WaterVerge

Is Centerville, IA Tap Water Safe to Drink?

Graded B+, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

38K residents served 3 water systems PWSID: IA0400900
Overall Score
84.5 / 100
Violations
4 active
Last Updated
May 2026
Source
Surface water
#355 of 436 in Iowa Top 37% nationally
Private
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.5/100
waterverge.com
B+ 84.5/100

Centerville, IA — Water Quality Report

Centerville's drinking water received a grade of B+ (84.5 out of 100), indicating good water quality. The city's 3 water systems serve approximately 38,369 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 75 violations on record, including 4 health-based violations. 4 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Centerville's water

Centerville ranks #355 out of 436 cities in Iowa 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Hexavalent chromium (chromium-6) was detected at 0.04 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
84.5 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.2/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
15.3/20
B
1 PFAS compound detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Centerville, IA water safe to drink?

Concerns Identified

Centerville's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 38,369 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
0.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
6 events
Disaster History

Recent water quality updates for Centerville

A timeline of significant water quality events, violations, and data updates.

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Centerville's water quality assessment. Grade: B+ (84.5/100).

Violation
31 drinking water violations recorded

Contaminants: LASSO, 2,4-D, Di(2-ethylhexyl) adipate.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4421). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4119). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Interim Enhanced Surface Water Treatment Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Centerville's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: PFBA at 0.0055 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Centerville's water system has 75 total violations on record, including 4 health-based violations. 4 remain unresolved.

MRTTMCL
Most recent violations:
Apr 2020 LASSO Resolved
Apr 2020 2,4-D Resolved
Apr 2020 Di(2-ethylhexyl) adipate Resolved
Apr 2020 Pentachlorophenol Resolved
Apr 2020 Picloram Resolved

Flood & environmental risk

Appanoose County has experienced 6 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 Rathbun Lake Near Rathbun, Chariton River Near Rathbun, Cooper Creek At Centerville, Chariton River Near Moulton.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4421
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4119
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3239

Where does Centerville's water come from?

Centerville's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 38,369 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Rathbun Lake Near Rathbun (lake), Chariton River Near Rathbun (river), Cooper Creek At Centerville (river), Chariton River Near Moulton (river).

What Centerville residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Centerville's water.

Request your utility's CCR

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.

Monitor alerts during storms

Centerville'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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
PFBA
PFAS / Forever Chemical
Near MCL
0.0055 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
18.5 µg/L
EPA MCL: 60 µg/L · 31% of limit
Within LimitUCMR 4 DataHAA6Br: 5.7 µg/LHAA9: 23.7 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.04 µg/L
CA MCL (no federal MCL): 10 µg/L · 0% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
116.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 8% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
20.0 µg/L
EPA Secondary MCL: 50 µg/L · 40% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
0.80 µg/L
EPA Short-term HA: 21 µg/L · 4% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Elevated
169.0 µg/L
EPA Lifetime HA: 210 µg/L · 80% of limit
DetectedUCMR 3 Data
Molybdenum
Inorganic
Detected
2.40 µg/L
EPA Lifetime HA: 40 µg/L · 6% of limit
DetectedUCMR 3 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

75
Total violations
4
Health-based
4
Active / unresolved
Apr 2020
Most recent violation
Compliance Record

Violations & advisories

75 Total
4 Active
4 Health-based
71 Resolved
Violations by category
Synthetic Organic Chemicals
22
Volatile Organic Chemicals
21
Inorganic Chemicals
12
Total Coliform Rule
6
Radionuclides and Revised Rad Rule
4
Oct 1992 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1992 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Apr 2020 Resolved
LASSO
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
2,4-D
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
Di(2-ethylhexyl) adipate
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
Pentachlorophenol
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
Picloram
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
p-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
1,2-Dichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
cis-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
1,1-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
DICHLOROMETHANE
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
Ethylbenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
Diquat
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
Glyphosate
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
Benzene
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Apr 2020 Resolved
CHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Showing 20 of 75 violations
Industrial pollution

Top industrial polluters within 10 miles of Centerville

Industrial polluters nearby

Reported releases to surface water by facilities near Centerville, ranked by pounds discharged annually.

Total reported releases to surface water: 4 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
IOWA STEEL & WIRE CO INC
Fabricated Metals · NA
CENTERVILLE, IA52544
Zinc compounds40.9 mi
HILL PHOENIX SPECIALTY DIV
Machinery · DOVER CORP
CENTERVILLE, IA52544
1.5 mi
INHANCE TECHNOLOGIES
Plastics and Rubber · INHANCE TECHNOLOGIES LLC
CENTERVILLE, IA52544
1.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

6
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Appanoose County has experienced 6 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2019
SEVERE STORMS AND FLOODING
Flood FEMA #4421
May 2013
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4119
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3239
Jul 1998
SEVERE STORMS, TORNADOES AND FLOODING
Flood FEMA #1230
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #996
May 1973
SEVERE STORMS & FLOODING
Flood FEMA #386

Recommended water filters

Based on contaminants detected in Centerville's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA 0.005 HI µg/L PFAS Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 30.7 ppb from 1992 (32.0 ppb) to 2023 (1.3 ppb).
Contaminant Rankings

See how Centerville compares by contaminant

Explore where Centerville ranks among all Iowa cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Private
Population Served
38,369
Water Systems
3
Source breakdown
Purchased Surface Water
2
Surface Water
1
Water Source

Where Centerville's water comes from

Surface Water

Centerville'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 private ownership and serves approximately 38,369 people through 3 water systems.

Local Hydrology

Water bodies near Centerville

Centerville is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Rathbun Lake Near Rathbun
lake
Chariton River Near Rathbun
river
Cooper Creek At Centerville
river
Chariton River Near Moulton
river
Infrastructure

Water systems serving Centerville

System Name PWSID Population Source
RATHBUN REGIONAL WATER ASSN (RATHBUN) IA0400900 33,000 SW
CENTERVILLE MUNICIPAL WATERWORKS IA0407008 5,344 SWP
RATHBUN REGIONAL WATER ASSOCIATION MO0400900 25 SWP
Regional Comparison

How Centerville compares

Full Iowa rankings →

Centerville's score of 84.5/100 is above the average of 72/100 among major Iowa cities. It outscores 8 of 10 nearby cities.

Centerville (this city)
84.5
Ames
81.5
Iowa avg
72
City Profile

About Centerville, IA

Wikipedia →

Centerville is a city in and the county seat of Appanoose County, Iowa, United States. The population was 5,412 in the 2020 census, a decline from 5,924 in 2000. After the turn of the 20th century Centerville's coal mining industry attracted European immigrants from Sweden, Italy, Croatia, and Albania. Centerville is also home of the largest town square in the state of Iowa and a campus of Indian Hills Community College.

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Frequently asked questions

Is Centerville, IA tap water safe to drink?

Centerville's water quality earned a grade of B+ (84.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #355 out of 436 cities tested in Iowa.

What contaminants are in Centerville's water?

Lead was measured at 0.0 ppb (90th percentile). 1 PFAS compound was detected. 75 violations are on record.

How is Centerville'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 Centerville?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Centerville's water come from?

Centerville's water is sourced from Surface water. The city has 3 water systems serving approximately 38,369 residents.

What health violations has Centerville's water system had?

Centerville has 4 health-based violations on record. The most recent violation was recorded in April 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

How does Centerville's water compare to other cities?

Centerville ranks #355 out of 436 cities in Iowa (better than 19% of state cities) and #5818 out of 15744 cities nationally (63th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.