Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Lafayette, IN 47901
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Tippecanoe County.
1 active health-based record(s) across possible systems
- Largest possible serving system
- Lafayette Water Works
- Source water
- Groundwater
- County
- Tippecanoe 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
Review needed
1 active health-based record
Measurements by utility
Each result belongs to a specific system.
Utility match
6 systems
Serves 70,835 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.
Lafayette Water Works
IN5279013 · Groundwater · 70,835 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 (2)
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
- 0.0038 mg/L
- Action level
- 0.015 mg/L
25% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.7 mg/L
- Action level
- 1.3 mg/L
131% of the listed benchmark
Monitoring period: Jul 1, 1992 to Dec 31, 1992
Violation history (4)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Jan 1, 2026 to Feb 18, 2026 |
| E. COLI | Resolved | Jul 13, 2025 to Jul 16, 2025 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2025 to Jul 31, 2025 |
| Revised Total Coliform Rule | Resolved | May 1, 2021 to Jun 25, 2021 |
Wildcat Highlands
IN5279026 · Groundwater · 360 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 (2)
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 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.39 mg/L
- Action level
- 1.3 mg/L
107% of the listed benchmark
Monitoring period: Jan 1, 2024 to Jun 30, 2024
Violation history (9)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Jan 1, 2025 to Apr 30, 2025 |
| Lead and Copper Rule | Resolved | Aug 1, 2024 to Sep 13, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Aug 26, 2024 |
| Lead and Copper Rule | Resolved | Jan 1, 2023 to Sep 14, 2023 |
| Lead and Copper Rule | Resolved | Jan 1, 2023 to May 16, 2023 |
| Lead and Copper RuleHealth-based | Addressed | Jan 1, 2023 |
| Arsenic | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Lead and Copper RuleHealth-based | Resolved | Jan 1, 2022 to May 31, 2023 |
| Arsenic | Resolved | Jan 1, 2021 to Mar 31, 2021 |
Shadeland Mobile Home Park
IN5279017 · 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
- 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)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Dec 5, 2025 |
Modernaire Trailer Court
IN5279014 · Groundwater · 105 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 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)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Aug 20, 2024 |
Royal Oaks Estates Llc
IN5279016 · Groundwater · 95 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 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2025 to Dec 31, 2025
Violation history (5)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Unaddressed | Jan 1, 2026 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Aug 5, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Aug 3, 2023 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2023 to Mar 31, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Oct 7, 2025 |
Kings Ridge Homeowners Association
IN5279023 · Groundwater · 90 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
- 6.3e-4 mg/L
- Action level
- 0.015 mg/L
4% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (2)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Nov 3, 2025 |
| Arsenic | Resolved | Jan 1, 2021 to Mar 31, 2021 |
Hardness estimate unavailable
No responsible local estimate yet
We did not find enough qualifying recent USGS hardness observations within 25 miles of this ZIP centroid. We leave the value blank instead of substituting a state average. Ask the serving utility or test the household tap for a property-specific result.
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
An active health-based record is present. Follow the utility's current notice and public-health instructions.
Find an official utility report →Test for the decision you face
Ask the utility for hardness or test at the tap. For health concerns, use a certified laboratory and targeted analysis.
Convert your hardness test result →Nearby indexed reports
More local profiles in Lafayette
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Lafayette
Is tap water safe in Lafayette?+
EPA ECHO reports 1 active health-based violation among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
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.