Annual report summary

GD, GTG programs reported

Operating in IL
2024
Total regulated miles
34k
across reported programs
Service connections
2M
latest reported total
LNG facilities (if any)
—
facilities reported
Program Miles Services State Year
Gas Distribution 34k 2M IL 2024
Gas Transmission & Gathering 28 — IL 2024

Miles by installation service by decade.

Gas Distribution
7k mi peak 34k total
Pre-1940
158
1940–1949
292
1950–1959
4k
1960–1969
7k
1970–1979
5k
1980–1989
4k
1990–1999
4k
2000–2009
6k
2010–2019
2k
2020–2029
1k
Unknown
0
Gas Transmission & Gathering
612 mi peak 1k total
Pre-1940
0
1940–1949
16
1950–1959
90
1960–1969
612
1970–1979
100
1980–1989
40
1990–1999
64
2000–2009
21
2010–2019
111
2020–2029
101
Unknown
2
Reference
Operator name NORTHERN ILLINOIS GAS CO
Primary ID 13710
Programs GD, GTG
Contact details
Preparer name P****a L. R**d
Preparer title Manager, Compliance & QA
Preparer phone (630) 388-3766
Preparer email p***d@s********o.c*m
Preparer fax (000) 000-0000
Preparer address —
Report submission type INITIAL
Report date 2025-03-14T00:00:00
Filing date 2025-03-14T00:00:00
Additional information Part B1: Number of Services in "Other" by Material:P/AC534,283X-Trube30,118Unknown42,763Total Other607,164 Part B3: Number of Services in "Other" by SizeMaterialUnknown1" or lessOver 1" through 2" Over 2" through 4"Over 4" through 8"Over 8"TotalsP/AC30522,35711,896000534,283X-Trube030,0982000030,118Unknown39,7292,90886733042,763Total Other39,759555,36312,0027330607,164 Note: P/AC means Plastic/Aluminum Composite
Form revision 7100.1-1 (Rev. 06-2023)
Company official name —
Company official title —
Company official phone —
Company official email —
Company official fax —
Emergency contact name —
Emergency contact phone —
Emergency contact email —
Section 6 — Flattened data preview
Key Value
annuals.gd.miles 33820.91
annuals.gd.report_year 2024
annuals.gd.services 2067133.0
annuals.gd.source_count 1
annuals.gd.state IL
annuals.gd.year 2024
annuals.gtg.miles 28.35
annuals.gtg.report_year 2024
annuals.gtg.source_count 1
annuals.gtg.state IL
annuals.gtg.year 2024
annuals.raw.gd.COMMODITY Natural Gas
annuals.raw.gd.DATAFILE_AS_OF 12/1/2025
annuals.raw.gd.OFFICE_ADDRESS_STATE IL
annuals.raw.gd.OPERATOR_ID 13710.0
annuals.raw.gd.OPERATOR_NAME NORTHERN ILLINOIS GAS CO
annuals.raw.gd.OPERATOR_TYPE Investor Owned
annuals.raw.gd.REPORT_NUMBER 20251246.0
annuals.raw.gd.REPORT_YEAR 2024.0
annuals.raw.gd.SUPPLEMENTAL_NUMBER 72934.0
annuals.raw.gd.created_at 2025-12-05 14:43:53.784445
annuals.raw.gd.report_data.ADDITIONAL_INFORMATION Part B1: Number of Services in "Other" by Material:P/AC534,283X-Trube30,118Unknown42,763Total Other607,164 Part B3: Number of Services in "Other" by SizeMaterialUnknown1" or lessOver 1" through 2" Over 2" through 4"Over 4" through 8"Over 8"TotalsP/AC30522,35711,896000534,283X-Trube030,0982000030,118Unknown39,7292,90886733042,763Total Other39,759555,36312,0027330607,164 Note: P/AC means Plastic/Aluminum Composite
annuals.raw.gd.report_data.AVERAGE_LENGTH 78.25
annuals.raw.gd.report_data.FED_LAND_LEAKS_REPAIRED 0.0
annuals.raw.gd.report_data.FILING_DATE 2025-03-14T00:00:00

1596 additional key/value pairs available.

ClearPHMSA
PHMSA pipeline safety insights.
Product
Features
Services
Company

All rights reserved. Copyright © by ClearPHMSA