Hard water in Temple, TX
Reported by City of Temple · June 2022
- TX typical
- 112 mg/L
- EPA health violations since 2016
- 22
- Softener for 3 people
- 24k grain
- Data
- Utility report
Tap water in Temple has about 125 mg/L of hardness, which is 7.3 grains per gallon. On the USGS scale that counts as hard. The number comes from City of Temple, dated June 2022. Reports for this system disagree, with values from 125 to 181 mg/L.
At 125 mg/L, Temple is 13 mg/L above the typical Texas figure of 112. Of the 10 nearest cities we track, 4 have softer water and 6 have harder. The range nearby runs from 12 mg/L in McGregor to 285 in Harker Heights.
What 125 mg/L means at home
Expect white crust on faucets and showerheads, plus spots on dishes that come out of the dishwasher.
Kettles collect scale quickly. Water heaters build up sediment at the bottom of the tank, which makes them work harder over time.
Soap and detergent need a little more to lather, and soap scum shows up in the tub.
Hardness is not a health problem, and EPA sets no limit for it. It is a matter of scale and soap.
What to do about it
At 125 mg/L most of the trouble is scale, and only a few things deal with it.
Ion-exchange water softener
The standard whole-house fix. It swaps calcium and magnesium for sodium or potassium and needs salt plus a drain. Size it with the calculator below.
Salt-free conditioner
No salt and no drain line. It changes how minerals form scale instead of removing them, so water still tests hard.
Reverse osmosis or carbon filter
Under-sink reverse osmosis removes minerals from drinking water only. Plain carbon filters improve taste but do not soften.
3 people × 75 gallons a day × 7.3 gpg = 1,642 grains a day. A 24,000-grain unit regenerates about every 14 days.
EPA record for Temple's water system
22 health-based violations since 2016
Serves about 94,935 people from surface water.
- Health-based
- 22
- Monitoring or reporting
- 3
- Open now
- 0
| Contaminant or rule | Violations | Period | Status |
|---|---|---|---|
| Surface Water Treatment Rule (LT2)filtration and disinfection | 9 | 2019 | Resolved |
| Total trihalomethanes (TTHM)a disinfection byproduct | 13 | 2016–2017 | Resolved |
Health-based means a contaminant above its legal limit or a missed treatment step. Monitoring and reporting violations are late or missing tests and notices. Source: EPA ECHO, 2026Q3 export, violations with periods starting 2016 or later. Full EPA record.
Questions
Is Temple water hard?
Yes. It measures about 125 mg/L (7.3 grains per gallon), which the USGS classes as hard.
What is the water hardness in Temple in grains per gallon?
About 7.3 gpg. One grain per gallon equals 17.1 mg/L, so 125 mg/L divided by 17.1 gives 7.3.
What size water softener do I need in Temple?
For 3 people using 75 gallons each per day, 7.3 gpg works out to about 1,642 grains a day. A 24,000-grain softener covers that with a regeneration about every 14 days.
Has the Temple water system had EPA violations?
EPA records show 22 health-based violations for City of Temple since 2016, involving Surface Water Treatment Rule (LT2), Total trihalomethanes (TTHM). There were also 3 monitoring or reporting violations, which are about late or missing tests and notices.
Nearby cities
- Belton133 mg/LHard
- Harker Heights285 mg/LVery hard
- Killeen144 mg/LHard
- McGregor12 mg/LSoft
- Sonterra147 mg/LHard
- Jarrell150 mg/LHard
- Robinson31 mg/LSoft
- Woodway103 mg/LModerately hard
- Cameron146 mg/LHard
- Copperas Cove95 mg/LModerately hard
Hardness data: TapWaterData US Water Hardness (utility report, June 29, 2022), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.