Water Quality in MIAMI, FL (33170)

EPA violation data for public water systems serving ZIP code 33170.

107

Total Violations

Health-Based

Monitoring / Reporting

106

Resolved

What does this mean?

106 of 107 violations have been resolved. 9 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 98 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 59 Population served: 4,622

Violations Detail (107 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
E. COLI	Monitoring	0	N/A	Jun 30, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jun 30, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Mar 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Mar 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Mar 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
TTHM	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Aug 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Aug 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Nitrate	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
TTHM	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	75.2275	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	75.2275	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	75.2275	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jun 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jun 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	86.7	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	86.7	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	80.155	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	80.155	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	76.6575	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	76.6575	Sep 30, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jun 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jun 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Dec 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Asbestos	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Dec 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Dec 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	May 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Mar 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(2)

E. COLI

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

2024(18)

TTHM

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

TTHM

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Consumer Confidence Rule

Jun 30Active

Total Haloacetic Acids (HAA5)

Jun 30Resolved

TTHM

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

E. COLI

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

TTHM

Mar 31Resolved

E. COLI

Mar 31Resolved

E. COLI

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

E. COLI

Mar 31Resolved

How Does This Compare?

MIAMI (33170) has 107 recorded violations, including 9 health-based. 1 remains unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in MIAMI, FL (33170)

What does this mean?

Violations Detail (107 total)

Lead & Copper Levels

Violation Timeline

2025(2)

2024(18)

2023(55)

2022(15)

2021(17)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code