Is Truro, IA Tap Water Safe to Drink?
Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
90.3/100
waterverge.com Truro, IA — Water Quality Report
Truro's drinking water received a grade of A (90.3 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 525 residents using purchased surface water.
Lead levels were measured at 1.7 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 18 violations on record, including 7 health-based violations. 3 remain unresolved.
What to know about Truro's water
Truro ranks #184 out of 436 cities in Iowa for water quality, placing it mid-range 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, Truro may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Truro, IA water safe to drink?
Truro's drinking water has significant quality concerns based on EPA testing data. With a grade of A (90.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 525 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Truro
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Truro's water quality assessment. Grade: A (90.3/100).
Contaminants: Revised Total Coliform Rule.
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-4421). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3239). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Truro's water supply.
Well within EPA limits.
Violation history
Truro's water system has 18 total violations on record, including 7 health-based violations. 3 remain unresolved. 4 violations were issued in the last 5 years.
Flood & environmental risk
Jasper County has experienced 7 federally declared disasters since 1969. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Truro's water come from?
Truro's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 525 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Truro residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Truro'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.
Truro'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
Jasper County has experienced 7 federally declared disasters since 1969. 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. | 1.7 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Truro compares by contaminant
Explore where Truro ranks among all Iowa cities for specific contaminants.
Water source & infrastructure
Where Truro's water comes from
Truro'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 525 people through 1 water system.
Water systems serving Truro
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TRURO WATERWORKS | IA6167036 | 525 | SWP |
How Truro compares
Full Iowa rankings →Truro's score of 90.3/100 is above the average of 72/100 among major Iowa cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Iowa rankings →About Truro, IA
Wikipedia →Newton is the county seat of and the most populous city in Jasper County, Iowa, United States. Located 30 miles (48 km) east of Des Moines, Newton is in Central Iowa. As of the 2020 Census, the city population was 15,760. It is the home of Iowa Speedway and Maytag Dairy Farms.
Learn more about your water
Guides and resources related to Truro's water quality findings.
Explore water quality across Madison
Frequently asked questions
Is Truro, IA tap water safe to drink?
Truro's water quality earned a grade of A (90.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #184 out of 436 cities tested in Iowa.
What contaminants are in Truro's water?
Lead was measured at 1.7 ppb (90th percentile). 18 violations are on record.
How is Truro'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 Truro?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Truro's water come from?
Truro's water is sourced from Purchased surface water. The city has 1 water system serving approximately 525 residents.
What health violations has Truro's water system had?
Truro has 7 health-based violations on record. The most recent violation was recorded in January 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
How does Truro's water compare to other cities?
Truro ranks #184 out of 436 cities in Iowa (better than 58% of state cities) and #2319 out of 15744 cities nationally (85th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Truro's small water system affect quality?
Truro's system serves approximately 525 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 18 violations on record.