Water Quality in Bryn Mawr, PA (18901)

EPA violation data for public water systems serving ZIP code 18901.

Active Health Violations

5 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.

More violations than 100% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

28,509

Population

Water Systems

420

Violations (5yr)

Health-Based

Location

Loading map...

Water Systems Serving This Area (74)

Phila Sub Water Co

Surface water 759,135 people served

0 violations

Lower Bucks Co Joint Mun Auth

All resolved

Surface water 63,007 people served

2 violations (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Doylestown Boro Water Dept

All resolved

Groundwater 8,700 people served

17 violations (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Dtma Main System

All resolved

Purchased surface water 8,655 people served

7 violations (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Delaware Valley Univ

All resolved

Groundwater 3,000 people served

4 violations (5yr) · All resolved

Warwick Water And Sewer Inc

Groundwater 2,300 people served

0 violations

Cbsd Central Bucks East Hs

All resolved

Groundwater 1,725 people served

5 violations (5yr) · All resolved

Cbsd Holicong Ms

All resolved

Groundwater 1,300 people served

10 violations (5yr) · All resolved

Plumstead Square Shopping Ctr

Groundwater 1,200 people served

0 violations

Cbsd Tohickon Middle School

All resolved

Groundwater 1,100 people served

4 violations (5yr) · All resolved

Cross Keys Place

Groundwater 1,000 people served

0 violations

Cbsd Groveland Es

Groundwater 961 people served

0 violations

Camp Ockanickon

Groundwater 650 people served

0 violations

Cbsd Gayman Es

All resolved

Groundwater 600 people served

2 violations (5yr) · All resolved

Dunkin Donuts

Groundwater 600 people served

0 violations

Florence Titus Elem. School

Groundwater 500 people served

0 violations

Paul N. Detwiler Elem. School

Groundwater 500 people served

0 violations

Colonial Heritage Mhp

Groundwater 500 people served

0 violations

Tamanend Jr. High School

Groundwater 500 people served

0 violations

Paul W. Kutz Elem. School

Groundwater 480 people served

0 violations

Cbsd Buckingham Elem School

All resolved

Purchased groundwater 450 people served

1 violation (5yr) · All resolved

Doylestown Hospital

Groundwater 300 people served

0 violations

Dtma Cedar Crest Farms

All resolved

Purchased surface water 300 people served

3 violations (5yr) · All resolved

The Inn At Blueberry Hill

Groundwater 300 people served

0 violations

Little Farm Estates

Groundwater 270 people served

0 violations

Doylestown Commons

Groundwater 210 people served

0 violations

Hyde Park Condo Association

3 health-based

Groundwater 200 people served

230 violations (5yr) · 3 health-based · All resolved

Resolved

Revised Total Coliform Rule Monitoring

Sep 2023 Resolved

Lead and Copper Rule Monitoring

Apr 2023 Resolved

Public Notice Monitoring

Mar 2023 Resolved

Public Notice Monitoring

Mar 2023 Resolved

Public Notice Monitoring

Feb 2023 Resolved

Revised Total Coliform Rule Monitoring

Jan 2023 Resolved

Revised Total Coliform Rule Health

Jan 2023 Resolved

2,4,5-TP Monitoring

Jan 2023 Resolved

BHC-GAMMA Monitoring

Jan 2023 Resolved

Diquat Monitoring

Jan 2023 Resolved

Revised Total Coliform Rule Health

Jan 2023 Resolved

Heptachlor epoxide Monitoring

Jan 2023 Resolved

Heptachlor Monitoring

Jan 2023 Resolved

LASSO Monitoring

Jan 2023 Resolved

Dalapon Monitoring

Jan 2023 Resolved

HEXACHLOROBENZENE Monitoring

Jan 2023 Resolved

Glyphosate Monitoring

Jan 2023 Resolved

Carbofuran Monitoring

Jan 2023 Resolved

1,2-DIBROMO-3-CHLOROPROPANE Monitoring

Jan 2023 Resolved

Hexachlorocyclopentadiene Monitoring

Jan 2023 Resolved

Picloram Monitoring

Jan 2023 Resolved

Methoxychlor Monitoring

Jan 2023 Resolved

2,4-D Monitoring

Jan 2023 Resolved

OXAMYL Monitoring

Jan 2023 Resolved

Toxaphene Monitoring

Jan 2023 Resolved

ETHYLENE DIBROMIDE Monitoring

Jan 2023 Resolved

Dinoseb Monitoring

Jan 2023 Resolved

Chlordane Monitoring

Jan 2023 Resolved

Pentachlorophenol Monitoring

Jan 2023 Resolved

Endrin Monitoring

Jan 2023 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Jan 2023 Resolved

Revised Total Coliform Rule Monitoring

Jan 2023 Resolved

E. COLI Monitoring

Dec 2022 Resolved

HEXACHLOROBENZENE Monitoring

Oct 2022 Resolved

Dinoseb Monitoring

Oct 2022 Resolved

Endrin Monitoring

Oct 2022 Resolved

Toxaphene Monitoring

Oct 2022 Resolved

Dalapon Monitoring

Oct 2022 Resolved

ETHYLENE DIBROMIDE Monitoring

Oct 2022 Resolved

Chlordane Monitoring

Oct 2022 Resolved

LASSO Monitoring

Oct 2022 Resolved

Diquat Monitoring

Oct 2022 Resolved

Methoxychlor Monitoring

Oct 2022 Resolved

BHC-GAMMA Monitoring

Oct 2022 Resolved

Picloram Monitoring

Oct 2022 Resolved

1,2-DIBROMO-3-CHLOROPROPANE Monitoring

Oct 2022 Resolved

Pentachlorophenol Monitoring

Oct 2022 Resolved

Heptachlor epoxide Monitoring

Oct 2022 Resolved

2,4,5-TP Monitoring

Oct 2022 Resolved

2,4-D Monitoring

Oct 2022 Resolved

Glyphosate Monitoring

Oct 2022 Resolved

Hexachlorocyclopentadiene Monitoring

Oct 2022 Resolved

Heptachlor Monitoring

Oct 2022 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Oct 2022 Resolved

Eastern Rotorcraft - Transtech

Groundwater 160 people served

0 violations

Joe'S Pizza Restaurant

Groundwater 150 people served

0 violations

Curiosity Shoppe School

Groundwater 150 people served

0 violations

Copper tested: 2283 ppb (limit: 1300 ppb)

