WaterVerge

Is Ely, 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 ↓

2K residents served 1 water system PWSID: IA5728018
Overall Score
92.3 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#92 of 436 in Iowa Top 8% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
92.3/100
waterverge.com
A 92.3/100

Ely, IA — Water Quality Report

Ely's drinking water received a grade of A (92.3 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 2,328 residents using groundwater.

Lead levels were measured at 4.0 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 0 health-based violations. 1 remains unresolved.

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

What to know about Ely's water

Ely ranks #92 out of 436 cities in Iowa for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
92.3 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.3/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.0 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 Ely, IA water safe to drink?

Use Caution

Ely's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (92.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,328 residents using groundwater (wells).

1
Active Violations
4.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Ely

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ely's water quality assessment. Grade: A (92.3/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4289). 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
2 drinking water violations recorded

Contaminants: Arsenic, Nitrate.

Violation
1 drinking water violation recorded

Contaminants: Gross Alpha, Excl. Radon and U.

Key contaminant findings

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

Lead Within Limits
Detected: 4.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Ely's water system has 7 total violations on record, including 0 health-based violations. 1 remain unresolved.

MONMR
Most recent violations:
May 2019 Revised Total Coliform Rule Resolved
Oct 2000 Arsenic Resolved
Oct 2000 Nitrate Resolved
Jan 1991 Gross Alpha, Excl. Radon and U Resolved
Jul 1987 Gross Alpha, Excl. Radon and U Resolved

Flood & environmental risk

Linn County has experienced 10 federally declared disasters since 1969. 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 Cedar River At Edgewood Road At Cedar Rapids, Cedar River At Cedar Rapids, Cedar River Below Indian Creek At Cedar Rapids.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4289
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3239
SEVERE STORMS AND FLOODING
Flood FEMA DR-1420

Where does Ely's water come from?

Ely's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,328 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Cedar River At Edgewood Road At Cedar Rapids (river), Cedar River At Cedar Rapids (river), Cedar River Below Indian Creek At Cedar Rapids (river).

What Ely 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

Ely'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
4.0 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
Compliance Record

Violation summary

7
Total violations
0
Health-based
1
Active / unresolved
May 2019
Most recent violation
Compliance Record

Violations & advisories

7 Total
1 Active
0 Health-based
6 Resolved
Violations by category
Nitrate Rule
2
Radionuclides and Revised Rad Rule
2
Revised Total Coliform Rule
1
Arsenic Rule
1
Active
Compliance Violation
Monitoring 0
May 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2019
Oct 2000 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2001
Oct 2000 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2000
Jan 1991 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jul 1987 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1991
Jul 1986 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1989
Industrial pollution

Top industrial polluters within 10 miles of Ely

Industrial polluters nearby

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

Total reported releases to surface water: 762 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
PMX INDUSTRIES INC
Primary Metals · PMX INDUSTRIES INC
CEDAR RAPIDS, IA52404
Copper compounds6036.3 mi
RED STAR YEAST CO LLC
Food · LESAFFRE INTERNATIONAL
CEDAR RAPIDS, IA52404
Nitrate compounds (water dissociable; reportable only when in aqueous solution)1485.6 mi
CARGILL INC CORN MILLING
Food · CARGILL INC
CEDAR RAPIDS, IA52401
Acetaldehyde86.9 mi
PRAIRIE CREEK GENERATING STATION
Electric Utilities · ALLIANT ENERGY CORP
CEDAR RAPIDS, IA52404
Barium And Barium Compounds25.1 mi
HIGHWAY EQUIPMENT CO
Machinery · NA
CEDAR RAPIDS, IA52404
Manganese15.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Oct 2016
Most recent
Flood
Most common type

Linn County has experienced 10 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4289
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3239
Jun 2002
SEVERE STORMS AND FLOODING
Flood FEMA #1420
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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.0 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 5.0 ppb from 1993 (9.0 ppb) to 2024 (4.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,328
Water Systems
1
Water Source

Where Ely's water comes from

Groundwater

Ely'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 2,328 people through 1 water system.

Local Hydrology

Water bodies near Ely

Ely is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Cedar River At Edgewood Road At Cedar Rapids
river
Cedar River At Cedar Rapids
river
Cedar River Below Indian Creek At Cedar Rapids
river
Infrastructure

Water systems serving Ely

System Name PWSID Population Source
ELY WATER SUPPLY IA5728018 2,328 GW
Regional Comparison

How Ely compares

Full Iowa rankings →

Ely's score of 92.3/100 is above the average of 72/100 among major Iowa cities. It outscores 10 of 10 nearby cities.

Ely (this city)
92.3
Ames
81.5
Iowa avg
72
City Profile

About Ely, IA

Economic Profile
$97,188
Median Income
$268,358
Median Home Value
$948/mo
Median Rent
2.9%
Unemployment
Community
36.2
Median Age
482
People / sq mi
35.2%
College Educated
79.5%
Homeownership
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Frequently asked questions

Is Ely, IA tap water safe to drink?

Ely's water quality earned a grade of A (92.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #92 out of 436 cities tested in Iowa.

What contaminants are in Ely's water?

Lead was measured at 4.0 ppb (90th percentile). 7 violations are on record.

How is Ely'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 Ely?

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

Where does Ely's water come from?

Ely's water is sourced from Groundwater. The city has 1 water system serving approximately 2,328 residents.

Is Ely's groundwater at risk of contamination?

Ely 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 Ely's water compare to other cities?

Ely ranks #92 out of 436 cities in Iowa (better than 79% of state cities) and #1288 out of 15744 cities nationally (92th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Ely's small water system affect quality?

Ely's system serves approximately 2,328 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.