Water Quality: DAYTON, TN
6 water systems • 25,204 people served
No Health ViolationsWater Quality Summary
DAYTON is served by 6 public water systems with a combined service population of 25,204 people, and has 144 EPA Safe Drinking Water Act violations on record. None of those violations are health-based — the records reflect missed monitoring or reporting deadlines rather than a contaminant exceeding safe levels. DAYTON's violation count is 83% above the national average for Tennessee. Contaminants associated with violations include 2,4-D, Antimony, Total, Arsenic, Atrazine, Barium.
Contaminants Found
Long-term exposure increases risk of skin, bladder, and lung cancers, as well as cardiovascular and neurological effects.
Common source: Natural rock deposits, agricultural pesticides, industrial waste
EPA limit: 0.010 mg/L (10 ppb)
Cardiovascular damage and reproductive effects with long-term exposure; potential endocrine disruptor.
Common source: Runoff from corn and other crop herbicide applications
EPA limit: 0.003 mg/L (3 ppb)
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Kidney damage with long-term exposure; classified as a probable human carcinogen.
Common source: Corrosion of galvanized pipes, natural deposits, industrial waste, fertilizers
EPA limit: 0.005 mg/L (5 ppb)
Hexavalent chromium (Cr-VI) is a known human carcinogen linked to lung and stomach cancers.
Common source: Natural geological deposits, industrial pollution, electroplating discharge
EPA limit: 0.1 mg/L total chromium
At low levels prevents tooth decay; excessive levels cause dental and skeletal fluorosis.
Common source: Natural deposits, water fluoridation programs, some fertilizers
EPA limit: 4.0 mg/L (secondary standard: 2.0 mg/L)
Damages kidneys and the central nervous system; causes developmental harm to fetuses and infants.
Common source: Natural deposits, industrial discharges, landfill runoff
EPA limit: 0.002 mg/L (2 ppb)
Causes methemoglobinemia (blue baby syndrome) in infants, reducing the blood's ability to carry oxygen.
Common source: Fertilizer runoff, septic systems, animal feedlots, natural deposits
EPA limit: 10 mg/L (as nitrogen)
Hair loss, nail brittleness, and nervous system damage at elevated concentrations.
Common source: Natural geological deposits, mining discharges, oil refinery waste
EPA limit: 0.05 mg/L (50 ppb)
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Water Systems Serving DAYTON
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| DAYTON WATER DEPT | TN0000174 | Surface Water | 25,054 | 136 |
| LAURELBROOK SCHOOL | TN0000178 | Groundwater | 150 | 8 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Tennessee
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.