Our Lady Of Czestochowa

All resolved

Groundwater 150 people served

48 violations (5yr) · All resolved

Resolved

Pentachlorophenol Monitoring

Jul 2024 Resolved

Toxaphene Monitoring

Jul 2024 Resolved

LASSO Monitoring

Jul 2024 Resolved

Di(2-ethylhexyl) adipate Monitoring

Jul 2024 Resolved

ETHYLENE DIBROMIDE Monitoring

Jul 2024 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Jul 2024 Resolved

Endrin Monitoring

Jul 2024 Resolved

Picloram Monitoring

Jul 2024 Resolved

Heptachlor Monitoring

Jul 2024 Resolved

Methoxychlor Monitoring

Jul 2024 Resolved

OXAMYL Monitoring

Jul 2024 Resolved

BHC-GAMMA Monitoring

Jul 2024 Resolved

1,2-DIBROMO-3-CHLOROPROPANE Monitoring

Jul 2024 Resolved

Chlordane Monitoring

Jul 2024 Resolved

Hexachlorocyclopentadiene Monitoring

Jul 2024 Resolved

Dalapon Monitoring

Jul 2024 Resolved

Dinoseb Monitoring

Jul 2024 Resolved

Di(2-ethylhexyl) phthalate Monitoring

Jul 2024 Resolved

HEXACHLOROBENZENE Monitoring

Jul 2024 Resolved

Atrazine Monitoring

Jul 2024 Resolved

2,3,7,8-TCDD Monitoring

Jul 2024 Resolved

Simazine Monitoring

Jul 2024 Resolved

2,4,5-TP Monitoring

Jul 2024 Resolved

2,4-D Monitoring

Jul 2024 Resolved

Heptachlor epoxide Monitoring

Jul 2024 Resolved

Carbofuran Monitoring

Jul 2024 Resolved

Endothall Monitoring

Jul 2024 Resolved

Benzo(a)pyrene Monitoring

Jul 2024 Resolved

1,2,4-Trichlorobenzene Monitoring

Jan 2022 Resolved

Benzene Monitoring

Jan 2022 Resolved

Toluene Monitoring

Jan 2022 Resolved

Carbon tetrachloride Monitoring

Jan 2022 Resolved

o-Dichlorobenzene Monitoring

Jan 2022 Resolved

1,2-Dichloropropane Monitoring

Jan 2022 Resolved

Xylenes, Total Monitoring

Jan 2022 Resolved

1,1-Dichloroethylene Monitoring

Jan 2022 Resolved

Tetrachloroethylene Monitoring

Jan 2022 Resolved

trans-1,2-Dichloroethylene Monitoring

Jan 2022 Resolved

p-Dichlorobenzene Monitoring

Jan 2022 Resolved

1,2-Dichloroethane Monitoring

Jan 2022 Resolved

Styrene Monitoring

Jan 2022 Resolved

cis-1,2-Dichloroethylene Monitoring

Jan 2022 Resolved

CHLOROBENZENE Monitoring

Jan 2022 Resolved

1,1,2-Trichloroethane Monitoring

Jan 2022 Resolved

DICHLOROMETHANE Monitoring

Jan 2022 Resolved

Trichloroethylene Monitoring

Jan 2022 Resolved

Ethylbenzene Monitoring

Jan 2022 Resolved

1,1,1-Trichloroethane Monitoring

Jan 2022 Resolved

Executive Center

All resolved

Groundwater 135 people served

2 violations (5yr) · All resolved

Detwiler Building

Groundwater 125 people served

0 violations

Tabor Children Services

Groundwater 110 people served

0 violations

Gross Gourmet Foods

Groundwater 100 people served

0 violations

7 11 Store New Britain

Groundwater 100 people served

0 violations

7-11 Store 19020 B

Groundwater 100 people served

0 violations

Sylvan Pools Plaza #2

Groundwater 100 people served

0 violations

Uptowne Deli

All resolved

Groundwater 100 people served

1 violation (5yr) · All resolved

Countryside Condominium Assoc.

