Is Grant City, MO Tap Water Safe to Drink?
Graded C+, with 25 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
68.6/100
waterverge.com Grant City, MO — Water Quality Report
Grant City's drinking water received a grade of C+ (68.6 out of 100), indicating fair water quality. The city's 3 water systems serve approximately 2,372 residents using purchased surface water.
Lead levels were measured at 2.2 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 99 violations on record, including 43 health-based violations. 25 remain unresolved.
What to know about Grant City's water
Grant City ranks #413 out of 509 cities in Missouri for water quality, placing it among the lowest-rated in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, Grant City may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Grant City, MO water safe to drink?
Grant City's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (68.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 2,372 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Grant City
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Grant City's water quality assessment. Grade: C+ (68.6/100).
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-3232). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-995). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Grant City's water supply.
Well within EPA limits.
Violation history
Grant City's water system has 99 total violations on record, including 43 health-based violations. 25 remain unresolved. 6 violations were issued in the last 5 years.
Flood & environmental risk
Worth County has experienced 4 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 Stanberry Lake Near Gentry.
Where does Grant City's water come from?
Grant City's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 2,372 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Stanberry Lake Near Gentry (lake).
What Grant City residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Grant City'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.
Grant City'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
Worth County has experienced 4 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. | 2.2 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Grant City compares by contaminant
Explore where Grant City ranks among all Missouri cities for specific contaminants.
Water source & infrastructure
Where Grant City's water comes from
Grant City's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 2,372 people through 3 water systems.
Water bodies near Grant City
Grant City is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Grant City
| System Name | PWSID | Population | Source |
|---|---|---|---|
| WORTH COUNTY PWSD 1 | MO1024646 | 1,497 | SWP |
| GRANT CITY PWS | MO1010324 | 850 | SWP |
| NODAWAY CO EAST PWSD 1 | MO1070639 | 25 | SW |
How Grant City compares
Full Missouri rankings →Grant City's score of 68.6/100 is above the average of 62/100 among major Missouri cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Missouri rankings →About Grant City, MO
Wikipedia →Worth is a village in Worth County, Missouri, United States. The population was 65 at the 2020 census.
Learn more about your water
Guides and resources related to Grant City's water quality findings.
Explore water quality across Worth
Frequently asked questions
Is Grant City, MO tap water safe to drink?
Grant City's water quality earned a grade of C+ (68.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #413 out of 509 cities tested in Missouri.
What contaminants are in Grant City's water?
Lead was measured at 2.2 ppb (90th percentile). 99 violations are on record.
How is Grant City'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 Grant City?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Grant City's water come from?
Grant City's water is sourced from Purchased surface water. The city has 3 water systems serving approximately 2,372 residents.
What health violations has Grant City's water system had?
Grant City has 43 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. 25 violations remain unresolved.
How does Grant City's water compare to other cities?
Grant City ranks #413 out of 509 cities in Missouri (better than 19% of state cities) and #11049 out of 15744 cities nationally (30th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.