Lake water level report
Martha - 86000900
Wright County
Water Level Data
Period of record: 01/01/1907 to 04/26/2002
# of readings: 48
Highest recorded: 969.37 ft (06/06/1995)
Lowest recorded: 966 ft (06/12/1961)
Recorded range: 3.37 ft
Last reading: 967.78 ft (04/26/2002)
Ordinary High Water Level (OHW) elevation: 968.8 ft
Datum: NGVD 29 (ft)
Download lake level data as: [dBase] [ASCII] (If you have trouble try right clicking on the appropriate link and choosing the "Save ... As" option.)
Last 10 years of data, click to enlarge.
Benchmarks
| Elevation: 970.79 ft | Datum: NGVD 29 (ft) |
| Date Set: 05/21/1993 | Location: T119R24S5 |
| Description: Top upstream end of new outlet culvert at northwest corner of lake. | |
| Elevation: 970.31 ft | Datum: NGVD 29 (ft) |
| Date Set: 09/24/1976 | Location: T119R24S5 |
| Description: 20d Spike near west base of a RR tie Fencepost, located 80' NE of outlet culvert at NW side of lake. | |
| Elevation: 980.11 ft | Datum: NGVD 29 (ft) |
| Date Set: 06/21/1984 | Location: T119R24S5 |
| Description: At public access on south end of Martha Lake, top of north end of 30" CMP thru E-W Twp. Road, 35' East of its Point of intersection with the public access road. | |
| Elevation: 970.13 ft | Datum: NGVD 29 (ft) |
| Date Set: 09/24/1976 | Location: T119R24S5 |
| Description: 60d spike in south side power pole, 30' N of road between Charlotte and Martha Lakes, and 40' S of 12" tile line (Martha Lake outlet). | |