City water profile

Water hardness in Horsham

Find official utility reports, understand hardness, and check the water system serving your home in Horsham, Pennsylvania.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 0

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 →

Convert a hardness result →Test your tap →

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.

Horsham Water&sewer Authority

PA1460033 · Surface water · 26,000 people served system-wide

A municipal system, in-state city, and served county all agree with this Census 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

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jun 1, 2025 to Sep 30, 2025

Violation history (100)

Imported violation history for Horsham Water&sewer Authority
Rule	Status	Period
Radium-228	Resolved	Jul 1, 2024 to Sep 30, 2024
BHC-GAMMA	Resolved	Jan 1, 2024 to Mar 31, 2024
Diquat	Resolved	Jan 1, 2024 to Mar 31, 2024
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2024 to Mar 31, 2024
OXAMYL	Resolved	Jan 1, 2024 to Mar 31, 2024
Simazine	Resolved	Jan 1, 2024 to Mar 31, 2024
Picloram	Resolved	Jan 1, 2024 to Mar 31, 2024
Hexachlorocyclopentadiene	Resolved	Jan 1, 2024 to Mar 31, 2024
Carbofuran	Resolved	Jan 1, 2024 to Mar 31, 2024
LASSO	Resolved	Jan 1, 2024 to Mar 31, 2024
Heptachlor	Resolved	Jan 1, 2024 to Mar 31, 2024
Heptachlor epoxide	Resolved	Jan 1, 2024 to Mar 31, 2024
HEXACHLOROBENZENE	Resolved	Jan 1, 2024 to Mar 31, 2024
1,2-DIBROMO-3-CHLOROPROPANE	Resolved	Jan 1, 2024 to Mar 31, 2024
ETHYLENE DIBROMIDE	Resolved	Jan 1, 2024 to Mar 31, 2024
1,2,4-Trichlorobenzene	Resolved	Jan 1, 2024 to Mar 31, 2024
Xylenes, Total	Resolved	Jan 1, 2024 to Mar 31, 2024
DICHLOROMETHANE	Resolved	Jan 1, 2024 to Mar 31, 2024
o-Dichlorobenzene	Resolved	Jan 1, 2024 to Mar 31, 2024
1,2-Dichloroethane	Resolved	Jan 1, 2024 to Mar 31, 2024
Carbon tetrachloride	Resolved	Jan 1, 2024 to Mar 31, 2024
1,1,2-Trichloroethane	Resolved	Jan 1, 2024 to Mar 31, 2024
Tetrachloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
CHLOROBENZENE	Resolved	Jan 1, 2024 to Mar 31, 2024
Toluene	Resolved	Jan 1, 2024 to Mar 31, 2024
Ethylbenzene	Resolved	Jan 1, 2024 to Mar 31, 2024
Methoxychlor	Resolved	Jan 1, 2024 to Mar 31, 2024
Dalapon	Resolved	Jan 1, 2024 to Mar 31, 2024
Diquat	Resolved	Jan 1, 2024 to Mar 31, 2024
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2024 to Mar 31, 2024
OXAMYL	Resolved	Jan 1, 2024 to Mar 31, 2024
Simazine	Resolved	Jan 1, 2024 to Mar 31, 2024
Picloram	Resolved	Jan 1, 2024 to Mar 31, 2024
Dinoseb	Resolved	Jan 1, 2024 to Mar 31, 2024
Hexachlorocyclopentadiene	Resolved	Jan 1, 2024 to Mar 31, 2024
Atrazine	Resolved	Jan 1, 2024 to Mar 31, 2024
LASSO	Resolved	Jan 1, 2024 to Mar 31, 2024
Heptachlor epoxide	Resolved	Jan 1, 2024 to Mar 31, 2024
HEXACHLOROBENZENE	Resolved	Jan 1, 2024 to Mar 31, 2024
Benzo(a)pyrene	Resolved	Jan 1, 2024 to Mar 31, 2024
1,2-DIBROMO-3-CHLOROPROPANE	Resolved	Jan 1, 2024 to Mar 31, 2024
ETHYLENE DIBROMIDE	Resolved	Jan 1, 2024 to Mar 31, 2024
Chlordane	Resolved	Jan 1, 2024 to Mar 31, 2024
1,2,4-Trichlorobenzene	Resolved	Jan 1, 2024 to Mar 31, 2024
Xylenes, Total	Resolved	Jan 1, 2024 to Mar 31, 2024
DICHLOROMETHANE	Resolved	Jan 1, 2024 to Mar 31, 2024
p-Dichlorobenzene	Resolved	Jan 1, 2024 to Mar 31, 2024
trans-1,2-Dichloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
Carbon tetrachloride	Resolved	Jan 1, 2024 to Mar 31, 2024
1,1,2-Trichloroethane	Resolved	Jan 1, 2024 to Mar 31, 2024
Benzene	Resolved	Jan 1, 2024 to Mar 31, 2024
Toluene	Resolved	Jan 1, 2024 to Mar 31, 2024
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2024 to Mar 31, 2024
Carbofuran	Resolved	Jan 1, 2024 to Mar 31, 2024
Endrin	Resolved	Jan 1, 2024 to Mar 31, 2024
