Is St George, KS Tap Water Safe to Drink?
Graded C+, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
67/100
waterverge.com St George, KS — Water Quality Report
St George's drinking water received a grade of C+ (67 out of 100), indicating fair water quality. The city's 1 water system serves approximately 998 residents using groundwater.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 51 violations on record, including 18 health-based violations. 14 remain unresolved.
What to know about St George's water
St George ranks #261 out of 323 cities in Kansas for water quality, placing it among the lowest-rated in the state.
St George relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, St George may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 9 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is St George, KS water safe to drink?
St George's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (67/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 998 residents using groundwater (wells).
Recent water quality updates for St George
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into St George's water quality assessment. Grade: C+ (67/100).
1 health-based. Contaminants: Nitrate.
1 health-based. Contaminants: Nitrate.
1 health-based. Contaminants: Nitrate.
Federal disaster declaration (FEMA DR-3236). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-1000). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for St George's water supply.
Well within EPA limits.
Violation history
St George's water system has 51 total violations on record, including 18 health-based violations. 14 remain unresolved. 9 violations were issued in the last 5 years.
Flood & environmental risk
Pottawatomie County has experienced 3 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Kansas R, Rock C Nr Louisville.
Where does St George's water come from?
St George's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 998 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Kansas R (river), Rock C Nr Louisville (river).
What St George residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in St George's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
St George's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Flood & disaster history
Pottawatomie County has experienced 3 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how St George compares by contaminant
Explore where St George ranks among all Kansas cities for specific contaminants.
Water source & infrastructure
Where St George's water comes from
St George's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 998 people through 1 water system.
Water bodies near St George
St George is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving St George
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ST GEORGE, CITY OF | KS2014917 | 998 | GW |
How St George compares
Full Kansas rankings →St George's score of 67/100 is on par with the average of 62/100 among major Kansas cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Kansas rankings →Learn more about your water
Guides and resources related to St George's water quality findings.
Explore water quality across Pottawatomie
Frequently asked questions
Is St George, KS tap water safe to drink?
St George's water quality earned a grade of C+ (67/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #261 out of 323 cities tested in Kansas.
What contaminants are in St George's water?
Lead was measured at 0.0 ppb (90th percentile). 51 violations are on record.
How is St George's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in St George?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does St George's water come from?
St George's water is sourced from Groundwater. The city has 1 water system serving approximately 998 residents.
What health violations has St George's water system had?
St George has 18 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.
Is St George's groundwater at risk of contamination?
St George uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 51 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does St George's water compare to other cities?
St George ranks #261 out of 323 cities in Kansas (better than 19% of state cities) and #11296 out of 15744 cities nationally (28th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does St George's small water system affect quality?
St George's system serves approximately 998 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 51 violations on record.