Groundwater 100 people served

0 violations

Char'S Restaurant

Groundwater 100 people served

0 violations

Verizon Pennsylvania Inc

Groundwater 80 people served

0 violations

New Britain Inn

Groundwater 80 people served

0 violations

Forlanos

Groundwater 80 people served

0 violations

Childtime Doylestown

All resolved

Groundwater 80 people served

66 violations (5yr) · All resolved

Resolved

Revised Total Coliform Rule Monitoring

Jun 2024 Resolved

Toxaphene Monitoring

Oct 2022 Resolved

Endothall Monitoring

Oct 2022 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Oct 2022 Resolved

Hexachlorocyclopentadiene Monitoring

Jul 2022 Resolved

Simazine Monitoring

Jul 2022 Resolved

Benzo(a)pyrene Monitoring

Jul 2022 Resolved

Pentachlorophenol Monitoring

Jul 2022 Resolved

Toxaphene Monitoring

Jul 2022 Resolved

Di(2-ethylhexyl) adipate Monitoring

Jul 2022 Resolved

2,3,7,8-TCDD Monitoring

Jul 2022 Resolved

Picloram Monitoring

Jul 2022 Resolved

Diquat Monitoring

Jul 2022 Resolved

Methoxychlor Monitoring

Jul 2022 Resolved

Dinoseb Monitoring

Jul 2022 Resolved

2,4,5-TP Monitoring

Jul 2022 Resolved

Di(2-ethylhexyl) phthalate Monitoring

Jul 2022 Resolved

2,4-D Monitoring

Jul 2022 Resolved

Endrin Monitoring

Jul 2022 Resolved

Heptachlor Monitoring

Jul 2022 Resolved

Chlordane Monitoring

Jul 2022 Resolved

Atrazine Monitoring

Jul 2022 Resolved

Heptachlor epoxide Monitoring

Jul 2022 Resolved

BHC-GAMMA Monitoring

Jul 2022 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Jul 2022 Resolved

Carbofuran Monitoring

Jul 2022 Resolved

HEXACHLOROBENZENE Monitoring

Jul 2022 Resolved

Lead and Copper Rule Monitoring

Jul 2022 Resolved

ETHYLENE DIBROMIDE Monitoring

Jul 2022 Resolved

OXAMYL Monitoring

Jul 2022 Resolved

Glyphosate Monitoring

Jul 2022 Resolved

Dalapon Monitoring

Jul 2022 Resolved

Endothall Monitoring

Jul 2022 Resolved

LASSO Monitoring

Jul 2022 Resolved

1,2-DIBROMO-3-CHLOROPROPANE Monitoring

Jul 2022 Resolved

2,3,7,8-TCDD Monitoring

Apr 2022 Resolved

Endothall Monitoring

Jul 2021 Resolved

Dinoseb Monitoring

Jul 2021 Resolved

Heptachlor epoxide Monitoring

Jul 2021 Resolved

Glyphosate Monitoring

Jul 2021 Resolved

BHC-GAMMA Monitoring

Jul 2021 Resolved

Heptachlor Monitoring

Jul 2021 Resolved

Pentachlorophenol Monitoring

Jul 2021 Resolved

Toxaphene Monitoring

Jul 2021 Resolved

Di(2-ethylhexyl) adipate Monitoring

Jul 2021 Resolved

Atrazine Monitoring

Jul 2021 Resolved

Carbofuran Monitoring

Jul 2021 Resolved

Chlordane Monitoring

Jul 2021 Resolved

Methoxychlor Monitoring

Jul 2021 Resolved

Hexachlorocyclopentadiene Monitoring

Jul 2021 Resolved

OXAMYL Monitoring

Jul 2021 Resolved

2,3,7,8-TCDD Monitoring

