Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Santa Fe, NM 87505
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Santa Fe County.
1 active health-based record(s) across possible systems
- Largest possible serving system
- Santa Fe Water System (city Of)
- Source water
- Surface water + Groundwater
- County
- Santa Fe 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
10 systems
Serves 90,810 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.
Santa Fe Water System (city Of)
NM3505126 · Surface water · 90,810 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
- 0.0013 mg/L
- Action level
- 0.015 mg/L
9% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Violation history (4)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Unaddressed | Feb 28, 2026 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Dec 16, 2025 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Dec 16, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2024 to Apr 9, 2025 |
Eldorado Area Water And Sanitation Dist.
NM3537326 · Surface water · 7,082 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
- 0.0019 mg/L
- Action level
- 0.015 mg/L
13% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Santa Fe County South Sector
NM3500826 · Surface water · 6,775 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
- 0.0033 mg/L
- Action level
- 0.015 mg/L
22% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to May 7, 2025 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to May 7, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Jul 27, 2021 |
Santa Fe County West Sector
NM3500926 · Surface water · 3,150 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
- 0.005 mg/L
- Action level
- 0.015 mg/L
33% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (5)
| Rule | Status | Period |
|---|---|---|
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to May 7, 2025 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to May 7, 2025 |
| Groundwater Rule | Resolved | Apr 1, 2024 to Oct 3, 2024 |
| Public Notice | Resolved | Oct 22, 2023 to Apr 17, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Jul 26, 2021 |
Las Campanas Water System
NM3500626 · Surface water · 1,937 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
- 0.0016 mg/L
- Action level
- 0.015 mg/L
11% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Sunlit Hills Water System
NM3505226 · Groundwater · 1,018 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
- Reported level
- 0.0028 mg/L
- Action level
- 0.015 mg/L
19% of the listed benchmark
Monitoring period: Jan 1, 2016 to Dec 31, 2018
Violation history (9)
| Rule | Status | Period |
|---|---|---|
| Nitrate-NitriteHealth-based | Unaddressed | Jan 1, 2026 to Dec 31, 2026 |
| Public Notice | Unaddressed | Nov 15, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Jul 14, 2023 |
| Consumer Confidence Rule | Resolved | Oct 1, 2022 to Mar 1, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Feb 2, 2023 |
| Consumer Confidence Rule | Resolved | Oct 1, 2021 to Mar 1, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2021 to Sep 6, 2023 |
| Public Notice | Resolved | Aug 21, 2021 to Mar 1, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Feb 2, 2023 |
Agua Fria Water Association
NM3503926 · Groundwater · 611 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
- 0.0026 mg/L
- Action level
- 0.015 mg/L
17% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Bishops Lodge
NM3593226 · Groundwater · 450 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
- 0.0018 mg/L
- Action level
- 0.015 mg/L
12% of the listed benchmark
Monitoring period: Jan 1, 2025 to Jun 30, 2025
Violation history (11)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Unaddressed | Jan 1, 2026 |
| Public Notice | Unaddressed | Dec 12, 2025 |
| Lead and Copper Rule | Unaddressed | Sep 29, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Jul 23, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2025 to Jun 26, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Jul 17, 2025 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Jul 17, 2025 |
| Consumer Confidence Rule | Resolved | Oct 1, 2024 to Oct 30, 2024 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2024 to Oct 31, 2024 |
| Lead and Copper Rule | Unaddressed | Dec 30, 2023 |
| Public Notice | Resolved | Mar 18, 2021 to Nov 21, 2025 |
La Cienega Mdwca
NM3537526 · Groundwater · 321 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
- 0.0034 mg/L
- Action level
- 0.015 mg/L
23% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (2)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Unaddressed | Aug 17, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Sep 24, 2024 |
Canoncito At Apache Canyon
NM3510026 · Groundwater · 250 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
- 0.0018 mg/L
- Action level
- 0.015 mg/L
12% of the listed benchmark
Monitoring period: Jan 1, 2020 to Dec 31, 2022
Violation history (4)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Unaddressed | Apr 8, 2012 |
| Public Notice | Unaddressed | Apr 8, 2012 |
| Public Notice | Unaddressed | Apr 7, 2012 |
| Public Notice | Unaddressed | Apr 7, 2012 |
Hardness meter
What does nearby environmental evidence show?
85.2
PPM as CaCO₃
Moderately Hard
PPM
85.2
GPG
5
Regional environmental evidence
USGS hardness classification scale
85.2 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
85.2
mg/L as CaCO₃ equivalent
Grains per gallon
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
6
Nearest site
7.5 mi
Observation range
Oct 25, 2022–Mar 30, 2026
Regional evidence confidence
High
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: GLORIETA CREEK PECO PIGEON RANCH UNIT, NM (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 87505 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Santa Fe median
85 PPM
About the same3 indexed ZIP readings · Range 82.4–85.2 PPM
New Mexico median
206 PPM
121 PPM lower157 indexed ZIP readings · Range 2.1–1435 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
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
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 Santa Fe
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Santa Fe
Is tap water safe in Santa Fe?+
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.