Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	PA1150035
PWS Name	AQUA PA UWCHLAN
PWS Type	Community water system
Owner Type	Private
Primary Source	Surface water purchased
Primacy Type	State
Is Wholesaler?	No
Population Served	35518
County Served	Chester

The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

Violations

Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
MR	Monitoring of Treatment (SWTR-Unfilt/GWR)	Ground Water Rule	Groundwater Rule	2111059	Returned to Compliance	01-SEP-2020	30-SEP-2020	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	1733669	Returned to Compliance	01-SEP-2017	30-SEP-2017	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	1733668	Returned to Compliance	01-SEP-2017	30-SEP-2017	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1733667	Returned to Compliance	01-JUL-2017	30-SEP-2017	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	01V0001	Returned to Compliance	01-JUL-2001	13-AUG-2001	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	0201669	Returned to Compliance	01-JAN-2001	31-DEC-2001	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	0201670	Returned to Compliance	01-JAN-2001	31-DEC-2001	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	0201671	Returned to Compliance	01-JAN-2001	31-DEC-2001	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	0201668	Returned to Compliance	01-JAN-2001	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	0102645	Returned to Compliance	01-JAN-2000	31-DEC-2000	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	0102646	Returned to Compliance	01-JAN-2000	31-DEC-2000	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	0102649	Returned to Compliance	01-JAN-2000	31-DEC-2000	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	0102648	Returned to Compliance	01-JAN-2000	31-DEC-2000	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	0102644	Returned to Compliance	01-JAN-2000	31-DEC-2000	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	0102647	Returned to Compliance	01-JAN-2000	31-DEC-2000	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	9650906	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	9650898	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	9650910	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	9650889	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	9650894	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	9650904	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	9650884	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	9650899	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	9650911	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	9650890	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	9650900	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	9650885	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	9650895	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	9650905	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	9650886	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	9650907	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	9650891	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	9650896	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	9650881	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	9650901	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	9650908	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	9650897	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	9650882	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	9650887	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	9650902	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	9650892	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	9650883	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	9650903	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	9650893	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	9650888	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	9650909	Returned to Compliance	01-JUL-1996	30-SEP-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	9641775	Returned to Compliance	01-APR-1996	30-JUN-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	9641774	Returned to Compliance	01-APR-1996	30-JUN-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	9641755	Returned to Compliance	01-APR-1996	30-JUN-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	9641771	Returned to Compliance	01-APR-1996	30-JUN-1996	No

1 - 50 of 85

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
211105967001	2111059	SOX	State Compliance achieved	03-FEB-2021	State	-
183366745001	1733669	SOX	State Compliance achieved	13-JUN-2018	State	-
183366745001	1733668	SOX	State Compliance achieved	13-JUN-2018	State	-
183366745001	1733667	SOX	State Compliance achieved	13-JUN-2018	State	-
02E0002	0201668	SOX	State Compliance achieved	06-MAR-2002	State	-
02E0002	0201671	SOX	State Compliance achieved	06-MAR-2002	State	-
02E0002	0201670	SOX	State Compliance achieved	06-MAR-2002	State	-
02E0002	0201669	SOX	State Compliance achieved	06-MAR-2002	State	-
0100085	01V0001	EOX	Federal Compliance achieved	13-AUG-2001	ODSWeb	-
01E0002	0102645	SOX	State Compliance achieved	06-MAR-2001	State	-
01E0002	0102644	SOX	State Compliance achieved	06-MAR-2001	State	-
01E0002	0102646	SOX	State Compliance achieved	06-MAR-2001	State	-
01E0002	0102649	SOX	State Compliance achieved	06-MAR-2001	State	-
01E0002	0102648	SOX	State Compliance achieved	06-MAR-2001	State	-
01E0002	0102647	SOX	State Compliance achieved	06-MAR-2001	State	-
96E0003	9641751	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641752	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641753	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641754	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641755	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641761	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641762	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641763	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641764	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641765	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641766	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641767	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641768	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641769	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641770	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641771	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641772	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641773	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641774	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641775	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641777	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641778	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641779	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641780	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9641781	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650881	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650882	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650883	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650884	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650885	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650886	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650887	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650888	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650889	SOX	State Compliance achieved	01-JAN-1997	State	-
96E0003	9650890	SOX	State Compliance achieved	01-JAN-1997	State	-

