WaterVerge

Is Bloomfield, IA Tap Water Safe to Drink?

Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: IA2613019
Overall Score
86.4 / 100
Violations
3 active
Last Updated
May 2026
Source
Purchased surface water
#322 of 436 in Iowa Top 30% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
86.4/100
waterverge.com
A- 86.4/100

Bloomfield, IA — Water Quality Report

Bloomfield's drinking water received a grade of A- (86.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,682 residents using purchased surface water.

Lead levels were measured at 1.8 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 88 violations on record, including 41 health-based violations. 3 remain unresolved.

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

What to know about Bloomfield's water

Bloomfield ranks #322 out of 436 cities in Iowa for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Bloomfield may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
86.4 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.2/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.8 ppb (90th percentile).
Contaminants
16.2/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Bloomfield, IA water safe to drink?

Concerns Identified

Bloomfield's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (86.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,682 residents using surface water (rivers, lakes, or reservoirs).

3
Active Violations
1.8 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Bloomfield

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bloomfield's water quality assessment. Grade: A- (86.4/100).

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

1 health-based. Contaminants: Surface Water Treatment Rule.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4119). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Key contaminant findings

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

Lead Within Limits
Detected: 1.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Bloomfield's water system has 88 total violations on record, including 41 health-based violations. 3 remain unresolved.

TTMCLOtherMR
Most recent violations:
Feb 2014 Surface Water Treatment Rule Resolved
Jan 2013 TTHM Resolved
Oct 2012 TTHM Resolved
Aug 2012 Interim Enhanced Surface Water Treatment Rule Resolved
Jul 2012 TTHM Resolved

Flood & environmental risk

Davis County has experienced 7 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.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4421
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4119
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3239

Where does Bloomfield's water come from?

Bloomfield's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,682 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Bloomfield residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Bloomfield's water.

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

Bloomfield'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
1.8 ppb
EPA Action Level: 15 ppb · 12% of limit
Safe Level
NDMA (N-Nitrosodimethylamine)
Disinfection Byproduct
Elevated
5.8 ng/L
CA Public Health Goal: 10 ng/L · 58% of limit
DetectedProbable CarcinogenUCMR 2 Data (2008–2010)
Compliance Record

Violation summary

88
Total violations
41
Health-based
3
Active / unresolved
Feb 2014
Most recent violation
Compliance Record

Violations & advisories

88 Total
3 Active
41 Health-based
85 Resolved
Violations by category
Volatile Organic Chemicals
35
Stage 1 Disinfectants and Disinfection Byproducts Rule
34
Inorganic Chemicals
7
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
5
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Apr 2012 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Oct 1990 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Feb 2014 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Feb 2014
Jan 2013 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2013
Oct 2012 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2012
Aug 2012 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Aug 2012
Jul 2012 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2012
Jul 2012 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jul 2012
Jul 2011 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2011
Apr 2011 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2011
Apr 2011 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2011
Jan 2011 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2011
Jan 2011 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2011
Oct 2010 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Dec 2010
Oct 2010 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2010
Jul 2010 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2010
Jul 2010 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2010
Apr 2010 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2010
Apr 2010 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2010
Showing 20 of 88 violations
Industrial pollution

Top industrial polluters within 10 miles of Bloomfield

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CHEVRON PHILLIPS CHEMICAL CO PERFORMANCE PIPE DIV
Plastics and Rubber · CHEVRON PHILLIPS CHEMICAL CO LLC
BLOOMFIELD, IA52537
1.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

7
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Davis County has experienced 7 federally declared disasters since 1969. 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
May 2013
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4119
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
May 1973
SEVERE STORMS & FLOODING
Flood FEMA #386

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.8 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 10.2 ppb from 1993 (12.0 ppb) to 2024 (1.8 ppb).
Contaminant Rankings

See how Bloomfield compares by contaminant

Explore where Bloomfield ranks among all Iowa cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
2,682
Water Systems
1
Water Source

Where Bloomfield's water comes from

Purchased Surface Water

Bloomfield's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 2,682 people through 1 water system.

Infrastructure

Water systems serving Bloomfield

System Name PWSID Population Source
BLOOMFIELD MUNI WATER DEPT IA2613019 2,682 SWP
Regional Comparison

How Bloomfield compares

Full Iowa rankings →

Bloomfield's score of 86.4/100 is above the average of 72/100 among major Iowa cities. It outscores 9 of 10 nearby cities.

Bloomfield (this city)
86.4
Ames
81.5
Iowa avg
72
City Profile

About Bloomfield, IA

Economic Profile
$58,047
Median Income
$115,778
Median Home Value
$855/mo
Median Rent
1.8%
Unemployment
Community
39.6
Median Age
456
People / sq mi
27.6%
College Educated
70.5%
Homeownership
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Frequently asked questions

Is Bloomfield, IA tap water safe to drink?

Bloomfield's water quality earned a grade of A- (86.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #322 out of 436 cities tested in Iowa.

What contaminants are in Bloomfield's water?

Lead was measured at 1.8 ppb (90th percentile). 88 violations are on record.

How is Bloomfield'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 Bloomfield?

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

Where does Bloomfield's water come from?

Bloomfield's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,682 residents.

What health violations has Bloomfield's water system had?

Bloomfield has 41 health-based violations on record. The most recent violation was recorded in February 2014. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

How does Bloomfield's water compare to other cities?

Bloomfield ranks #322 out of 436 cities in Iowa (better than 26% of state cities) and #4711 out of 15744 cities nationally (70th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Bloomfield's small water system affect quality?

Bloomfield's system serves approximately 2,682 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 88 violations on record.