1,1,1-Trichloroethane	Resolved	Jan 1, 2024 to Mar 31, 2024
cis-1,2-Dichloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
p-Dichlorobenzene	Resolved	Jan 1, 2024 to Mar 31, 2024
Pentachlorophenol	Resolved	Jan 1, 2024 to Mar 31, 2024
o-Dichlorobenzene	Resolved	Jan 1, 2024 to Mar 31, 2024
Total Polychlorinated Biphenyls (PCB)	Resolved	Jan 1, 2024 to Mar 31, 2024
cis-1,2-Dichloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
Dalapon	Resolved	Jan 1, 2024 to Mar 31, 2024
2,4-D	Resolved	Jan 1, 2024 to Mar 31, 2024
trans-1,2-Dichloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
CHLOROBENZENE	Resolved	Jan 1, 2024 to Mar 31, 2024
Toxaphene	Resolved	Jan 1, 2024 to Mar 31, 2024
Endrin	Resolved	Jan 1, 2024 to Mar 31, 2024
2,4,5-TP	Resolved	Jan 1, 2024 to Mar 31, 2024
Glyphosate	Resolved	Jan 1, 2024 to Mar 31, 2024
Styrene	Resolved	Jan 1, 2024 to Mar 31, 2024
Chlordane	Resolved	Jan 1, 2024 to Mar 31, 2024
1,2-Dichloroethane	Resolved	Jan 1, 2024 to Mar 31, 2024
Pentachlorophenol	Resolved	Jan 1, 2024 to Mar 31, 2024
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2024 to Mar 31, 2024
1,2-Dichloropropane	Resolved	Jan 1, 2024 to Mar 31, 2024
Benzene	Resolved	Jan 1, 2024 to Mar 31, 2024
1,1-Dichloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
2,4-D	Resolved	Jan 1, 2024 to Mar 31, 2024
Tetrachloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
BHC-GAMMA	Resolved	Jan 1, 2024 to Mar 31, 2024
Trichloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
1,1-Dichloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
1,2-Dichloropropane	Resolved	Jan 1, 2024 to Mar 31, 2024
Dinoseb	Resolved	Jan 1, 2024 to Mar 31, 2024
Total Polychlorinated Biphenyls (PCB)	Resolved	Jan 1, 2024 to Mar 31, 2024
Methoxychlor	Resolved	Jan 1, 2024 to Mar 31, 2024
Atrazine	Resolved	Jan 1, 2024 to Mar 31, 2024
Styrene	Resolved	Jan 1, 2024 to Mar 31, 2024
Ethylbenzene	Resolved	Jan 1, 2024 to Mar 31, 2024
Benzo(a)pyrene	Resolved	Jan 1, 2024 to Mar 31, 2024
Glyphosate	Resolved	Jan 1, 2024 to Mar 31, 2024
1,1,1-Trichloroethane	Resolved	Jan 1, 2024 to Mar 31, 2024
Trichloroethylene	Resolved	Jan 1, 2024 to Mar 31, 2024
Toxaphene	Resolved	Jan 1, 2024 to Mar 31, 2024
2,4,5-TP	Resolved	Jan 1, 2024 to Mar 31, 2024
Heptachlor	Resolved	Jan 1, 2024 to Mar 31, 2024
Groundwater Rule	Resolved	Aug 1, 2023 to Aug 31, 2023
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Aug 22, 2023
Groundwater Rule	Resolved	Apr 1, 2021 to Apr 30, 2021

City summary

What the indexed records say

Horsham has 2 published ZIP profiles across Montgomery County. The regional-evidence median is 114 PPM. The city does not meet the stricter comparison standard.

The 110–118.5 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard2 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 3.5 miles
Profiles with evidence: 2/2

Confidence labels

High: 2Moderate: 0Low: 0

Observation window: Aug 7, 2017 to Mar 24, 2026.

ZIP directory

Water reports in Horsham

Open a ZIP for site-level provenance and measurements.

ZIP code

19040

Moderately Hard

110 PPM

Nearest site: 3.5 mi
Confidence: High

View full ZIP evidence →

ZIP code

19044

Moderately Hard

118.5 PPM

Nearest site: 1.8 mi
Confidence: High

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Pennsylvania communities

Downingtown

Chester County

115 PPM median

Newmanstown

Lebanon County

117 PPM median

Chester

Delaware County

111 PPM median

Bath

Northampton County

118 PPM median

Montgomery

Lycoming County

119 PPM median

Orwigsburg

Schuylkill County

119 PPM median

Search all 50 Pennsylvania cities →

Questions people ask

About water in Horsham

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.