Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Zionsville, IN 46069
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Hamilton County.
Historical measurement record needs context
- Largest possible serving system
- Citizens Water - Whitestown
- Source water
- Surface water + Groundwater
- County
- Hamilton 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
3 systems
Serves 5,880 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.
Citizens Water - Whitestown
IN5206014 · Surface water · 5,880 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
- 3.3e-4 mg/L
- Action level
- 0.015 mg/L
2% 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
- 1.482 mg/L
- Action level
- 1.3 mg/L
114% of the listed benchmark
Monitoring period: Jan 1, 2011 to Dec 31, 2011
Violation history (1)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Nov 10, 2025 |
Pine Ridge
IN5206004 · Groundwater · 135 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
- 0.0046 mg/L
- Action level
- 0.015 mg/L
31% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (1)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Jan 1, 2024 to Jan 28, 2025 |
Zionsville Mhp Trust
IN5206002 · Groundwater · 57 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 (178)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Jan 1, 2026 to Mar 26, 2026 |
| Radium-226 | Archived | Jan 1, 2026 to Mar 31, 2026 |
| Radium-228 | Archived | Jan 1, 2026 to Mar 31, 2026 |
| Gross Alpha, Excl. Radon and U | Archived | Jan 1, 2026 to Mar 31, 2026 |
| Consumer Confidence Rule | Resolved | Oct 1, 2025 to Mar 30, 2026 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2025 to Jul 31, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Mar 30, 2026 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2025 to Jun 30, 2025 |
| Revised Total Coliform Rule | Resolved | May 1, 2025 to May 31, 2025 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2025 to Apr 30, 2025 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2025 to Mar 31, 2025 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2025 to Feb 28, 2025 |
| Endrin | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Methoxychlor | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Toxaphene | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Glyphosate | Archived | Jan 1, 2025 to Dec 31, 2025 |
| OXAMYL | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Di(2-ethylhexyl) phthalate | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Dinoseb | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Hexachlorocyclopentadiene | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Carbofuran | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Atrazine | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Heptachlor | Archived | Jan 1, 2025 to Dec 31, 2025 |
| 2,4-D | Archived | Jan 1, 2025 to Dec 31, 2025 |
| 2,4,5-TP | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Pentachlorophenol | Archived | Jan 1, 2025 to Dec 31, 2025 |
| ETHYLENE DIBROMIDE | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Chlordane | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Simazine | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Picloram | Archived | Jan 1, 2025 to Dec 31, 2025 |
| BHC-GAMMA | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Endothall | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Benzo(a)pyrene | Archived | Jan 1, 2025 to Dec 31, 2025 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Dalapon | Archived | Jan 1, 2025 to Dec 31, 2025 |
| HEXACHLOROBENZENE | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Diquat | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Di(2-ethylhexyl) adipate | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Heptachlor epoxide | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2025 to Jan 31, 2025 |
| Public Notice | Resolved | Jan 1, 2025 to Oct 7, 2025 |
| LASSO | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2024 to Dec 31, 2024 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2024 to Nov 30, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Oct 7, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Oct 7, 2025 |
| Consumer Confidence Rule | Resolved | Oct 10, 2024 to Mar 30, 2026 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2024 to Oct 31, 2024 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2024 to Sep 30, 2024 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2024 to Aug 31, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Mar 30, 2026 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2024 to Jul 31, 2024 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2024 to Jun 30, 2024 |
| Revised Total Coliform Rule | Resolved | May 1, 2024 to May 31, 2024 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2024 to Apr 30, 2024 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2024 to Mar 31, 2024 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2024 to Feb 29, 2024 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2024 to Jan 31, 2024 |
| Lead and Copper Rule | Resolved | Jan 1, 2024 to Sep 26, 2025 |
| 1,2,4-Trichlorobenzene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| o-Dichlorobenzene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| p-Dichlorobenzene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Vinyl chloride | Archived | Jan 1, 2024 to Dec 31, 2024 |
| trans-1,2-Dichloroethylene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| 1,2-Dichloroethane | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Tetrachloroethylene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| CHLOROBENZENE | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Benzene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Ethylbenzene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Arsenic | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Barium | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Cadmium | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Chromium | Archived | Jan 1, 2024 to Dec 31, 2024 |
| CYANIDE | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Fluoride | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Nickel | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Thallium, Total | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Nitrate | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| 1,2-Dichloropropane | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Mercury | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Styrene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Antimony, Total | Archived | Jan 1, 2024 to Dec 31, 2024 |
| 1,1-Dichloroethylene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Carbon tetrachloride | Archived | Jan 1, 2024 to Dec 31, 2024 |
| 1,1,1-Trichloroethane | Archived | Jan 1, 2024 to Dec 31, 2024 |