Jul 2021 Resolved

Di(2-ethylhexyl) phthalate Monitoring

Jul 2021 Resolved

ETHYLENE DIBROMIDE Monitoring

Jul 2021 Resolved

1,2-DIBROMO-3-CHLOROPROPANE Monitoring

Jul 2021 Resolved

Endrin Monitoring

Jul 2021 Resolved

HEXACHLOROBENZENE Monitoring

Jul 2021 Resolved

2,4,5-TP Monitoring

Jul 2021 Resolved

LASSO Monitoring

Jul 2021 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Jul 2021 Resolved

Simazine Monitoring

Jul 2021 Resolved

Benzo(a)pyrene Monitoring

Jul 2021 Resolved

Diquat Monitoring

Jul 2021 Resolved

Picloram Monitoring

Jul 2021 Resolved

Dalapon Monitoring

Jul 2021 Resolved

2,4-D Monitoring

Jul 2021 Resolved

Lenape Valley Foundation

Groundwater 80 people served

0 violations

826 N Easton Rd

Groundwater 75 people served

0 violations

Say Fromage

Groundwater 75 people served

0 violations

812 N Easton Road Building

Groundwater 75 people served

0 violations

Windmill Day School And Camp

1 health-based

Groundwater 75 people served

7 violations (5yr) · 1 health-based · All resolved

Doylestown Pizza

Groundwater 70 people served

0 violations

Arcca Real Estate Corporation

Groundwater 70 people served

0 violations

Warmick Elem. Looking Gls.

Groundwater 65 people served

0 violations

Bucks County Academy

Groundwater 60 people served

0 violations

The Waterwheel

1 health-based

Groundwater 50 people served

3 violations (5yr) · 1 health-based

Bucks County Fish And Game

Groundwater 50 people served

0 violations

Foundations Behavioral Health

Groundwater 50 people served

0 violations

Budco Barn Cinema

Groundwater 50 people served

0 violations

Rudy'S Deli

Groundwater 50 people served

0 violations

Canterbury Homeowners Assoc

Purchased groundwater 48 people served

0 violations

Knoll Tree Condominiums

Groundwater 40 people served

0 violations

Twin Willows Mobile Home Park

Groundwater 39 people served

0 violations

Wordsworth Academy

Groundwater 39 people served

0 violations

Exxon Corporation-Buckingham

Groundwater 35 people served

0 violations

New Britain Bp

Groundwater 30 people served

0 violations

Our Lady Of Czestochowa

Groundwater 25 people served

0 violations

Colonial Village Motel

All resolved

Groundwater 25 people served

1 violation (5yr) · All resolved

Kang Kang

Groundwater 25 people served

0 violations

Covered Bridge Park

All resolved

Groundwater 25 people served

4 violations (5yr) · All resolved

Upper Porter Mt. Water Assn

Groundwater 25 people served

0 violations

Haddie Maes

All resolved

Groundwater 25 people served

3 violations (5yr) · All resolved

Philly Soft Pretzel Factory

Groundwater 25 people served

0 violations

Heartland Meadows

Groundwater 24 people served

0 violations

Haring Bros.

