Massachusetts / Events /
Blended (partially treated) discharge: BILLERICA WASTEWATER TREATMENT FACILITY, Jan 15, 2024
Ongoing (as reported) · BILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal)
Source: BILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record b4aad6ff-96a7-4de4-8cdf-2671a6b02df0, published Jan 19, 2024, 10:15 AM EST, retrieved 2026-11-02 10:58 UTC · notice
Colours no water as of Nov 2, 2026, 6:56 AM EST: the windows on the methods page have passed, or the record has no time to count from.
A report is not a test of the water. See how statuses are worked out.
1. The reported outfall
Outfall reported by BILLERICA WASTEWATER TREATMENT FACILITY (MA0101711 outfall 001). Location: 42.59810, -71.29091, given in the source record.
2. Waters named in the notice
The notice names: “CONCORD RIVER”. We place it on Concord River, MA. Matched by the name of the water in the source record.
3. Modeled downstream reach
No modeled reach for this record in this build.
Source: water outlines from OpenBoatLaunch and OpenStreetMap contributors (ODbL); outfalls from EPA ECHO and the state outfall layers; modeled reaches computed by DirtyWaterWatch from USGS NLDI, NHDPlus and the nearest USGS gauge (Jobson 1996); basemap OpenFreeMap and OpenMapTiles.
When: three different times
The time of the event, the time the source reported, published or updated it, and the time we fetched it are kept apart. Times are shown in New England time; the record keeps the original offsets.
- Started
- Ended
- ongoing, as last reported
- Precision
- Known to the minute
- Reported to the source
- not given
- Published
- Source last updated
- not given
- We fetched it
What and how much
- Type
- Blended (partially treated) discharge
- Status in the record
- Ongoing (as reported)
- Material
- “Partially Treated – Blended”
- Volume
- not reported (not stated whether estimated or measured)
- Volume in the source's words
- none
Advice
“Avoid contact with these water bodies for 48 hours after the discharge or overflow ceases due to increased health risks from bacteria and other pollutants. See website for more information on whether specific resource areas, such as bathing beaches, are affected.”
- Advice window
- 48 hours
- Basis
- 314 CMR 16.04(10)(g)
Source and revisions
- Source
- MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/)
- Record id at the source
- b4aad6ff-96a7-4de4-8cdf-2671a6b02df0
- Original notice
- https://eeaonline.eea.state.ma.us/portal/dep/cso-data-portal/detail…
- Revision of
- none (first record)
- Revised by
- no later revision
Every field of the record
event_id | ma-massdep:b4aad6ff-96a7-4de4-8cdf-2671a6b02df0 |
|---|---|
source_id | ma-massdep |
source_record_id | b4aad6ff-96a7-4de4-8cdf-2671a6b02df0 |
parent_event_id | null |
event_type | blended |
status | ongoing |
discharger_id | ma-billerica-wwtf |
discharger_name | BILLERICA WASTEWATER TREATMENT FACILITY |
npdes_permit | MA0101711 |
outfall_id | 001 |
outfall_name | null |
waterbody_text | CONCORD RIVER |
water_slugs | ["concord-river-ma"] |
water_match | name |
lat | 42.598103 |
lon | -71.29091 |
coord_source | source |
coord_precision_m | null |
started_at | 2024-01-15T07:00:00-05:00 |
ended_at | null |
time_precision | minute |
reported_at | null |
published_at | 2024-01-19T10:15:42-05:00 |
source_updated_at | null |
fetched_at | 2026-11-02T10:58:11Z |
material | Partially Treated – Blended |
volume_gal | null |
volume_text | null |
estimate_flag | unknown |
authority | BILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal) |
advice_text | Avoid contact with these water bodies for 48 hours after the discharge or overflow ceases due to increased health risks from bacteria and other pollutants. See website for more information on whether specific resource areas, such as bathing beaches, are affected. |
advice_window_hours | 48 |
advice_window_basis | 314 CMR 16.04(10)(g) |
source_url | https://eeaonline.eea.state.ma.us/portal/dep/cso-data-portal/details/b4aad6ff-96a7-4de4-8cdf-2671a6b02df0 |
parse_error | null |
fixture | false |
file | events/ma-massdep~3Ab4aad6ff-96a7-4de4-8cdf-2671a6b02df0.json |
duplicate_of | null |
placement_note | null |
unplaced_reason | null |
set_aside | null |
superseded | null |
reach | null |
reach_band | null |
The source's record (raw)
{
"incidentId": "b4aad6ff-96a7-4de4-8cdf-2671a6b02df0",
"incidentNumber": "24007844",
"incidentDate": "2024-01-15T09:59:41",
"incidentTime": "07:00",
"amPm": null,
"reporterClass": "Public Notification Report",
"eventType": "Partially Treated – Blended",
"permiteeClass": "Non-CSO",
"permiteeName": "BILLERICA WASTEWATER TREATMENT FACILITY",
"permiteeId": "MA0101711",
"outfallId": "001",
"municipality": "BILLERICA",
"reportingType": "Initial-Ongoing",
"location": "Other",
"latitude": "42.59810299",
"longitude": "-71.29091025",
"waterBody": "CONCORD RIVER",
"waterBodyDescription": null,
"volumnOfEvent": "",
"rainfallData": "",
"hours": "",
"minutes": "",
"month": null,
"year": null,
"additionalInformation": null,
"submittedDate": "2024-01-19T10:15:42.19",
"parentIncidentId": null,
"_report_class": "Public Notification Report",
"_tz_assumed": "America/New_York (portal gives local clock time without zone)",
"_water": {
"via": "crosswalk on portal waterbody",
"text": "CONCORD RIVER",
"confidence": "high"
},
"_advice_source": "required wording of 314 CMR 16.04(10)(g); the permittee's own advisory is only in an attachment the portal will not serve"
} Source: BILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record b4aad6ff-96a7-4de4-8cdf-2671a6b02df0, published Jan 19, 2024, 10:15 AM EST, retrieved 2026-11-02 10:58 UTC · notice
Personal fields (names, emails, phone numbers of staff) are removed from raw records before they are stored.