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City water profile

Water hardness in Marana

Find official utility reports, understand hardness, and check the water system serving your home in Marana, Arizona.

Utility-reported hardness

Not yet available

Check your provider and source →
State comparison
Unavailable
Evidence comparison rank
—
Matched utilities
10
Active health records
2

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 →
Convert a hardness result →Test your tap →

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.

Marana Municipal - Marana

AZ0410150 · Groundwater · 15,162 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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

Violation history (2)
Imported violation history for Marana Municipal - Marana
RuleStatusPeriod
ChlorineResolvedOct 1, 2023 to Dec 31, 2023
ChlorineResolvedJul 1, 2021 to Sep 30, 2021

Marana Municipal - Picture Rocks

AZ0410092 · Groundwater · 5,278 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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (1)
Imported violation history for Marana Municipal - Picture Rocks
RuleStatusPeriod
ChlorineResolvedJul 1, 2021 to Sep 30, 2021

Marana Municipal - Hartman Vistas

AZ0410329 · Groundwater · 5,248 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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (1)
Imported violation history for Marana Municipal - Hartman Vistas
RuleStatusPeriod
ChlorineResolvedJul 1, 2021 to Sep 30, 2021

Marana Municipal - Airline Lambert

AZ0410138 · Groundwater · 4,568 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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (1)
Imported violation history for Marana Municipal - Airline Lambert
RuleStatusPeriod
ChlorineResolvedJul 1, 2021 to Sep 30, 2021

Marana Dwid - Derringer

AZ0410139 · Groundwater · 1,950 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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (38)
Imported violation history for Marana Dwid - Derringer
RuleStatusPeriod
Lead and Copper RuleResolvedJan 1, 2025 to Nov 12, 2025
LEAD AND COPPER RULE REVISIONSResolvedOct 17, 2024 to Nov 27, 2024
LEAD AND COPPER RULE REVISIONSHealth-basedResolvedOct 17, 2024 to Nov 27, 2024
Lead and Copper RuleResolvedOct 1, 2024 to Nov 18, 2024
Total Haloacetic Acids (HAA5)ResolvedJul 1, 2024 to Sep 30, 2024
TTHMResolvedJul 1, 2024 to Sep 30, 2024
Public NoticeResolvedOct 2, 2022 to Aug 29, 2023
Public NoticeResolvedOct 2, 2022 to Aug 29, 2023
Public NoticeResolvedApr 2, 2022 to Aug 29, 2023
Consumer Confidence RuleResolvedOct 2, 2021 to Oct 5, 2021
Lead and Copper RuleResolvedSep 5, 2021 to Dec 31, 2021
cis-1,2-DichloroethyleneResolvedJul 1, 2021 to Sep 30, 2021
Xylenes, TotalResolvedJul 1, 2021 to Sep 30, 2021
DICHLOROMETHANEResolvedJul 1, 2021 to Sep 30, 2021
o-DichlorobenzeneResolvedJul 1, 2021 to Sep 30, 2021
p-DichlorobenzeneResolvedJul 1, 2021 to Sep 30, 2021
Vinyl chlorideResolvedJul 1, 2021 to Sep 30, 2021
trans-1,2-DichloroethyleneResolvedJul 1, 2021 to Sep 30, 2021
1,1,1-TrichloroethaneResolvedJul 1, 2021 to Sep 30, 2021
1,2-DichloropropaneResolvedJul 1, 2021 to Sep 30, 2021
TrichloroethyleneResolvedJul 1, 2021 to Sep 30, 2021
1,1,2-TrichloroethaneResolvedJul 1, 2021 to Sep 30, 2021
BenzeneResolvedJul 1, 2021 to Sep 30, 2021
EthylbenzeneResolvedJul 1, 2021 to Sep 30, 2021
StyreneResolvedJul 1, 2021 to Sep 30, 2021
CHLOROBENZENEResolvedJul 1, 2021 to Sep 30, 2021
1,2,4-TrichlorobenzeneResolvedJul 1, 2021 to Sep 30, 2021
NitrateResolvedJul 1, 2021 to Sep 30, 2021
Consumer Confidence RuleResolvedJul 1, 2021 to Oct 5, 2021
1,1-DichloroethyleneResolvedJul 1, 2021 to Sep 30, 2021
1,2-DichloroethaneResolvedJul 1, 2021 to Sep 30, 2021
TetrachloroethyleneResolvedJul 1, 2021 to Sep 30, 2021
TolueneResolvedJul 1, 2021 to Sep 30, 2021
Carbon tetrachlorideResolvedJul 1, 2021 to Sep 30, 2021
Revised Total Coliform RuleResolvedMay 1, 2021 to May 31, 2021
Groundwater RuleHealth-basedResolvedApr 9, 2021 to Apr 23, 2021
ChlorineResolvedApr 1, 2021 to Jun 30, 2021
NitrateResolvedJan 1, 2021 to Mar 31, 2021

