReported levelCleveland Water | 0.005 mg/LMCL | None detected |
| IronA naturally occurring metal common in groundwater. | Not detected mg/LReported levelCleveland Water | None set | None detected |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0 mg/L90th percentileAt the tap | 0.015 mg/LAction level | None detected |
| ManganeseA naturally occurring metal from soil and rock. | Not detected mg/LReported levelCleveland Water | None set | None detected |
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | Not detected mg/LReported levelCleveland Water | 0.002 mg/LMCL | None detected |
| NickelA metal from natural deposits and industrial discharge. | Not detectedReported levelCleveland Water | None set | None detected |
| SeleniumA trace element from natural deposits and industrial discharge. | Not detected mg/LReported levelCleveland Water | 0.05 mg/LMCL | None detected |
| Thallium | Not detected mg/LReported levelCleveland Water | 0.002 mg/LMCL | None detected |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | Not detected mg/LReported levelCleveland Water | None set | None detected |
| CalciumA naturally occurring mineral that contributes to water hardness. | 16Reported levelCleveland Water | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 7.6Reported levelCleveland Water | None set | Detected — no federal limit |
| SilicaA naturally occurring compound from sand and rock. | 1.8Reported levelCleveland Water | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 10Reported levelCleveland Water | 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 %Reported levelCleveland Water | None set | None detected |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| 1,2,3-TCP | Not detectedReported levelCleveland Water | None set | None detected |
| AtrazineA widely used agricultural herbicide that reaches water through runoff. | Not detected mg/LReported levelCleveland Water | 0.003 mg/LMCL | None detected |
| Benzene | Not detected mg/LReported levelCleveland Water | 0.005 mg/LMCL | None detected |
| ChloroethaneA volatile organic compound used in some industrial processes. | Not detectedReported levelCleveland Water | None set | None detected |
| Chloromethane | Not detectedReported levelCleveland Water | None set | None detected |
| Dichlorodifluoromethane | Not detectedReported levelCleveland Water | None set | None detected |
| Dichloromethane | Not detected mg/LReported levelCleveland Water | 0.005 mg/LMCL | None detected |
| Ethylbenzene | Not detected mg/LReported levelCleveland Water | 0.7 mg/LMCL | None detected |
| Simazine | Not detected mg/LReported levelCleveland Water | 0.004 mg/LMCL | None detected |
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | Not detected ug/LReported levelCleveland Water | None set | None detected |
| Toluene | Not detected mg/LReported levelCleveland Water | 1 mg/LMCL | None detected |
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | Not detected ug/LReported levelCleveland Water | None set | None detected |
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFBAPerfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.' | 2.3 ng/LReported levelSystem-wide | None set | Detected — no federal limit |
Source: Cleveland, OH's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.
People also ask about Cleveland, OH's water
+Is Cleveland, OH tap water safe to drink in 2024?
Every one of the 63 contaminants measured in Cleveland, OH'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 Cleveland, OH tap water?
63 contaminants were measured in Cleveland, OH's 2024 Consumer Confidence Report, spanning metals, other, and vocs & pesticides. 34 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 Cleveland, OH'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 Cleveland, OH'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.
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