Groundwater 10 people served

0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

29 violations

All resolved

Groundwater RuleHealth-Based

4 violations

Has active

Total Polychlorinated Biphenyls (PCB)Monitoring

9 violations

All resolved

ToxapheneMonitoring

8 violations

All resolved

2,4,5-TPMonitoring

7 violations

All resolved

2,3,7,8-TCDDMonitoring

6 violations

All resolved

DalaponMonitoring

6 violations

All resolved

2,4-DMonitoring

6 violations

All resolved

DinosebMonitoring

6 violations

All resolved

PicloramMonitoring

6 violations

All resolved

PentachlorophenolMonitoring

6 violations

All resolved

TTHMMonitoring

5 violations

All resolved

BHC-GAMMAMonitoring

5 violations

All resolved

Heptachlor epoxideMonitoring

5 violations

All resolved

HeptachlorMonitoring

5 violations

All resolved

LASSOMonitoring

5 violations

All resolved

HEXACHLOROBENZENEMonitoring

5 violations

All resolved

1,2-DIBROMO-3-CHLOROPROPANEMonitoring

5 violations

All resolved

HexachlorocyclopentadieneMonitoring

5 violations

All resolved

MethoxychlorMonitoring

5 violations

All resolved

ETHYLENE DIBROMIDEMonitoring

5 violations

All resolved

ChlordaneMonitoring

5 violations

All resolved

EndrinMonitoring

5 violations

All resolved

Di(2-ethylhexyl) phthalateMonitoring

4 violations

All resolved

ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

4 violations

All resolved

DiquatMonitoring

4 violations

All resolved

GlyphosateMonitoring

4 violations

All resolved

CarbofuranMonitoring

4 violations

All resolved

OXAMYLMonitoring

4 violations

All resolved

EndothallMonitoring

4 violations

All resolved

Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

3 violations

All resolved

Total Haloacetic Acids (HAA5)Monitoring

3 violations

All resolved

Public NoticeMonitoring

3 violations

All resolved

Di(2-ethylhexyl) adipateMonitoring

3 violations

All resolved

AtrazineMonitoring

3 violations

All resolved

SimazineMonitoring

3 violations

All resolved

Benzo(a)pyreneMonitoring

3 violations

All resolved

NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

2 violations

All resolved

NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

2 violations

All resolved

Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations

All resolved

Combined UraniumMonitoring

1 violation

All resolved

Surface Water Treatment RuleMonitoring

1 violation

All resolved

E. COLIMonitoring

1 violation

All resolved

1,2,4-TrichlorobenzeneMonitoring

1 violation

All resolved

BenzeneMonitoring

1 violation

All resolved

TolueneMonitoring

1 violation

All resolved

Carbon tetrachlorideMonitoring

1 violation

All resolved

o-DichlorobenzeneMonitoring

1 violation

All resolved

1,2-DichloropropaneMonitoring

1 violation

All resolved

Xylenes, TotalMonitoring

1 violation

All resolved

1,1-DichloroethyleneMonitoring

1 violation

All resolved

TetrachloroethyleneMonitoring

1 violation

All resolved

trans-1,2-DichloroethyleneMonitoring

1 violation

All resolved

p-DichlorobenzeneMonitoring

1 violation

All resolved

1,2-DichloroethaneMonitoring

1 violation

All resolved

StyreneMonitoring

1 violation

All resolved

cis-1,2-DichloroethyleneMonitoring

1 violation

All resolved

CHLOROBENZENEMonitoring

1 violation

All resolved

1,1,2-TrichloroethaneMonitoring

1 violation

All resolved

DICHLOROMETHANEMonitoring

1 violation

All resolved

TrichloroethyleneMonitoring

1 violation

All resolved

EthylbenzeneMonitoring

1 violation

All resolved

1,1,1-TrichloroethaneMonitoring

1 violation

All resolved

ArsenicMonitoring

A naturally occurring element that can cause cancer and other health effects at high levels.

1 violation

All resolved

Lead & Copper Levels

Lead (Pb)

Within limit

0 ppb measured Action level: 15 ppb

Sampled: Jun 2025

Copper (Cu)

Exceeds limit

2283 ppb measured Action level: 1300 ppb

Sampled: Jun 2025

How Does This Compare?

Bryn Mawr (18901) has more violations than 100% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 420.

Fewer violations 100th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.