1 - 50 of 85

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
AQUA MAIN INTER	012	Yes	Consecutive Connection	Surface water	Other	Inactive
BELL TAVERN 11	013	Yes	Well	Ground water	Permanent	Active
SAYBROOKE WELL 9	010	Yes	Well	Ground water	Permanent	Active
SAYBROOKE WELL 10	009	Yes	Well	Ground water	Permanent	Active
STONEHEDGE WELL 8	008	Yes	Well	Ground water	Permanent	Active
MILFORD WELL 7	007	Yes	Well	Ground water	Permanent	Active
ROBERT DEAN WELL #6	006	Yes	Well	Ground water	Permanent	Active
SHOEN ROAD WELL 3	003	Yes	Well	Ground water	Permanent	Active
BELL TAVERN 1	001	Yes	Well	Ground water	Permanent	Active
SHOEN ROAD WELL 4	004	Yes	Well	Ground water	Other	Inactive
BELL TAVERN 2	002	Yes	Well	Ground water	Other	Inactive
ROBERT DEAN WELL #5	005	Yes	Well	Ground water	Interim	Active
AQUA PA MAIN	011	Yes	Consecutive Connection	Surface water	Permanent	Active
BELL TAVERN	100	No	Sampling Station	-	-	Active
SHOEN ROAD	101	No	Sampling Station	-	-	Active
ROBERT DEAN	102	No	Sampling Station	-	-	Active
MILFORD	103	No	Sampling Station	-	-	Active
STONEHEDGE	104	No	Sampling Station	-	-	Active
SAYBROOK	105	No	Sampling Station	-	-	Active
AQ MAIN UWCHLAN BSTR	106	No	Sampling Station	-	-	Active
BELL TAVERN	300	No	Treatment Plant	-	-	Active
SHOEN ROAD	301	No	Treatment Plant	-	-	Active
ROBERT DEAN	302	No	Treatment Plant	-	-	Active
MILFORD	303	No	Treatment Plant	-	-	Active
STONEHEDGE	304	No	Treatment Plant	-	-	Active
SAYBROOKE	305	No	Treatment Plant	-	-	Active
BLACKHORSE BOOSTER	306	No	Treatment Plant	-	-	Active
EAGLEPOINTE BOOSTER	307	No	Treatment Plant	-	-	Active

1 - 28 of 28

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
BELL TAVERN	300	Hypochlorination, Pre	Disinfection
BELL TAVERN	300	Chloramines	Disinfection
BELL TAVERN	300	4-Log Treatment of Viruses	Disinfection
SHOEN ROAD	301	Hypochlorination, Pre	Disinfection
SHOEN ROAD	301	Chloramines	Disinfection
SHOEN ROAD	301	4-Log Treatment of Viruses	Disinfection
ROBERT DEAN	302	Hypochlorination, Pre	Disinfection
ROBERT DEAN	302	Chloramines	Disinfection
ROBERT DEAN	302	Ion Exchange	Organics removal
ROBERT DEAN	302	4-Log Treatment of Viruses	Disinfection
MILFORD	303	Hypochlorination, Pre	Disinfection
MILFORD	303	Filtration, Greensand	Manganese removal
MILFORD	303	Chloramines	Disinfection
MILFORD	303	4-Log Treatment of Viruses	Disinfection
STONEHEDGE	304	Hypochlorination, Post	Disinfection
STONEHEDGE	304	pH Adjustment	Corrosion control
STONEHEDGE	304	Chloramines	Disinfection
STONEHEDGE	304	Ion Exchange	Organics removal
STONEHEDGE	304	4-Log Treatment of Viruses	Disinfection
SAYBROOKE	305	Hypochlorination, Pre	Disinfection
SAYBROOKE	305	Inhibitor, Polyphosphate	Corrosion control
SAYBROOKE	305	pH Adjustment	Corrosion control
SAYBROOKE	305	Chloramines	Disinfection
SAYBROOKE	305	Ion Exchange	Organics removal
SAYBROOKE	305	4-Log Treatment of Viruses	Disinfection
BLACKHORSE BOOSTER	306	Hypochlorination, Post	Disinfection
EAGLEPOINTE BOOSTER	307	Hypochlorination, Post	Disinfection

1 - 27 of 27

For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.

Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Nav Menu

Your Drinking Water Query results from SDWIS Fed Reporting Services

Note

PWS Violation

Violations

Column Actions

Enforcement Actions

Enforcement Actions

Column Actions

PWS Facilities

All Facilities

Column Actions

PWS Treatment Processes

Treatment Processes

Column Actions