| DICHLOROMETHANE | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Xylenes, Total | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Trichloroethylene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| 1,1,2-Trichloroethane | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Toluene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Beryllium, Total | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Selenium | Archived | Jan 1, 2024 to Dec 31, 2024 |
| cis-1,2-Dichloroethylene | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2023 to Dec 31, 2023 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2023 to Nov 30, 2023 |
| Revised Total Coliform RuleHealth-based | Resolved | Oct 21, 2023 to Nov 14, 2025 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2023 to Oct 31, 2023 |
| Revised Total Coliform RuleHealth-based | Resolved | Sep 16, 2023 to Nov 12, 2025 |
| E. COLI | Resolved | Sep 15, 2023 to Aug 25, 2025 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2023 to Sep 30, 2023 |
| E. COLI | Resolved | Aug 12, 2023 to Aug 25, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Mar 30, 2026 |
| Gross Alpha, Excl. Radon and U | Archived | Jan 1, 2023 to Mar 31, 2023 |
| Lead and Copper Rule | Resolved | Jan 1, 2023 to Sep 26, 2025 |
| Consumer Confidence Rule | Resolved | Jan 1, 2023 to Mar 30, 2026 |
| Radium-226 | Archived | Jan 1, 2023 to Mar 31, 2023 |
| Radium-228 | Archived | Jan 1, 2023 to Mar 31, 2023 |
| Nitrate | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Sep 26, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Sep 21, 2022 |
| BHC-GAMMA | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Endrin | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Toxaphene | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Dalapon | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Diquat | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Glyphosate | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Di(2-ethylhexyl) adipate | Archived | Jan 1, 2022 to Dec 31, 2022 |
| OXAMYL | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Di(2-ethylhexyl) phthalate | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Hexachlorocyclopentadiene | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Carbofuran | Archived | Jan 1, 2022 to Dec 31, 2022 |
| 2,4-D | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Pentachlorophenol | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Chlordane | Archived | Jan 1, 2022 to Dec 31, 2022 |
| 2,4,5-TP | Archived | Jan 1, 2022 to Dec 31, 2022 |
| HEXACHLOROBENZENE | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Methoxychlor | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Atrazine | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Picloram | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Heptachlor | Archived | Jan 1, 2022 to Dec 31, 2022 |
| ETHYLENE DIBROMIDE | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Simazine | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Benzo(a)pyrene | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Heptachlor epoxide | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Endothall | Archived | Jan 1, 2022 to Dec 31, 2022 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Dinoseb | Archived | Jan 1, 2022 to Dec 31, 2022 |
| LASSO | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Lead and Copper Rule | Resolved | Oct 1, 2021 to Sep 26, 2025 |
| Revised Total Coliform RuleHealth-based | Resolved | Aug 20, 2021 to Nov 14, 2025 |
| E. COLI | Resolved | Jul 15, 2021 to Jul 30, 2021 |
| 1,2,4-Trichlorobenzene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Xylenes, Total | Archived | Jan 1, 2021 to Dec 31, 2021 |
| p-Dichlorobenzene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| 1,1-Dichloroethylene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| 1,1,1-Trichloroethane | Archived | Jan 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloropropane | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Trichloroethylene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| 1,1,2-Trichloroethane | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Benzene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Toluene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Ethylbenzene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Barium | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Cadmium | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Chromium | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Fluoride | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Antimony, Total | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Tetrachloroethylene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Mercury | Archived | Jan 1, 2021 to Dec 31, 2021 |
| cis-1,2-Dichloroethylene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Vinyl chloride | Archived | Jan 1, 2021 to Dec 31, 2021 |
| CHLOROBENZENE | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Arsenic | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Styrene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Selenium | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Thallium, Total | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Beryllium, Total | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Carbon tetrachloride | Archived | Jan 1, 2021 to Dec 31, 2021 |
| o-Dichlorobenzene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| trans-1,2-Dichloroethylene | Archived | Jan 1, 2021 to Dec 31, 2021 |
| DICHLOROMETHANE | Archived | Jan 1, 2021 to Dec 31, 2021 |
| CYANIDE | Archived | Jan 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloroethane | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Nickel | Archived | Jan 1, 2021 to Dec 31, 2021 |
| Consumer Confidence Rule | Addressed | Oct 1, 2014 |
| Consumer Confidence Rule | Addressed | Jul 1, 2014 |
| Lead and Copper Rule | Addressed | Jan 1, 2014 |
| Consumer Confidence Rule | Addressed | Jul 1, 2013 |
Hardness meter
What does nearby environmental evidence show?
248
PPM as CaCO₃
Very Hard
PPM
248
GPG
14.5
Regional environmental evidence
USGS hardness classification scale
248 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
248
mg/L as CaCO₃ equivalent
Grains per gallon
14.5
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
3
Nearest site
18.7 mi
Observation range
Jul 17, 2018–Jan 5, 2021
Regional evidence confidence
Moderate
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: SCHOOL BRANCH AT MALONEY ROAD NEAR BROWNSBURG, IN (Stream).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 46069 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Zionsville median
248 PPM
About the same2 indexed ZIP readings · Range 248–248 PPM
Indiana median
340 PPM
92 PPM lower290 indexed ZIP readings · Range 78.6–498 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
A reported action-level record needs context. Check its monitoring period and the utility's current report.
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 Zionsville
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Zionsville
Is tap water safe in Zionsville?+
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.