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City water profile

Water hardness in Middletown

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

Utility-reported hardness

Not yet available

Check your provider and source →
State comparison
Unavailable
Evidence comparison rank
—
Matched utilities
4
Active health records
1

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.

Middletown Water Department

CT0830011 · Surface water · 41,019 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, 2025 to Dec 31, 2025

Violation history (3)
Imported violation history for Middletown Water Department
RuleStatusPeriod
Consumer Confidence RuleResolvedAug 10, 2025 to Aug 28, 2025
Consumer Confidence RuleResolvedJul 1, 2025 to Jul 18, 2025
Consumer Confidence RuleResolvedJul 1, 2023 to Aug 24, 2023

Berlin Water Control Commission

CT0070021 · Surface water · 5,128 people served system-wide

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

1 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 (29)
Imported violation history for Berlin Water Control Commission
RuleStatusPeriod
LEAD AND COPPER RULE REVISIONSHealth-basedUnaddressedOct 17, 2024
cis-1,2-DichloroethyleneResolvedJan 1, 2024 to Mar 31, 2024
DICHLOROMETHANEResolvedJan 1, 2024 to Mar 31, 2024
o-DichlorobenzeneResolvedJan 1, 2024 to Mar 31, 2024
Carbon tetrachlorideResolvedJan 1, 2024 to Mar 31, 2024
TetrachloroethyleneResolvedJan 1, 2024 to Mar 31, 2024
CHLOROBENZENEResolvedJan 1, 2024 to Mar 31, 2024
Vinyl chlorideResolvedJan 1, 2024 to Mar 31, 2024
1,2-DichloroethaneResolvedJan 1, 2024 to Mar 31, 2024
1,1,1-TrichloroethaneResolvedJan 1, 2024 to Mar 31, 2024
1,1-DichloroethyleneResolvedJan 1, 2024 to Mar 31, 2024
Total Haloacetic Acids (HAA5)ResolvedJan 1, 2024 to Mar 31, 2024
1,2-DichloropropaneResolvedJan 1, 2024 to Mar 31, 2024
StyreneResolvedJan 1, 2024 to Mar 31, 2024
1,1,2-TrichloroethaneResolvedJan 1, 2024 to Mar 31, 2024
BenzeneResolvedJan 1, 2024 to Mar 31, 2024
trans-1,2-DichloroethyleneResolvedJan 1, 2024 to Mar 31, 2024
TolueneResolvedJan 1, 2024 to Mar 31, 2024
p-DichlorobenzeneResolvedJan 1, 2024 to Mar 31, 2024
EthylbenzeneResolvedJan 1, 2024 to Mar 31, 2024
TTHMResolvedJan 1, 2024 to Mar 31, 2024
TrichloroethyleneResolvedJan 1, 2024 to Mar 31, 2024
1,2,4-TrichlorobenzeneResolvedJan 1, 2024 to Mar 31, 2024
Consumer Confidence RuleResolvedJul 1, 2022 to Oct 5, 2022
Gross Alpha, Excl. Radon and UResolvedJan 1, 2022 to Dec 31, 2024
Combined UraniumResolvedJan 1, 2022 to Dec 31, 2024
Combined Radium (-226 and -228)ResolvedJan 1, 2022 to Dec 31, 2024
Total Haloacetic Acids (HAA5)ResolvedJan 1, 2021 to Mar 31, 2021
TTHMResolvedJan 1, 2021 to Mar 31, 2021

Portland Water Department

CT1130011 · Surface water · 5,010 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 (2)
Imported violation history for Portland Water Department
RuleStatusPeriod
Lead and Copper RuleResolvedDec 30, 2025 to Mar 16, 2026
Lead and Copper RuleResolvedDec 30, 2022 to Feb 10, 2023

Connecticut Valley Hospital

CT0830021 · Surface water · 2,928 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, 2025 to Dec 31, 2025

Violation history (4)
Imported violation history for Connecticut Valley Hospital
RuleStatusPeriod
Consumer Confidence RuleResolvedJul 1, 2025 to Jul 15, 2025
Consumer Confidence RuleResolvedJul 1, 2024 to Aug 7, 2024
Consumer Confidence RuleResolvedAug 10, 2023 to Aug 30, 2023
Consumer Confidence RuleResolvedJul 1, 2023 to Jul 6, 2023

City summary

What the indexed records say

Middletown has 2 published ZIP profiles across Middlesex County. The regional-evidence median is 64 PPM. The city does not meet the stricter comparison standard.

The 64.3–64.3 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard2 ZIPs
Hard0 ZIPs
Very hard0 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
5.3 miles
Profiles with evidence
2/2

Confidence labels

High: 2Moderate: 0Low: 0

Observation window: May 9, 2016 to Jun 1, 2026.

ZIP directory

Water reports in Middletown

Open a ZIP for site-level provenance and measurements.

ZIP code

06457

Moderately Hard

64.3 PPM

Nearest site
5.3 mi
Confidence
High

View full ZIP evidence →

ZIP code

06459

Moderately Hard

64.3 PPM

Nearest site
4.9 mi
Confidence
High

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 Middletown

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.