WaterVerge

Is Gowrie, 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 ↓

954 residents served 1 water system PWSID: IA9436095
Overall Score
89.9 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#200 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

Gowrie, IA — Water Quality Report

Gowrie'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 954 residents using groundwater.

Lead levels were measured at 7.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 7 violations on record, including 5 health-based violations. 1 remains unresolved.

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

What to know about Gowrie's water

Gowrie ranks #200 out of 436 cities in Iowa for water quality, placing it mid-range in the state.

Gowrie 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

As a small community water system, Gowrie 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 7.0 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 Gowrie, IA water safe to drink?

Use Caution

Gowrie'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 954 residents using groundwater (wells).

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

Recent water quality updates for Gowrie

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

Update
Water quality data updated

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

Disaster
SEVERE STORMS AND FLOODING

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

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3239). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

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

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Fluoride.

Key contaminant findings

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

Lead Elevated
Detected: 7.0 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Violation history

Gowrie's water system has 7 total violations on record, including 5 health-based violations. 1 remain unresolved.

MCLMR
Most recent violations:
Feb 1995 Coliform (TCR) Resolved
Dec 1990 Coliform (TCR) Resolved
Oct 1984 Fluoride Resolved
Oct 1983 Fluoride Resolved
Sep 1980 Fluoride Resolved

Flood & environmental risk

Webster 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 Gowrie's water come from?

Gowrie's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 954 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Gowrie 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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Gowrie'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
7.0 ppb
EPA Action Level: 15 ppb · 47% of limit
Safe Level
Compliance Record

Violation summary

7
Total violations
5
Health-based
1
Active / unresolved
Feb 1995
Most recent violation
Compliance Record

Violations & advisories

7 Total
1 Active
5 Health-based
6 Resolved
Violations by category
Inorganic Chemicals
4
Total Coliform Rule
2
Active
Compliance Violation
Monitoring 0
Feb 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 1995
Dec 1990 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1990
Oct 1984 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Sep 1985
Oct 1983 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Sep 1984
Sep 1980 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Sep 1981
Sep 1980 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Sep 1981
Industrial pollution

Top industrial polluters within 10 miles of Gowrie

Industrial polluters nearby

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

Total reported releases to surface water: 1 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
JOHN DEERE PATON
Machinery · DEERE & CO
PATON, IA50217
Manganese18.0 mi
POET BIOREFINING-GOWRIE LLC
Chemicals · POET HOLDING CO LLC
GOWRIE, IA50543
3.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

8
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Webster 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
Apr 1993
SEVERE STORMS & FLOODING
Flood FEMA #986
May 1990
SEVERE STORMS & FLOODING
Flood FEMA #868

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 7.0 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 7.0 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 1.0 ppb from 1993 (8.0 ppb) to 2023 (7.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
954
Water Systems
1
Water Source

Where Gowrie's water comes from

Groundwater

Gowrie'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 954 people through 1 water system.

Infrastructure

Water systems serving Gowrie

System Name PWSID Population Source
GOWRIE MUNI UTILITIES WATER DEPT IA9436095 954 GW
Regional Comparison

How Gowrie compares

Full Iowa rankings →

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

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

About Gowrie, IA

Economic Profile
$52,135
Median Income
$92,858
Median Home Value
$646/mo
Median Rent
5%
Unemployment
Community
44.5
Median Age
229
People / sq mi
24.5%
College Educated
86.6%
Homeownership
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Frequently asked questions

Is Gowrie, IA tap water safe to drink?

Gowrie'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 #200 out of 436 cities tested in Iowa.

What contaminants are in Gowrie's water?

Lead was measured at 7.0 ppb (90th percentile). 7 violations are on record.

How is Gowrie'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 Gowrie?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Gowrie's water come from?

Gowrie's water is sourced from Groundwater. The city has 1 water system serving approximately 954 residents.

What health violations has Gowrie's water system had?

Gowrie has 5 health-based violations on record. The most recent violation was recorded in February 1995. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Gowrie's groundwater at risk of contamination?

Gowrie 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 Gowrie's water compare to other cities?

Gowrie ranks #200 out of 436 cities in Iowa (better than 54% of state cities) and #2517 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 Gowrie's small water system affect quality?

Gowrie's system serves approximately 954 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.