Area / Capacity Blackwater Dam Drainage Area = 128 sq. mi.
Stage (ft)	Area (acres)	Capacity (ac-ft)	Capacity (in)	Full (Percent)
515	0	0	0.00	0.0
516	0	10	0.00	0.0
517	0	20	0.00	0.0
518	0	35	0.01	0.1
519	0	55	0.01	0.1
520	1	80	0.01	0.2
521	2	110	0.02	0.2
522	3	150	0.02	0.3
523	4	200	0.03	0.4
524	5	260	0.04	0.6
525	8	335	0.05	0.7
526	10	425	0.06	0.9
527	13	530	0.08	1.0
528	16	645	0.09	1.0
529	20	770	0.11	2.0
530	26	900	0.13	2.0
531	34	1,040	0.15	2.0
532	46	1,200	0.18	3.0
533	63	1,390	0.20	3.0
534	95	1,600	0.23	3.0
535	135	1,840	0.27	4.0
536	187	2,100	0.31	5.0
537	243	2,380	0.35	5.0
538	300	2,680	0.39	6.0
539	360	3,000	0.44	7.0
540	420	3,340	0.49	7.0
541	490	3,720	0.54	8.0
542	565	4,180	0.61	9.0
543	645	4,720	0.69	10.0
544	725	5,340	0.78	12.0
545	815	6,020	0.88	13.0
546	905	6,770	0.99	15.0
547	1000	7,640	1.12	17.0
548	1095	8,640	1.27	19.0
549	1200	9,800	1.44	21.0
550	1310	11,150	1.63	24.0
551	1420	12,600	1.85	27.0
552	1530	14,000	2.05	30.0
553	1650	15,550	2.28	34.0
554	1770	17,300	2.53	38.0
555	1890	19,200	2.81	42.0
556	2020	21,200	3.11	46.0
557	2160	23,200	3.40	50.0
558	2300	25,400	3.72	55.0
559	2440	27,800	4.07	60.0
560	2580	30,300	4.44	66.0
561	2720	33,000	4.83	72.0
562	2860	35,500	5.20	77.0
563	3000	38,200	5.60	83.0
564	3100	40,600	5.95	88.0
565	3200	43,200	6.33	94.0
566	3280	46,000	6.74	100.0
567	3360	49,000	7.18	107.0
568	3430	52,100	7.63	113.0
Invert Elevation = 515 ft. NGVD
Spillway Crest = 566 ft			Top of Dam = 584 ft