WaterVerge

Is North English, 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 ↓

1K residents served 1 water system PWSID: IA4858070
Overall Score
93.9 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#35 of 436 in Iowa Top 4% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93.9/100
waterverge.com
A 93.9/100

North English, IA — Water Quality Report

North English's drinking water received a grade of A (93.9 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,065 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 16 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 North English's water

North English ranks #35 out of 436 cities in Iowa for water quality, placing it one of the best in the state.

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

Quality Breakdown

Water quality score

See methodology →
93.9 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
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 North English, IA water safe to drink?

Use Caution

North English's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93.9/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,065 residents using groundwater (wells).

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

Recent water quality updates for North English

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into North English's water quality assessment. Grade: A (93.9/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4430). Flood event — may have impacted local water infrastructure.

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: Nitrate.

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 North English's water supply.

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

Well within EPA limits.

Violation history

North English's water system has 16 total violations on record, including 0 health-based violations. 2 remain unresolved.

MR
Most recent violations:
Jul 2006 Nitrate Resolved
Dec 1993 Coliform (TCR) Resolved
Nov 1993 Coliform (TCR) Resolved
Jan 1993 Coliform (TCR) Resolved
Dec 1992 Coliform (TCR) Resolved

Flood & environmental risk

Iowa County has experienced 10 federally declared disasters since 1974. 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-4430
SEVERE STORMS AND FLOODING
Flood FEMA DR-4421
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4184

Where does North English's water come from?

North English's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,065 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What North English 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

North English'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

16
Total violations
0
Health-based
2
Active / unresolved
Jul 2006
Most recent violation
Compliance Record

Violations & advisories

16 Total
2 Active
0 Health-based
14 Resolved
Violations by category
Inorganic Chemicals
6
Total Coliform Rule
5
Nitrate Rule
2
Lead and Copper Rule
1
Arsenic Rule
1
Oct 1990 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2006 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2007
Dec 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1993
Nov 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1993
Jan 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1993
Dec 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1992
Dec 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1992
Apr 1988 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1991
Apr 1988 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1991
Apr 1988 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1991
Apr 1988 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1991
Apr 1988 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1991
Apr 1988 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1991
Apr 1988 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1991
Apr 1988 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1991
Environmental Risk

Flood & disaster history

10
Declared disasters
Apr 2019
Most recent
Flood
Most common type

Iowa County has experienced 10 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Apr 2019
SEVERE STORMS AND FLOODING
Flood FEMA #4430
Mar 2019
SEVERE STORMS AND FLOODING
Flood FEMA #4421
Jul 2014
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4184
May 2013
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4119
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3239
Jun 2002
SEVERE STORMS AND FLOODING
Flood FEMA #1420

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 0.0 ppb from 1994 (0.0 ppb) to 2024 (0.0 ppb).
Contaminant Rankings

See how North English compares by contaminant

Explore where North English ranks among all Iowa cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,065
Water Systems
1
Water Source

Where North English's water comes from

Groundwater

North English'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 1,065 people through 1 water system.

Infrastructure

Water systems serving North English

System Name PWSID Population Source
NORTH ENGLISH WATER DEPARTMENT IA4858070 1,065 GW
Regional Comparison

How North English compares

Full Iowa rankings →

North English's score of 93.9/100 is above the average of 72/100 among major Iowa cities. It outscores 10 of 10 nearby cities.

North English (this city)
93.9
Ames
81.5
Iowa avg
72
City Profile

About North English, IA

Economic Profile
$47,656
Median Income
$96,550
Median Home Value
$674/mo
Median Rent
1.3%
Unemployment
Community
38.8
Median Age
525
People / sq mi
17.4%
College Educated
67.4%
Homeownership
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Frequently asked questions

Is North English, IA tap water safe to drink?

North English's water quality earned a grade of A (93.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #35 out of 436 cities tested in Iowa.

What contaminants are in North English's water?

Lead was measured at 0.0 ppb (90th percentile). 16 violations are on record.

How is North English'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 North English?

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

Where does North English's water come from?

North English's water is sourced from Groundwater. The city has 1 water system serving approximately 1,065 residents.

Is North English's groundwater at risk of contamination?

North English 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 16 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 North English's water compare to other cities?

North English ranks #35 out of 436 cities in Iowa (better than 92% of state cities) and #685 out of 15744 cities nationally (96th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does North English's small water system affect quality?

North English's system serves approximately 1,065 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 16 violations on record.