WaterVerge

Is Elgin, IA Tap Water Safe to Drink?

Graded A-, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

685 residents served 1 water system PWSID: IA3338010
Overall Score
87.4 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#296 of 436 in Iowa Top 26% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.4/100
waterverge.com
A- 87.4/100

Elgin, IA — Water Quality Report

Elgin's drinking water received a grade of A- (87.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 685 residents using groundwater.

Lead levels were measured at 8.5 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 0 health-based violations. 2 remain unresolved.

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

What to know about Elgin's water

Elgin ranks #296 out of 436 cities in Iowa for water quality, placing it below average in the state.

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

Quality Breakdown

Water quality score

See methodology →
87.4 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 8.5 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Elgin, IA water safe to drink?

Use Caution

Elgin's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (87.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 685 residents using groundwater (wells).

2
Active Violations
8.5 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Elgin

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Elgin's water quality assessment. Grade: A- (87.4/100).

Disaster
SEVERE STORMS AND FLOODING

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

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4289). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

Lead Elevated
Detected: 8.5 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

Elgin's water system has 7 total violations on record, including 0 health-based violations. 2 remain unresolved.

OtherMR
Most recent violations:
Jul 2006 Consumer Confidence Rule Open
Aug 2001 Coliform (TCR) Resolved
Jul 1999 Coliform (TCR) Resolved
Jun 1999 Coliform (TCR) Resolved
Apr 1998 Nitrate Resolved

Flood & environmental risk

Fayette County has experienced 10 federally declared disasters since 1990. 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 AND FLOODING
Flood FEMA DR-4289
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4281

Where does Elgin's water come from?

Elgin's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 685 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Elgin 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

Elgin'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
8.5 ppb
EPA Action Level: 15 ppb · 57% of limit
Safe Level
Compliance Record

Violation summary

7
Total violations
0
Health-based
2
Active / unresolved
Jul 2006
Most recent violation
Compliance Record

Violations & advisories

7 Total
2 Active
0 Health-based
5 Resolved
Violations by category
Total Coliform Rule
3
Nitrate Rule
2
Consumer Confidence Rule
1
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Aug 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2001
Jul 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1999
Jun 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1999
Apr 1998 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1998
Jan 1995 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1995
Industrial pollution

Top industrial polluters within 10 miles of Elgin

Industrial polluters nearby

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

Total reported releases to surface water: 577,258 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
AGRI STAR MEAT & POULTRY LLC.
Food · LAURIDSEN GROUP INC
POSTVILLE, IA52162
Nitrate compounds (water dissociable; reportable only when in aqueous solution)577,2589.7 mi
CAPTIVEAIRE SYSTEMS INC
Fabricated Metals · CAPTIVEAIRE SYSTEMS INC
WEST UNION, IA52175
9.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Fayette County has experienced 10 federally declared disasters since 1990. 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
Oct 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4289
Sep 2016
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4281
Jul 2014
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4184
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3239
Jun 2002
SEVERE STORMS AND FLOODING
Flood FEMA #1420

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 8.5 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 8.5 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 increased by 3.5 ppb from 1993 (5.0 ppb) to 2024 (8.5 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
685
Water Systems
1
Water Source

Where Elgin's water comes from

Groundwater

Elgin'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 685 people through 1 water system.

Infrastructure

Water systems serving Elgin

System Name PWSID Population Source
ELGIN MUNICIPAL WATER SUPPLY IA3338010 685 GW
Regional Comparison

How Elgin compares

Full Iowa rankings →

Elgin's score of 87.4/100 is above the average of 72/100 among major Iowa cities. It outscores 9 of 10 nearby cities.

Elgin (this city)
87.4
Ames
81.5
Iowa avg
72
City Profile

About Elgin, IA

Wikipedia →

Elgin is a city in Fayette County, Iowa, United States. The population was 685 at the time of the 2020 census.

Economic Profile
$55,625
Median Income
$88,755
Median Home Value
$646/mo
Median Rent
2%
Unemployment
Community
45.8
Median Age
421
People / sq mi
15.3%
College Educated
83.5%
Homeownership
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Frequently asked questions

Is Elgin, IA tap water safe to drink?

Elgin's water quality earned a grade of A- (87.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #296 out of 436 cities tested in Iowa.

What contaminants are in Elgin's water?

Lead was measured at 8.5 ppb (90th percentile). 7 violations are on record.

How is Elgin'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 Elgin?

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 Elgin's water come from?

Elgin's water is sourced from Groundwater. The city has 1 water system serving approximately 685 residents.

Is Elgin's groundwater at risk of contamination?

Elgin 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 Elgin's water compare to other cities?

Elgin ranks #296 out of 436 cities in Iowa (better than 32% of state cities) and #4101 out of 15744 cities nationally (74th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Elgin's small water system affect quality?

Elgin's system serves approximately 685 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.