WaterVerge

Is Exira, IA Tap Water Safe to Drink?

Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

764 residents served 1 water system PWSID: IA0520030
Overall Score
89.9 / 100
Violations
1 active
Last Updated
May 2026
Source
Purchased ground water
#202 of 436 in Iowa Top 16% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.9/100
waterverge.com
A- 89.9/100

Exira, IA — Water Quality Report

Exira's drinking water received a grade of A- (89.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 764 residents using purchased ground water.

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 7 violations on record, including 1 health-based violation. 1 remains unresolved.

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

What to know about Exira's water

Exira ranks #202 out of 436 cities in Iowa for water quality, placing it mid-range in the state.

Exira purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

As a small community water system, Exira may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
89.9 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.9/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Exira, IA water safe to drink?

Use Caution

Exira's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (89.9/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 764 residents using groundwater (wells).

1
Active Violations
0.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Exira

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Exira's water quality assessment. Grade: A- (89.9/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS AND FLOODING

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

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Groundwater Rule.

Disaster
HURRICANE KATRINA EVACUATION

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 Exira's water supply.

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.30 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Exira's water system has 7 total violations on record, including 1 health-based violation. 1 remain unresolved. 1 violation was issued in the last 5 years.

MONTTMR
Most recent violations:
Nov 2021 Revised Total Coliform Rule Resolved
Jul 2017 Revised Total Coliform Rule Resolved
Dec 2015 Groundwater Rule Resolved
Aug 2015 Coliform (TCR) Resolved
Jul 2007 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Audubon County has experienced 8 federally declared disasters since 1965. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4421
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3239
SEVERE STORMS, TORNADOES AND FLOODING
Flood FEMA DR-1230

Where does Exira's water come from?

Exira's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 764 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Exira residents can do

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

Exira'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
Copper (90th percentile)
Inorganic
Over Limit
2.30 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

7
Total violations
1
Health-based
1
Active / unresolved
Nov 2021
Most recent violation
Compliance Record

Violations & advisories

7 Total
1 Active
1 Health-based
6 Resolved
Violations by category
Revised Total Coliform Rule
2
Ground Water Rule
1
Total Coliform Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Arsenic Rule
1
Active
Compliance Violation
Monitoring 0
Nov 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2021
Jul 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2017
Dec 2015 Resolved
Groundwater Rule
Treatment Technique
Health-Based Health Resolved Dec 2015
Aug 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2015
Jul 2007 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2007
Jul 2001 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2002
Industrial pollution

Top industrial polluters within 10 miles of Exira

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CENTRAL IOWA READY MIX
Nonmetallic Mineral Product · RASMUSSEN GROUP
AUDUBON, IA50025
9.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

8
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Audubon County has experienced 8 federally declared disasters since 1965. 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
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 1990
SEVERE STORMS & FLOODING
Flood FEMA #868
Sep 1972
SEVERE STORMS & FLOODING
Flood FEMA #354

Recommended water filters

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

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.30 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 6.0 ppb from 1993 (6.0 ppb) to 2025 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 2.300 mg/L (1993)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
764
Water Systems
1
Water Source

Where Exira's water comes from

Purchased Groundwater

Exira purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Exira's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 764 people through 1 water system.

Infrastructure

Water systems serving Exira

System Name PWSID Population Source
EXIRA WATER DEPT IA0520030 764 GWP
Regional Comparison

How Exira compares

Full Iowa rankings →

Exira's score of 89.9/100 is above the average of 72/100 among major Iowa cities. It outscores 10 of 10 nearby cities.

Exira (this city)
89.9
Ames
81.5
Iowa avg
72
City Profile

About Exira, IA

Wikipedia →

Exira is a city in Audubon County, Iowa, United States, along the East Nishnabotna River and U.S. Route 71. The population was 787 at the time of the 2020 census.

Economic Profile
$43,229
Median Income
$66,604
Median Home Value
$568/mo
Median Rent
2.1%
Unemployment
Community
54.7
Median Age
317
People / sq mi
11.6%
College Educated
83.1%
Homeownership
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Frequently asked questions

Is Exira, IA tap water safe to drink?

Exira's water quality earned a grade of A- (89.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #202 out of 436 cities tested in Iowa.

What contaminants are in Exira's water?

Lead was measured at 0.0 ppb (90th percentile). 7 violations are on record.

How is Exira'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 Exira?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Exira's water come from?

Exira's water is sourced from Purchased ground water. The city has 1 water system serving approximately 764 residents.

What health violations has Exira's water system had?

Exira has 1 health-based violation on record. The most recent violation was recorded in November 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Exira's groundwater at risk of contamination?

Exira 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 7 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 Exira's water compare to other cities?

Exira ranks #202 out of 436 cities in Iowa (better than 54% of state cities) and #2524 out of 15744 cities nationally (84th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Exira's small water system affect quality?

Exira's system serves approximately 764 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 7 violations on record.