Marana Municipal - Silverbell Gateway

AZ0410501 · Groundwater · 750 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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2024 to Jun 30, 2024

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Marana Dwid - Culver

AZ0410070 · Groundwater · 709 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

2 reported active health-based record(s) for this system

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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (15)
Imported violation history for Marana Dwid - Culver
RuleStatusPeriod
Lead and Copper RuleResolvedJan 1, 2025 to Oct 12, 2025
LEAD AND COPPER RULE REVISIONSResolvedOct 17, 2024 to Dec 9, 2024
LEAD AND COPPER RULE REVISIONSHealth-basedResolvedOct 17, 2024 to Dec 9, 2024
Lead and Copper RuleResolvedOct 1, 2024 to Nov 18, 2024
TTHMResolvedJul 1, 2024 to Sep 30, 2024
Total Haloacetic Acids (HAA5)ResolvedJul 1, 2024 to Sep 30, 2024
Consumer Confidence RuleResolvedOct 2, 2021 to Oct 5, 2021
Lead and Copper RuleResolvedSep 5, 2021 to Dec 31, 2021
TTHMResolvedAug 1, 2021 to Jul 31, 2022
Total Haloacetic Acids (HAA5)ResolvedAug 1, 2021 to Jul 31, 2022
Consumer Confidence RuleResolvedJul 1, 2021 to Aug 26, 2021
Revised Total Coliform RuleResolvedMay 1, 2021 to May 31, 2021
Groundwater RuleHealth-basedUnaddressedApr 9, 2021
Groundwater RuleHealth-basedUnaddressedApr 9, 2021
ChlorineResolvedApr 1, 2021 to Jun 30, 2021

Marana Municipal - Tortolita Mountain

AZ0410505 · Groundwater · 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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2026 to Jun 30, 2026

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Rancho Tierra Blanca Poa

AZ0410272 · Groundwater · 126 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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (1)
Imported violation history for Rancho Tierra Blanca Poa
RuleStatusPeriod
Consumer Confidence RuleResolvedOct 2, 2021 to Dec 29, 2021

Marana Municipal - Palo Verde

AZ0410136 · Groundwater · 118 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

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (1)
Imported violation history for Marana Municipal - Palo Verde
RuleStatusPeriod
ChlorineResolvedJul 1, 2021 to Sep 30, 2021

City summary

What the indexed records say

Marana has 2 published ZIP profiles across Pima County and Pinal County. The regional-evidence median is 210 PPM. The city does not meet the stricter comparison standard.

The 209.5–209.5 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard2 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
16.4 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: Jan 11, 2016 to Aug 16, 2016.

ZIP directory

Water reports in Marana

Open a ZIP for site-level provenance and measurements.

ZIP code

85653

Very Hard

209.5 PPM

Nearest site
16.4 mi
Confidence
Low

View full ZIP evidence →

ZIP code

85658

Very Hard

209.5 PPM

Nearest site
12.9 mi
Confidence
Low

View full ZIP evidence →

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Marana

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.