City water profile

Water hardness in Erie

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

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 0

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.

Erie City Water Authority

PA6250028 · Surface water · 220,001 people served system-wide

A municipal system, in-state city, and served county all agree with this Census 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: 0.0011 mg/L
Action level: 0.015 mg/L

7% of the listed benchmark

Monitoring period: Jun 1, 2025 to Sep 30, 2025

Violation history (16)

Imported violation history for Erie City Water Authority
Rule	Status	Period
Revised Total Coliform Rule	Archived	Apr 1, 2026 to Apr 30, 2026
Interim Enhanced Surface Water Treatment Rule	Resolved	Feb 1, 2026 to Feb 28, 2026
Revised Total Coliform Rule	Resolved	Aug 11, 2025 to Dec 17, 2025
Revised Total Coliform Rule	Resolved	Sep 1, 2024 to Sep 30, 2024
Surface Water Treatment Rule	Resolved	Feb 1, 2024 to Feb 29, 2024
Interim Enhanced Surface Water Treatment Rule	Resolved	Aug 1, 2023 to Aug 31, 2023
Interim Enhanced Surface Water Treatment Rule	Resolved	Jul 1, 2023 to Jul 31, 2023
Total Haloacetic Acids (HAA5)	Resolved	Apr 1, 2023 to Jun 30, 2023
TTHM	Resolved	Apr 1, 2023 to Jun 30, 2023
CARBON, TOTAL	Resolved	Dec 1, 2022 to Feb 1, 2023
CARBON, TOTAL	Resolved	Nov 1, 2022 to Jan 31, 2023
Interim Enhanced Surface Water Treatment Rule	Resolved	Nov 1, 2022 to Nov 30, 2022
CARBON, TOTAL	Resolved	Oct 1, 2022 to Dec 31, 2022
CARBON, TOTAL	Resolved	Mar 1, 2022 to May 24, 2022
CARBON, TOTAL	Resolved	Mar 1, 2021 to May 17, 2021
2,4-D	Resolved	Jan 1, 2021 to Mar 31, 2021

City summary

What the indexed records say

Erie has 12 published ZIP profiles across Erie County. The regional-evidence median is 70 PPM. The city does not meet the stricter comparison standard.

The 70–70 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 hard9 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

9 of 12 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 23.9 miles
Profiles with evidence: 9/12

Confidence labels

High: 0Moderate: 0Low: 9

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

Continue comparing

Other Pennsylvania communities

Edinboro

Erie County

171 PPM median

Waterford

Erie County

158 PPM median

Summit Hill

Carbon County

61 PPM median

Altoona

Blair County

53 PPM median

Irvona

Clearfield County

53 PPM median

Palmerton

Carbon County

52 PPM median

Search all 50 Pennsylvania cities →

Questions people ask

About water in Erie

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.