Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Oran, MO 63771
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Scott County.
Historical measurement record needs context
- Largest possible serving system
- Oran Pws
- Source water
- Groundwater
- County
- Scott 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
2 systems
Serves 1,294 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.
Oran Pws
MO4010604 · Groundwater · 1,294 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
- 0.0027 mg/L
- Action level
- 0.015 mg/L
18% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.38 mg/L
- Action level
- 1.3 mg/L
106% of the listed benchmark
Monitoring period: Jan 1, 1996 to Dec 31, 1998
Violation history (14)
| Rule | Status | Period |
|---|---|---|
| Groundwater RuleHealth-based | Resolved | Jan 19, 2026 to Feb 10, 2026 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2024 to Mar 10, 2025 |
| Groundwater Rule | Resolved | Oct 1, 2024 to Oct 31, 2024 |
| Public Notice | Resolved | May 30, 2024 to Jul 17, 2024 |
| Groundwater Rule | Resolved | May 1, 2024 to May 31, 2024 |
| TTHM | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Groundwater Rule | Resolved | Apr 1, 2023 to Apr 30, 2023 |
| TTHM | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Groundwater Rule | Resolved | Oct 1, 2021 to Oct 31, 2021 |
| TTHM | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2021 to Dec 31, 2021 |
Stoddard County Pwsd 2
MO4024582 · Groundwater · 309 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
- 0.0024 mg/L
- Action level
- 0.015 mg/L
16% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (7)
| Rule | Status | Period |
|---|---|---|
| Groundwater Rule | Archived | Feb 1, 2026 to Feb 28, 2026 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Public Notice | Resolved | Feb 7, 2024 to Jul 23, 2024 |
| Groundwater RuleHealth-based | Resolved | Dec 6, 2023 to Feb 9, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Nov 29, 2022 |
| Public Notice | Resolved | May 2, 2021 to Jul 8, 2021 |
| Groundwater RuleHealth-based | Resolved | Feb 28, 2021 to Apr 21, 2021 |
Hardness meter
What does nearby environmental evidence show?
224.5
PPM as CaCO₃
Very Hard
PPM
224.5
GPG
13.1
Regional environmental evidence
USGS hardness classification scale
224.5 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
224.5
mg/L as CaCO₃ equivalent
Grains per gallon
13.1
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
4
Nearest site
5.4 mi
Observation range
Aug 23, 2016–Oct 17, 2019
Regional evidence confidence
Low
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: T27N R13E S7 001 (Well).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 63771 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Oran median
225 PPM
About the same1 indexed ZIP readings · Range 224.5–224.5 PPM
Missouri median
227 PPM
About the same479 indexed ZIP readings · Range 23.8–729.5 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 →Frequently asked
Water questions for Oran
Is tap water safe in Oran?+
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.