Hardness
Cannot assess high or lowNot verified
No confirmed numerical hardness value used in this summary
Unknown hardness is not zero. A current incoming-water test can guide softening.
2025 report reviewView source
- 1Your water
- 2Your home
- 3Your system
Conroe Water Quality Report
Showing utility report
City of Conroe
2025 report; each row keeps its measurement year
City of Conroe municipal system; surrounding MUDs and private wells have separate reports.
Your water at a glance
See the amount, the comparison and what it means. “Below” refers to the stated benchmark, not zero risk.
Chlorine
Average below MRDL0.97mg/L
Average; range 0.70–1.50
MRDL 4 mg/L
2025View source
TTHMs
Below MCL33.8µg/L
Highest listed LRAA,36Village Hill; range 20–33.8 at that site
MCL 80 µg/L
2025View source
HAA5
Below MCL15.9µg/L
Highest listed LRAA,110Baretta; range<6–15.9 at that site
MCL 60 µg/L
2025View source
Fluoride
Below MCL0.22mg/L
Highest detected; range 0–0.22
MCL 4 mg/L
2025-03-24View source
Lead
90th percentile below action level0 µg/L reported
90th percentile; range 0–1.5; not zero at every tap
Action level 15 µg/L
2023–2025View source
PFAS
Cannot assess high or lowNot verified
No compound-specific result assessed in this summary
This does not establish whether PFAS are present or absent. Check compound-specific testing before choosing treatment.
2025 report reviewView source
Nitrate
Below MCL0.42mg/L
Highest detected; range 0–0.42
MCL 10 mg/L
2025-11-17View source
Your provider needs its own report.
Continue with your home details for general filtration guidance. We will not use another utility’s numbers as your result.
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A city report cannot establish a well’s water quality. Well-water treatment depends on your test results and site conditions.
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The numbers behind your report
Selected useful results—not a replacement for the utility’s complete report. Older measurements retain their original year.
Open the complete utility report ↗
| What was measured | Reported amount | Sample year / source date | How to read it |
|---|---|---|---|
| Hardness | Not verified No confirmed numerical hardness value used in this summary | 2025 report reviewView source ↗ | Cannot assess high or lowUnknown hardness is not zero. A current incoming-water test can guide softening. |
| Chlorine | 0.97 mg/L Average; range 0.70–1.50 | 2025View source ↗ | Average below MRDL · MRDL 4 mg/L |
| TTHM | 33.8 µg/L Highest listed LRAA,36Village Hill; range 20–33.8 at that site | 2025View source ↗ | Below MCL · MCL 80 µg/L |
| HAA5 | 15.9 µg/L Highest listed LRAA,110Baretta; range<6–15.9 at that site | 2025View source ↗ | Below MCL · MCL 60 µg/L |
| Fluoride | 0.22 mg/L Highest detected; range 0–0.22 | 2025-03-24View source ↗ | Below MCL · MCL 4 mg/L |
| Nitrate | 0.42 mg/L Highest detected; range 0–0.42 | 2025-11-17View source ↗ | Below MCL · MCL 10 mg/L |
| Lead | 0 µg/L reported 90th percentile; range 0–1.5; not zero at every tap | 2023–2025View source ↗ | 90th percentile below action level · Action level 15 µg/LA system sampling percentile is not a measurement of your faucet. |
| Copper | 0.275 mg/L 90th percentile; range 0.00143–0.677 | 2023–2025View source ↗ | 90th percentile below action level · Action level 1.3 mg/LA system sampling percentile is not a measurement of your faucet. |
| PFAS | Not verified No compound-specific result assessed in this summary | 2025 report reviewView source ↗ | Cannot assess high or lowThis does not establish whether PFAS are present or absent. Check compound-specific testing before choosing treatment. |
ppm ≈ mg/L; ppb ≈ µg/L; ppt ≈ ng/L in drinking water. Hardness in gpg = mg/L as CaCO₃ ÷ 17.1. ND means not detected at the method’s reporting limit—not zero.
MCL is a maximum contaminant level. MRDL is a disinfectant limit. Lead/copper action levels use system sampling percentiles and are not a safe-tap threshold. TTHM/HAA5 compliance uses locational annual averages.
PFOA/PFOS comparisons use EPA’s 4 ppt values. Historical detections are not a present compliance finding; EPA assesses compliance using running annual averages. Rule implementation is being reviewed. EPA PFAS benchmarks and implementation ↗
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Source water. SJRA Lake Conroe surface water and groundwater from Jasper and Catahoula aquifers.
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What this means for your home
Use Conroe's city-system results, not regional estimates.
Conroe's source description includes Lake Conroe and Jasper/Catahoula aquifers. This summary uses the original detailed report for TTHM and HAA5 because a separate brochure transposes their labels. The City-system report does not describe every supplier with a Conroe mailing address.
A useful local question
Why are Conroe's byproduct numbers different from one brochure?
The detailed official report lists TTHM at 33.8 ppb and HAA5 at 15.9 ppb as the highest listed annual averages. Those source rows are used here instead of the brochure with swapped labels.
Sources and methodology
We keep each utility’s results separate, show the reported sample year, and distinguish averages, maxima and tap-sampling percentiles. Hardness classifications use USGS ranges. Missing data stays unknown.
- City of Conroe ↗2025 report; each row keeps its measurement year
- USGS hardness classification
- EPA PFAS benchmarks and implementation
Sources checked October 23, 2026
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