Hard water in Lindsay, CA
Reported by Lsid - Tonyville · April 2023
- CA typical
- 121 mg/L
- EPA health violations since 2016
- 20
- Softener for 3 people
- 32k grain
- Data
- Utility report
The water in Lindsay carries roughly 303 mg/L of dissolved calcium and magnesium, or 17.7 grains per gallon. That is very hard water. The number comes from Lsid - Tonyville, dated April 2023.
At 303 mg/L, Lindsay is 182 mg/L above the typical California figure of 121. None of the 10 nearest cities we track has harder water. The range nearby runs from 11 mg/L in Hanford to 233 in Porterville.
What 303 mg/L means at home
Scale forms fast here. Kettles and coffee makers need regular descaling, and showerheads clog unless you clean them.
Tank water heaters collect mineral sediment that insulates the water from the burner, so flushing the tank matters more than usual.
Dishes and glass shower doors spot easily. Soap scum and a dull film on hair or laundry are common complaints.
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 303 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 × 17.7 gpg = 3,987 grains a day. A 32,000-grain unit regenerates about every 8 days.
EPA record for Lindsay's water system
20 health-based violations since 2016
Serves about 500 people from surface water.
- Health-based
- 20
- Monitoring or reporting
- 3
- Open now
- 0
| Contaminant or rule | Violations | Period | Status |
|---|---|---|---|
| Nitrateoften from fertilizer or septic systems | 5 | 2020–2026 | Resolved |
| Lead and Copper Rulecorrosion control and lead sampling | 1 | 2024 | Resolved |
| Haloacetic acids (HAA5)a disinfection byproduct | 6 | 2016–2018 | Resolved |
| Total trihalomethanes (TTHM)a disinfection byproduct | 6 | 2016–2017 | Resolved |
| Nitrate-nitriteoften from fertilizer or septic systems | 2 | 2016 | 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 Lindsay water hard?
Yes. It measures about 303 mg/L (17.7 grains per gallon), which the USGS classes as very hard.
What is the water hardness in Lindsay in grains per gallon?
About 17.7 gpg. One grain per gallon equals 17.1 mg/L, so 303 mg/L divided by 17.1 gives 17.7.
What size water softener do I need in Lindsay?
For 3 people using 75 gallons each per day, 17.7 gpg works out to about 3,987 grains a day. A 32,000-grain softener covers that with a regeneration about every 8 days.
Has the Lindsay water system had EPA violations?
EPA records show 20 health-based violations for Lsid - Tonyville since 2016, involving Nitrate, Lead and Copper Rule, Haloacetic acids (HAA5). There were also 3 monitoring or reporting violations, which are about late or missing tests and notices.
Nearby cities
- Porterville233 mg/LVery hard
- Tulare37 mg/LSoft
- Visalia74 mg/LModerately hard
- Orosi170 mg/LHard
- Corcoran64 mg/LModerately hard
- Dinuba92 mg/LModerately hard
- Delano181 mg/LVery hard
- Hanford11 mg/LSoft
- Reedley202 mg/LVery hard
- Kingsburg91 mg/LModerately hard
Hardness data: TapWaterData US Water Hardness (utility report, April 4, 2023), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.