WaterVerge

Is Keota, IA Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

897 residents served 1 water system PWSID: IA5440028
Overall Score
93.7 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#42 of 436 in Iowa Top 5% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93.7/100
waterverge.com
A 93.7/100

Keota, IA — Water Quality Report

Keota's drinking water received a grade of A (93.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 897 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 11 violations on record, including 4 health-based violations. 1 remains unresolved.

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

What to know about Keota's water

Keota ranks #42 out of 436 cities in Iowa for water quality, placing it one of the best in the state.

Keota 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, Keota may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
93.7 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.7/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
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: Groundwater.
Water Safety

Is Keota, IA water safe to drink?

Use Caution

Keota's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 897 residents using groundwater (wells).

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

Recent water quality updates for Keota

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Keota's water quality assessment. Grade: A (93.7/100).

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: Nitrite.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

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: Coliform (TCR).

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Keota's water system has 11 total violations on record, including 4 health-based violations. 1 remain unresolved.

MRMCL
Most recent violations:
Jul 2017 Nitrite Resolved
Aug 2013 Coliform (TCR) Resolved
Aug 2001 Coliform (TCR) Resolved
May 2001 Coliform (TCR) Resolved
Jul 1997 Coliform (TCR) Resolved

Flood & environmental risk

Keokuk County has experienced 9 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
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4119
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3239

Where does Keota's water come from?

Keota's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 897 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Keota 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

Keota'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
Compliance Record

Violation summary

11
Total violations
4
Health-based
1
Active / unresolved
Jul 2017
Most recent violation
Compliance Record

Violations & advisories

11 Total
1 Active
4 Health-based
10 Resolved
Violations by category
Total Coliform Rule
6
Nitrate Rule
4
Active
Compliance Violation
Monitoring 0
Jul 2017 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2018
Aug 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2013
Aug 2001 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2001
May 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2001
Jul 1997 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1997
Jul 1997 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1998
Sep 1996 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1996
Oct 1995 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1996
Jun 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1992
Jun 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1992
Environmental Risk

Flood & disaster history

9
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Keokuk County has experienced 9 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
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 1990
SEVERE STORMS & FLOODING
Flood FEMA #868

Full contaminants report

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

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.5 ppb from 1993 (1.5 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
897
Water Systems
1
Water Source

Where Keota's water comes from

Groundwater

Keota'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 897 people through 1 water system.

Infrastructure

Water systems serving Keota

System Name PWSID Population Source
KEOTA WATER DEPT IA5440028 897 GW
Regional Comparison

How Keota compares

Full Iowa rankings →

Keota's score of 93.7/100 is above the average of 72/100 among major Iowa cities. It outscores 10 of 10 nearby cities.

Keota (this city)
93.7
Ames
81.5
Iowa avg
72
City Profile

About Keota, IA

Wikipedia →

Keota is a city in Keokuk and Washington counties, Iowa, United States. The population was 897 at the time of the 2020 census.

Economic Profile
$67,917
Median Income
$90,152
Median Home Value
$682/mo
Median Rent
0.6%
Unemployment
Community
38.5
Median Age
441
People / sq mi
15.7%
College Educated
82.9%
Homeownership
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Frequently asked questions

Is Keota, IA tap water safe to drink?

Keota's water quality earned a grade of A (93.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #42 out of 436 cities tested in Iowa.

What contaminants are in Keota's water?

Lead was measured at 0.0 ppb (90th percentile). 11 violations are on record.

How is Keota'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 Keota?

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

Where does Keota's water come from?

Keota's water is sourced from Groundwater. The city has 1 water system serving approximately 897 residents.

What health violations has Keota's water system had?

Keota has 4 health-based violations on record. The most recent violation was recorded in July 2017. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Keota's groundwater at risk of contamination?

Keota 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 11 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 Keota's water compare to other cities?

Keota ranks #42 out of 436 cities in Iowa (better than 90% of state cities) and #761 out of 15744 cities nationally (95th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Keota's small water system affect quality?

Keota's system serves approximately 897 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 11 violations on record.