Water Quality: Shell Knob, MO
11 water systems • 767 people served
Multiple Health ViolationsWater Quality Summary
Shell Knob is served by 11 public water systems with a combined service population of 767 people, and has 97 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Shell Knob's violation count is 155% above the national average for Missouri. Contaminants associated with violations include Chlorine Dioxide, Gross Alpha.
Contaminants Found
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.
Common source: Natural uranium and radium in geological formations
EPA limit: 15 pCi/L (excluding radon and uranium)
Water Systems Serving Shell Knob
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| FOX WOODS SUBDIVISION | MO5036197 | Groundwater | 125 | 1 |
| GREEN SHORES SUBD | MO5036102 | Groundwater | 120 | 2 |
| OZARK VILLA AT SHELL KNOB | MO5071342 | Groundwater | 110 | 6 |
| CRYSTAL BEACH SUBD | MO5031192 | Groundwater | 91 | 9 |
| TWIN RIVERS SUBD | MO5036195 | Groundwater | 72 | 8 |
| SYCAMORE LANDING ASSN | MO5036253 | Groundwater | 70 | 1 |
| KINGS RIVER BEACH WATER ASSOCIATION INC | MO5031309 | Groundwater | 50 | 4 |
| SHELL ROCK UTILITIES | MO5036168 | Groundwater | 45 | 8 |
| BARRY COUNTY PWSD 2 | MO5036196 | Groundwater | 34 | 9 |
| CENTRAL CROSSING ACRES II | MO5031380 | Groundwater | 25 | 3 |
| GREEN WOODS | MO5251518 | Groundwater | 25 | 46 |
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 Missouri
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.