WaterVerge

Is Lowden, 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 ↓

807 residents served 1 water system PWSID: IA1656001
Overall Score
89.4 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#235 of 436 in Iowa Top 18% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.4/100
waterverge.com
A- 89.4/100

Lowden, IA — Water Quality Report

Lowden's drinking water received a grade of A- (89.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 807 residents using groundwater.

Lead levels were measured at 2.0 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 4 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 Lowden's water

Lowden ranks #235 out of 436 cities in Iowa for water quality, placing it below average in the state.

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

Quality Breakdown

Water quality score

See methodology →
89.4 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
20/20
A
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Lowden, IA water safe to drink?

Use Caution

Lowden's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (89.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 807 residents using groundwater (wells).

2
Active Violations
2.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Lowden

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Lowden's water quality assessment. Grade: A- (89.4/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4119). 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

Contaminants: Coliform (TCR).

Key contaminant findings

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

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Lowden's water system has 4 total violations on record, including 0 health-based violations. 2 remain unresolved.

MONOtherMR
Most recent violations:
Mar 2018 Revised Total Coliform Rule Resolved
Jul 2013 Consumer Confidence Rule Open
May 1999 Coliform (TCR) Resolved

Flood & environmental risk

Cedar County has experienced 8 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, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4119
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3239
SEVERE STORMS AND FLOODING
Flood FEMA DR-1420

Where does Lowden's water come from?

Lowden's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 807 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Lowden 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

Lowden'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
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

4
Total violations
0
Health-based
2
Active / unresolved
Mar 2018
Most recent violation
Compliance Record

Violations & advisories

4 Total
2 Active
0 Health-based
2 Resolved
Violations by category
Revised Total Coliform Rule
1
Consumer Confidence Rule
1
Total Coliform Rule
1
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Mar 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Mar 2018
May 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 1999
Industrial pollution

Top industrial polluters within 10 miles of Lowden

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
PURINA ANIMAL NUTRITION LLC - CLARENCE
Food · LAND O LAKES INC
CLARENCE, IA52216
6.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

8
Declared disasters
May 2013
Most recent
Flood
Most common type

Cedar County has experienced 8 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

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
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) 2.0 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 8.0 ppb from 1993 (10.0 ppb) to 2024 (2.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
807
Water Systems
1
Water Source

Where Lowden's water comes from

Groundwater

Lowden'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 807 people through 1 water system.

Infrastructure

Water systems serving Lowden

System Name PWSID Population Source
LOWDEN WATER SUPPLY IA1656001 807 GW
Regional Comparison

How Lowden compares

Full Iowa rankings →

Lowden's score of 89.4/100 is above the average of 72/100 among major Iowa cities. It outscores 10 of 10 nearby cities.

Lowden (this city)
89.4
Ames
81.5
Iowa avg
72
City Profile

About Lowden, IA

Economic Profile
$57,969
Median Income
$103,508
Median Home Value
$847/mo
Median Rent
6.6%
Unemployment
Community
40.4
Median Age
269
People / sq mi
23.8%
College Educated
82.9%
Homeownership
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Frequently asked questions

Is Lowden, IA tap water safe to drink?

Lowden's water quality earned a grade of A- (89.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #235 out of 436 cities tested in Iowa.

What contaminants are in Lowden's water?

Lead was measured at 2.0 ppb (90th percentile). 4 violations are on record.

How is Lowden'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 Lowden?

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

Where does Lowden's water come from?

Lowden's water is sourced from Groundwater. The city has 1 water system serving approximately 807 residents.

Is Lowden's groundwater at risk of contamination?

Lowden 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 4 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 Lowden's water compare to other cities?

Lowden ranks #235 out of 436 cities in Iowa (better than 46% of state cities) and #2858 out of 15744 cities nationally (82th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Lowden's small water system affect quality?

Lowden's system serves approximately 807 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 4 violations on record.