Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Miami, FL 33128
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Miami-Dade County.
No active health-based violation reported
- Largest possible serving system
- Mdwasa - Main System
- Source water
- Groundwater
- County
- Miami-Dade County
- Profile updated
Your tap water
What does the utility report?
Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.
Utility hardness unavailable in this index
Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.
Find an official utility report →At a glance
What the current records say
EPA quarter 2026Q2
All possible systems
No active flag
0 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
6 systems
Serves 2,377,460 people system-wide
Match the name on your water bill
Your utility’s measurements and compliance records
These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.
EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.
Mdwasa - Main System
FL4130871 · Groundwater · 2,377,460 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.0031 mg/L
- Action level
- 0.015 mg/L
21% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 1, 2023
Violation history (6)
| Rule | Status | Period |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Archived | Apr 1, 2024 to Jun 30, 2024 |
| TTHM | Archived | Apr 1, 2024 to Jun 30, 2024 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2023 to Dec 31, 2023 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2023 to Oct 31, 2023 |
| TTHM | Archived | Oct 1, 2023 to Dec 31, 2023 |
| Total Haloacetic Acids (HAA5) | Archived | Oct 1, 2023 to Dec 31, 2023 |
Mdwasa/rex Utilities
FL4131202 · Groundwater · 45,200 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.001 mg/L
- Action level
- 0.015 mg/L
7% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 1, 2023
Violation history (13)
| Rule | Status | Period |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Archived | Oct 1, 2023 to Dec 31, 2023 |
| Revised Total Coliform Rule | Archived | Oct 1, 2023 to Oct 31, 2023 |
| TTHM | Archived | Oct 1, 2023 to Dec 31, 2023 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2023 |
| Revised Total Coliform Rule | Archived | Aug 1, 2022 to Aug 31, 2022 |
| Total Haloacetic Acids (HAA5) | Archived | Jul 1, 2022 to Sep 30, 2022 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2022 |
| TTHM | Archived | Jul 1, 2022 to Sep 30, 2022 |
| Revised Total Coliform Rule | Archived | May 1, 2022 to May 31, 2022 |
| Total Haloacetic Acids (HAA5) | Archived | Apr 1, 2022 to Jun 30, 2022 |
| TTHM | Archived | Apr 1, 2022 to Jun 30, 2022 |
| Total Haloacetic Acids (HAA5) | Archived | Jan 1, 2022 to Mar 31, 2022 |
| TTHM | Archived | Jan 1, 2022 to Mar 31, 2022 |
Americana Village
FL4131403 · Groundwater · 2,500 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.001 mg/L
- Action level
- 0.015 mg/L
7% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 1, 2025
Violation history (22)
| Rule | Status | Period |
|---|---|---|
| TTHM | Archived | Oct 1, 2024 to Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | Archived | Oct 1, 2024 to Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | Archived | Jan 1, 2024 to Mar 31, 2024 |
| TTHM | Archived | Jan 1, 2024 to Mar 31, 2024 |
| E. COLI | Resolved | Dec 1, 2023 to Dec 31, 2023 |
| Revised Total Coliform Rule | Archived | Dec 1, 2023 to Dec 31, 2023 |
| Revised Total Coliform Rule | Archived | Nov 1, 2023 to Nov 30, 2023 |
| E. COLI | Archived | Nov 1, 2023 to Nov 30, 2023 |
| Total Haloacetic Acids (HAA5) | Archived | Oct 1, 2023 to Dec 31, 2023 |
| TTHM | Archived | Oct 1, 2023 to Dec 31, 2023 |
| Revised Total Coliform Rule | Archived | Oct 1, 2023 to Oct 31, 2023 |
| E. COLI | Archived | Oct 1, 2023 to Oct 31, 2023 |
| E. COLI | Resolved | Sep 1, 2023 to Sep 30, 2023 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2023 to Sep 30, 2023 |
| E. COLI | Resolved | Aug 1, 2023 to Aug 31, 2023 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2023 to Aug 31, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Feb 22, 2024 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2023 to Jul 31, 2023 |
| E. COLI | Resolved | Jul 1, 2023 to Jul 31, 2023 |
| Nitrate | Archived | Jan 1, 2023 to Dec 31, 2023 |
| Lead and Copper Rule | Unaddressed | Jan 1, 2022 |
| Lead and Copper Rule | Unaddressed | Jul 1, 2012 |
Silver Palm Mobile Homes
FL4131312 · Groundwater · 250 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.0015 mg/L
- Action level
- 0.015 mg/L
10% of the listed benchmark
Monitoring period: Jan 1, 2024 to Dec 1, 2024
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Jul 1, 2024 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2023 to Sep 30, 2023 |
| E. COLI | Resolved | Sep 1, 2023 to Sep 30, 2023 |
Redland Mhc, Llc
FL4130588 · Groundwater · 160 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 9.0e-4 mg/L
- Action level
- 0.015 mg/L
6% of the listed benchmark
Monitoring period: Jan 1, 2024 to Dec 1, 2024
Violation history (4)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Jul 1, 2024 |
| E. COLI | Archived | Sep 1, 2023 to Sep 30, 2023 |
| Revised Total Coliform Rule | Archived | Sep 1, 2023 to Sep 30, 2023 |
| Lead and Copper Rule | Unaddressed | Jan 1, 2006 |
Jones' Trailer Park
FL4130833 · Groundwater · 100 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 5.0e-4 mg/L
- Action level
- 0.015 mg/L
3% of the listed benchmark
Monitoring period: Jan 1, 2025 to Dec 1, 2025
Violation history (7)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Jul 1, 2024 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2023 |
| Revised Total Coliform Rule | Archived | Jan 1, 2023 to Jan 31, 2023 |
| E. COLI | Archived | Jan 1, 2023 to Jan 31, 2023 |
| Lead and Copper Rule | Unaddressed | Jan 1, 2023 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2022 |
| Asbestos | Resolved | Jan 1, 2021 to Dec 31, 2021 |
Hardness meter
What does nearby environmental evidence show?
264
PPM as CaCO₃
Very Hard
PPM
264
GPG
15.4
Regional environmental evidence
USGS hardness classification scale
264 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
264
mg/L as CaCO₃ equivalent
Grains per gallon
15.4
1 GPG ≈ 17.1 PPM
How to use regional evidence
These samples describe nearby environmental water. They cannot establish whether your tap water is soft or hard. Use a utility result or a tap test for appliance settings and treatment sizing.
USGS sites used
45
Nearest site
3 mi
Observation range
Jun 8, 2016–Mar 23, 2023
Regional evidence confidence
Moderate
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: G -3977S (Well).USGS source documentation ↗Evidence tier: Regional environmental evidence. This value is not used as proof of the serving utility's treated-water hardness.
Regional context
Is 33128 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Miami median
261 PPM
About the same19 indexed ZIP readings · Range 257–267.5 PPM
Florida median
280 PPM
16 PPM lower498 indexed ZIP readings · Range 42.2–2300 PPM
Evidence-first next steps
Confirm the problem before choosing treatment
This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.
Confirm the serving system
ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.
Read the current utility report
Use the current Consumer Confidence Report for treated-water results and official notices.
Find an official utility report →Test for the decision you face
Use a tap hardness test before sizing a softener. For health concerns, use a certified laboratory and the correct sampling protocol.
Convert your hardness test result →Nearby indexed reports
More local profiles in Miami
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Miami
Is tap water safe in Miami?+
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
How hard is the water?+
Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.
Do I need a water softener?+
Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.